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STOW-SFG10E-rev-1-manual

1. 55 25 inches 1 403 mm TYPICAL OPERATOR HANDLE HEIGHT 38 inches 965 mm VACUUM CLEANER CONNECTION DIAMETER 3 inches 76 mm BASIC WEIGHT 235 Ibs 107 kg SFG10E ELECTRIC MOTOR 1 5 hp 1725 RPM 13 7 amperes 115 60 Hz The electric motor requires a clean no other electric products on the same circuit 20 ampere capacity circuit to properly function on 115 VAC 60 HZ SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 38 NOTE PAGE SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 39 EXPLANATION CODE REMARKS COLUMN The following section explains the different symbols and remarks used in the Parts section of this manual Use the help numbers found on the back page of the manual if there are any questions The contents and part numbers listed in the parts section are subject to change without notice Multiquip does not guarantee the availibility of the parts listed Sample Parts List NO PART NO PART NAME QTY REMARKS 1 12345 BOLT INCLUDES ITEMS VV X 2 WASHER 1 4 IN NOT SOLD SEPARATELY 2 12347 WASHER 3 8 IN 1 MQ 45T ONLY 12348 AR MAKE LOCALLY 4 12349 BEARING Jem S N 2345B AND ABOVE NO Column Unique Sy
2. Specification and part number are subject Troubleshooting e to change without notice vr E M Explanation Of Code In Remarks Column 40 Suggested Spare 41 Operator Handle Assembly 42 43 Electric Motor Assembly 44 45 Wheel Dolly Assembly 46 47 Frame Assembl y 48 49 Safety and Dust Shield Assembly 50 51 Scarifier Assembly 52 53 ocrape R Tach Assembly 54 55 Grinding Block Assembly 56 57 ERR 58 59 Terms and Conditions of Sale 60 SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 3 PARTS ORDERING PROCEDURES When ordering parts please supply the following information Dealer account number Dealer name and address Shipping address if different than billing address Return fax number Applicable model number Quantity part number and description of each part Specify preferred method of shipment LI L1IL1L1 LI I L FedEx UPS Ground Nole Unl
3. Excessive extension cord length Even with proper extension cord size and capacity excessive cord length can reduce the available voltage and amperage to the motor Measure the available voltage to the motor where the extension cord connects to the SURFACE GRINDER with a voltmeter Reduce the extension cored length as required to achieve the minimum voltage operating specification as required by the motor manufacturer Insufficient available voltage and amperage at the power source Measure the available voltage at the power source usually a receptacle with a voltmeter If the available voltage is below the minimum operating specification as required by the motor manufacturer utilize an alternative power source Improper motor cooling See ELECTRIC MOTOR SERVICE Excessive load to the motor See OPERATING THE SURFACE GRINDER ON THE JOBSITE OPERATIONAL PROBLEMS UNEVEN MULTI ACCESSORY ATTACHMENT WEAR Incorrect installation of the attachment in the aluminum disc See INSTALLING A MULTI ACCESSORY ATTACHMENT ON THE ROTATING DISC Worn or damaged gimbal head Lord rubber mounts Heplace mounts Accumulation of foreign material on the multi accessory attachment Clean and or replace the attachment components as necessary Flails and spacer washers are mounted too tight on the scarifier frame Remove and or replace flails and spacer washers See MULTI ACCESSORY ATTACHMENTS AND APPLICATIONS EXCESSIVE JUMPING ON THEWORK SURFACE
4. Do not install an elastomeric mount without the use of an approved lubricant Installation without an approved lubricant can produce tears in the mount resulting in substandard operational performance and service life 9 Support the elastomeric mount socket and mounting plate as depicted in FIGURE 50 The mounting plate must be suspended from the arbor press to allow the mount to clear when the pressing process is completed A short section of 1 1 2 inch inside diameter steel tubing can be utilized for this purpose Using the arbor press apply a steady force in a straight line direction to the mount until it fully penetrates the cavity in the mounting disc Do not attempt to push the elastomeric mount through the mounting disc with excessive force Damage to the elastomeric mount will result 10 Reassemble the mounting disc to the transmission shaft 11 Reassemble the mounting plate to the mounting disc 12 Reassemble the aluminum multi accessory disc to the mounting plate 13 Check to determine that the replacement elastomeric mounts allow for proper position of the aluminum multi accessory disc II the elastomeric mounts are not properly positioned they will require removal and reinstallation The removal process can produce tears and abrasions in the mount that will require new replacements FIGURE 50 LUBRICATION REQUIREMENTS Parts Required 1 each standard grease gun filled with one of the following ESSO Be
5. 4 29019 017 WEDGE PLASTIC 1 8 550242100020 DIAMOND PURPLE 40 50 GRIT e AGGRESS GRINDING 5 SSG242101020 PIN DIAMOND YELLOW 40 50 GRIT _ GENERAL PURPOSE 5 550242102020 DIAMOND BLACK 40 50 GRIT EPOXY MORTAR 8 ASPHALT 5 550242103020 DIAMOND GREEN 40 50 GRIT CONCRETE AND ASPHALT 5 550242104020 DIAMOND RED 40 50 GRIT GRINDING AND POLISHING SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 57 DECALS DECALS N G GREASE DRIVESHAFT BEARINGS EVERY 2 HOURS OF OPERATION OR AS REQUIRED TO MINIMIZE RISK OF GREASE CONTAMINATION EAR AND EYE CONTAMINATED GREASE WILL PROTECTION REDUCE BEARING SERVICE LIFE CONSULT OPERATOR MANUAL FOR REQUIRED DETAILED LUBRICATION PROCEDURES SP8 5061 KEEP Y 4 HOISTING THIS MACHINE G UARDS e CONSULT WITH THE APPLICABLE OPERATOR MANUAL IMPROPER HOISTING PLACE PROCEDURES CAN RESULT IN PROPERTY SP8 5050 DAMAGE AND OR PERSONAL INJURY CS8 5050 START MOTOR ROTATE HANDLE TOWARD OPERATOR OEF STOP MOTOR ROTATE HANDLE AWAY FROM OPERATOR OR RELEASE ON OFF CONTROL IS SPRING LOADED TO OFF POSITION DO NOT OPERATE ON MACHINE IF CONTROL DOES NOT STOP MOTOR WHEN HANDLE IS RELEASED 1 5 8 5020 A WARNING e PARTS SP8 5030 A WARNING 1 BEFORE OPERATING THIS MACHINE THOROUG
6. All items on the parts list with the same unique symbol will be included when this item is purchased Indicated by INCLUDES ITEMS W unique symbol Serial Number Break Used to list an effective serial number range where a particular part is used Indicated by SIN XXXXX AND BELOW SIN XXXX AND ABOVE SIN XXXX TO S N XXX Specific Model Number Use Indicates that the part is used only with the specific model number or model number variant listed It can also be used to show a part is NOT used on a specific model or model number variant Indicated by ONLY NOT USED ON XXXX Make Obtain Locally Indicates that the part can be purchased at any hardware shop or made out of available items Examples include battery cables shims and certain washers and nuts Not Sold Separately Indicates that an item cannot be purchased as a separate item and is either part of an assembly kit that can be purchased or is not available for sale through Multiquip SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 40 SUGGESTED SPARE PARTS SFG10E SURFACE GRINDER 1 TO 3 UNITS Qty P N Description SF3100081 CABLE THROTTLE 1 SFSG120330 SWITCH 115V _ V BELT TRANSMISSION SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 41 OPERATOR HAND
7. OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 27 Failure to properly clean interior surfaces of the SURFACE GRINDER can result in dried material build up and accumulation directly affecting bearing service life EXERCISE EXTREME CAUTION WHEN UTILIZING ANY SOLVENT TO REMOVE ACCUMULATED MATE RIALS FROMTHE SURFACES OF THE MACHINE AND RELATED COMPONENTS MANY SOLVENTS ARE FLAMMABLE DO NOT SMOKE OR INTRODUCE FLAME INTHEWORK AREA PROVIDE ADEQUATE VENTILATION AND WEAR PROPER SAFETY AP PAREL PROPERLY DISPOSE OF ALL ACCUMULATED MA TERIALS PER OSHA AND ENVIRONMENTAL PROTECTION AGENCY CODES AND REGULATIONS MANY ACCUMULATED MATERIALS CAN BE CLAS SIFIED AS HAZARDOUS AND REQUIRE PROPER DISPOSAL PROCEDURES CONTACT THE APPLI CABLE GOVERNMENT AND OR PRIVATE AGENCIES FOR SPECIFIC INFORMATION 8 Onjob applications where the work process creates a considerable amount of loose material it can become almost impossible to determine proper material removal depths and the extent of work already accomplished The problem can be compounded if a vacuum system is not utilized Loose material should be removed by sweeping or other appropriate processes and the SURFACE GRINDER utilized until conditions again warrant removing the accumulated material STOPPINGTHE SFG10E SURFACE GRINDER 1 Stopping the SURFACE GRINDER is accomplished by moving the ON OFF switch located on the operator handle to the OFF position For safety con
8. The seals utilized with the motor are intended to deliver a longer service life in a concrete dust environment When replacing the seals utilize only components meeting the original factory specifications SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 35 TROUBLESHOOTING Troubleshooting ELECTRIC MOTOR MOTOR FAILS START ON OFF switch in the OFF position Turn the switch to the ON position SURFACE GRINDER and or extension cord is not plugged into the power source Determine that all electrical connections have been properly made The NEMA 6 20 Series cap and receptacle set is of a twist lock configuration and requires a twist motion to ensure a proper connection Improper extension cord size and capacity Operate the SURFACE GRINDER with copper stranded 8 AWG or larger extension cords Improper extension cord size and capacity will result in significant heat rise and corresponding voltage and amperage drop Thermal protection device activated To protect the motor against heat related damage an automatic thermal protection switch is provided near the voltage selection switch High operating temperatures will activate the switch and shut the motor off After the motor has cooled to an acceptable temperature level depress the switch to restart ELECTRIC MOTOR LOSES POWER Improper extension cord size and capacity Replace with cords meeting the required specifications
9. during the first day of operation as there will normally be a rapid decrease in belt tension until it has been run in Check the belt tension every eight hours of operation thereafter and maintain tension within the recommended range The correct operating tension for a V belt drive is the lowest tension at which it will not slip under peak load conditions Tools Required 1 16 inch minimum length straightedge 1 10 lbs minimum capacity tension scale or belt tension tool 1 Disconnect the extension cord or SURFACE GRINDER from the power source 2 Position the SURFACE GRINDER on a suitable work bench with the V belt approximately at waist level 3 Remove the belt guard from the main frame Clean the inside of the belt guard with an appropriate solvent Check for signs of wear and damage CAUTION Observe all applicable safety precautions for the solvent 4 Check the belt tension using the spring scale or belt tension tool midway between the engine clutch pulley and the transmission pulley Belt tension should mea sure approximately 0 22 inch at 3 1 4 to 4 3 8 Ibs measured force range FIGURE 44 If tension is within specifications proceed to Step 5 If tension is not within specifications refer to INSTALLING A REPLACEMENT V BELT for specific information SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 31 MAINTENANCE SERVICE FIGURE 41 5 Bel
10. lowa and New Jersey SPECIAL EXPEDITING SERVICE The higher of a 35 00 surcharge or actual costs will be added to the invoice for special handling including bus shipments or in cases where STOW personnel must personally deliver the equipment or parts to the carrier RETURNED GOODS POLICY Return shipments may be accepted and credit allowed subject to the following provisions 1 A Returned Material Authorization RMA must be approved by STOW prior to shipment Approvals for returned goods must be with just cause and are at the sole discretion of STOW A copy of the Authorization must accompany the shipment to the designated Warehouse Parts being returned must be listed as currently supplied on the current parts list Parts must be in new and resalable condition in the original package with part numbers clearly marked Units and accessories must be current models in the latest price list and in new and resalable condition opecial order items are not returnable for credit Credit on returned parts and units will be issued at actual dealer net price at time of purchase less 15 restocking charge All returned shipments are to be made to the STOW designated receiving point freight prepaid at the sender s expense gt O gt sender will be notified of any material received that does not meet the above provisions Such material will be held for 30 days from no
11. ASSISTANCE APPROPRIEE AVANT D UTILISER LE PRODUIT DANGER You WILL be KILLED SERIOUSLY injured if you DO NOT follow directions CAUTION You CAN INJURED if you DO NOT follow directions These safety alert symbols identify important safety messages in this manual When you see these symbols be alert to the possibility of personal injury and carefully read the message that follows Do not allow anyone to operate the SURFACE GRINDER without first reading this Operator Manual and becoming familiar with its operation The manu facturer of the SURFACE GRINDER has gone to great extremes to provide the owner s and or operator s with the finest equipment available for its intended job function of removing covering materials from concrete and wood floor surfaces Yet the possibility exists that the SURFACE GRINDER can be utilized in and or subjected to job applications not perceived and or anticipated by the manufacturer Such misuse and or misapplication of the SURFACE GRINDER can lead to the possibility of serious damage injury or even death It is the responsibility of the owner s and or operator s to determine that the SURFACE GRINDER is being utilized and or operated within the scope of its intended job function It is the responsibil ity of the owner s and or operator s to establish monitor and constantly upgrade all safety programs and or practices utilized in and for the operation of the SURFACE GRINDER
12. Incorrect installation of the attachment in the aluminum rotating disc See INSTALLING A MULTI ACCESSORY ATTACHMENT ON THE ROTATING DISC Worn or damaged gimbal head Lord rubber mounts mounts Loose gimbal head fasteners Retorque fasteners as required ACCELERATED V BELT WEAR Misaligned and or improperly tensioned pulleys Readjust pulleys and V belt See SERVICE section Worn pulleys Replace pulleys as required See INSTALLING A REPLACEMENT V BELT OR PULLEY Improper V belt Replace with a name brand B45 series V belt See INSTALLING A REPLACEMENT V BELT OR PULLEY ACCELERATED BEARING WEAR AND OR FAILURE Misaligned and or improperly tensioned pulleys Readjust pulleys and V belt See SERVICE section Bent transmission input or output shaft Replace affected shaft s Improper lubrication See LUBRICATION REQUIREMENTS UNEVEN GRINDING ACTION Excessive material build up on the caster wheel face surface Remove the material Excessive caster wheel bearing wear Replace the caster wheel Excessive axle wear Replace axle Flails and or spacer washers are mounted too tight on the scarifier frame Remove and or replace flails and spacer washers See MULTI ACCESSORY ATTACHMENTS AND APPLICATIONS Mixing new and worn flails silicon carbide stones etc Hemove and replace with components of the same approximate size and diameter See MULTI ACCESSORY ATTACHMENTS AND APPLICATIONS SFG10E ELECTRIC SURFAC
13. MULTI ACCESSORY ATTACH MENT FROM THE SURFACE GRINDER ALWAYS WEAR APPROPRIATE SAFETY EYEWEAR AND AP PARELTO MINIMIZETHE POTENTIAL FROM FLYING DEBRIS FLYING DEBRIS CAN RESULT IN PROP ERTY DAMAGE AND OR PERSONAL INJURY 1 Disconnectthe extension cord or SURFACE GHINDER from the power source 2 Tilt the SURFACE GRINDER back until the operator handle comes in contact with the surface Appropriate wheel chocks are recommended 3 The multi accessory attachment can be removed by both the use of a drift punch or small pry bar If utilizing the drift punch strike the narrow end of the mounting wedge with controlled direct blows until the attachment is released from the aluminum disc If utilizing the pry bar position the bar between the aluminum disc and the attachment Use controlled direct blows to the bar in order to force the attachment loose from the aluminum disc FIGURE 28 FIGURE 28 Do not utilize excessive force when removing a multi accessory attachment with the pry bar Excessive force can result in damage to the aluminum disc Proper removal techniques by both methods will result in minimal damage to the aluminum disc 4 Return the SURFACE GRINDER to its normal operating position 5 If the machine is to be used immediately reconnect the extension cord or SURFACE GRINDER from the power source Determine that the ON OFF switch located on the operator handle is in the OFF position DANGER UNEXPECT
14. The purpose of such pro grams is to provide for owner s and or operator s safety Operators must be instructed to recognize and avoid unsafe conditions associated with their work 29 CFR 1926 21 b 2 and or applicable updated revisions It is the responsibility of the owner s and or operator s to determine that no modifications and or alterations have been made to the SURFACE GRINDER Modifications and or alterations can lead to the possibility of serious damage injury or even death It is the responsibility of the owner s and or operator s to make this Operator Manual available for consultation during all phases of operation Refer to OSHA 2207 and or applicable updated revisions which contains all OSHA job safety and health rules and regulations 1926 and 1910 covering construction SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 5 OPERATORS The concept of powered SURFACE GRINDER has been successfully utilized for many years as a practical solution to many types of surfacve preparation requirements The basic concept is proven and well accepted within the associated marketplaces Use of a SURFACE GRINDER requires strenuous work activity This type of work activity can be considered to be greater in magnitude than that experienced with the use of many other types of both light construction and lawn and garden related equipment This type of work activit
15. more detailed information SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 9 SAFETY PRECAUTIONS OPERATION 1 Give complete and undivided attention to the job at hand Do not chew gum smoke and or use smokeless tobacco while utilizing the SURFACE GRINDER Do not attempt to eat and or drink while utilizing the SURFACE GRINDER Determine that eyeglasses and or hearing aid devices are properly secured Use of the SURFACE GRINDER is strenuous and causes fatigue Help prevent the cause of an accident Plan to take work breaks as required to help maintain proper mental and physical alertness This SURFACE GRINDER is not sealed or insulated Do not operate the SURFACE GRINDER in an explosive atmosphere or near combustible materials Refer to current OSHA rules and regulations The SURFACE GRINDER is designed for use by one operator Use of the SURFACE GRINDER by more than one operator can lead to confusion and loss of control resulting in property damage and or personal injury If it is felt that more than one person is required to operate the SURFACE GRINDER STOP and contact the Customer Service Department for specific operational and service maintenance information There is no charge for this service Do not operate the SURFACE GRINDER with onlookers close by Caution all onlookers to stand clear The grinding process can result in flying particles being emitted at high velo
16. power outlet to be utilized is properly grounded This can be accomplished with proper testing equipment and procedures If there are any questions regarding the suitability of a specific power outlet contact the Customer Service Department for assistance BEFORE utilizing the SURFACE GRINDER FIGURE 32 There is no charge for this service A qualified electrician can also be consulted If a 115 VAC power outlet is selected it is recommended that a properly tested externally mounted ground fault circuit interrupter be utilized at all times as an additional safety precaution FIGURE 34 To minimize the voltage drop to the motor all extension cords should be copper stranded 8 AWG or larger A NEMA 6 20R twist lock type receptacle is provided with the SFG10E SURFACE GRINDER a standard accessory twist clock feature allows the extension cord to be pulled by the SURFACE GRINDER without becoming detached Wire the NEMA 6 20R receptacle to the appropriate extension cord that will be coupled to the NEMA 6 20P plug provided on the SURFACE GRINDER FIGURE 33 _ FIGURE 34 FIGURE 33 SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 24 ASSEMBLY INSTRUCTIONS OPERATIONS OPERATING THE SURFACE GRINDER ON THE JOBSITE FOR MAXIMUM PROTECTION AGAINST A FAULT ALWAYS CONFIGURETHE GROUND FAULT CIRCUIT INTERRUPTER TO BE PLUGGED INTO THE EXTEN SION CORD A CONFIGU
17. reinstalled to expose a new sharp edge FIGURE 18 When all 4 edges of one side become worn and dull the insert can be turned over to expose an additional 4 edges Many materials such as adhesives rubber deposits and mastics have the tendency to extrude or smear rather than shear from the concrete floor material The occurrence is also aggravated by higher ambient temperatures This problem can be significantly reduced with the addition of various amounts of water or a water saturated fine sand combination placed on the floor The use of the Safety and Dust Shield Assembly with the SURFACE GRINDER is highly recommended to contain the water sand slurry mixture from damaging surrounding walls and other vertical surfaces FIGURE 18 To index the tungsten carbide insert proceed as follows Tools required 1 each 5 32 Allen wrench 1 Clean the SCRAPE R TACH unit with a suitable safety solvent to remove excess material build up Remove as much foreign material from the female hexagon socket area of the capscrew This will allow the wrench to make full contact and maximize the torque transfer to the cap screw CAUTION Follow all safety precautions for safety solvent 2 Remove the cap screw from the unit Clean the newly exposed areas of the insert and SCRAPE R TACH unit with the safety solvent Clean and inspect the threaded holes found in older units for excess wear New style SCRAPE R TACH units feature a th
18. skirt assembly to the 3 inch diameter vacuum attachment fitting located at the rear of the machine Use of the kit along with a suitable vacuum system will not completely remove all airborne and loose materials directly from the work surface THE USE OF THE SFSG121000 SAFETY AND DUST SHIELD ASSEMBLY KIT ALONG WITH A SUITABLE VACUUM SYSTEM TO REMOVE HAZARDOUS CLASSIFIED AIRBORNE MATERIALS FROM THE WORK SURFACE WILL NOT ELIMINATE THE REQUIREMENT FOR PROPER SAFETY RELATED EQUIPMENT OPERATING PLAN AND OR PROCEDURES USE OFTHE SFSG121000 SAFETY AND DUST SHIELD ASSEMBLY KIT ALONG WITH A SUITABLE VACUUM SYSTEM WILL NOT COMPLETELY REMOVE ALL LOOSE MATERIALS FROM THE WORK SURFACE HAZARDOUS CLASSIFIED LOOSE MATERIALS MUST BE REMOVED FROM THEWORK SURFACE BY PRO CESSES AND OR PROCEDURES MEETING THE APPLICABLE OSHA AND OR EPA REQUIREMENTS SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 12 ASSEMBLY INSTRUCTIONS OPERATIONS Operation THEORY OF OPERATION The SFG10E SURFACE GRINDERS operate on the principle of various multi accessory attachments being utilized at rotational speeds to make direct contact with a work surface Various types of multi accessory attachments are secured to a recess provided in the rotating aluminum disc located on the bottom of the machine The specific type of multi accessory attachment utilized during the grinding process directly affects the type of materia
19. 120360 WEIGHT 5550120020 COVER BELT 4 FSG120410 LLCV 5 SF91060600 SCREW THUMB 3 8 16 UNC X 3 4 PLATED 6 7 8 REMARKS 534061600 SCREW MACHINE ROUND HEAD 3 8 16 UNC X 2 PLATED SFSG240140 DISC MULTI ACCESSORY LH SFSG240130 BAR MOUNTING 9 SFSG240120 DISC MOUNTING 10 SFSG120240 SHAFT 11 SFHSF20516G BEARING 12 SF516098 RING SNAP 13 5 56120130 CONNECTOR GREASE 1 4 28 UNF 14 SF18060000 NUT HEXAGON 3 8 16 UNC PLATED 15 5 16060000 WASHER LOCK 3 8 PLATED 16 5 31050600 SCREW SET CUP POINT 5 16 18 UNC X 3 8 INCLUDED WITH ITEM 4 17 SF63041200 KEY SQUARE 1 4 X 1 4 X 1 1 2 18 5 53070000 NUT HEXAGON LOCKING 7 16 14 UNC PLATED 19 SFJ62502 MOUNT RUBBER 20 5 15071600 SCREW CAP 1 16 14 UNC X 2 PLATED 21 SF60061200 SCREW SOCKET 3 8 16 UNC X 1 1 2 PLATED 22 SF27071800 SCREW COUNTERSUNK 7 16 14 UNC X 2 1 4 23 5 5 80590 FITTING GREASE STRAIGHT 24 FSG120120 CONNECTOR GREASE 1 8 PIPE 25 SFSG120140 HOSE GREASE 5 82 CLEAR 13 LENGTH 26 5 6600560 TIE NYLON 6 LONG 6 SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 49 SAFETY AND DUST SHIELD ASSY SAFETY AND DUST SHIELD ASSY ON 3 a Lat 7 A cM 3 n ad 43 1 1 1 SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 1
20. 6 07 PAGE 50 lt SAFETY AND DUST SHIELD ASSY SAFETY AND DUST SHIELD ASSY PARTNO PART NAME QTY REMARKS 1 SFSG120230 SKIRT ASSY 1 2 SFSG120220 BUMPER RUBBER 1 3 550120060 HOSE VACUUM 1 At SF56480000 CLAMP HOSE 2 5 SFSG120040 STRAP SKIRT 2 6 SF53050000 HEXAGON 5 16 18 UNC PLATED 4 7 SF15050700 SCREW CAP 5 16 18 UNC X 7 8 PLATED 4 8 SF61040800 SCREW COUNTERSUNK 1 4 20 UNC X 1 PLATED 7 9 550121000 SAFETY AND DUST SHIELD ASSY KIT pum INCLUDES ITEMS VV SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 51 SCARIFIER ASSY SCARIFIER ASSY GM lt O Q iN it os S mM DA LN 9 59 1 NOTES 12 REQUIRED WITH 29019 010 AND 29019 011 FAILS 8 REQUIRED WITH 29019 012 FAILS OPTIONAL CONFIGURATIONS DEPENDING ON JOB REQUIREMENTS SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 52 SCARIFIER ASSY SCARIFIER ASSY NO PART NO PART NAME QTY REMARKS 1 550241900012 HOUSING 1 2 29018 083 BUSHING 2 3 87052000 BOLT CARRIAGE 3 8 16 UNC 2 1 2 UNC PLATED 2 4 29019 013 WASHER FLAT 5 8 HEAT TREATED SEE NOTE 1 5 29019 010 FAIL STAR HEAT TREATED STEEL SEE NOTE 2 5 29019 011 FAIL BEAM HEAT TREATED S
21. CE GRINDER to remove control dust and other particle contamination from the work surface A hose clamp is sometimes required to properly secure the vacuum hose to the vacuum tube FIGURE 39 ALWAYS UTILIZE A VACUUM SYSTEM DESIGNEDTO OPERATEWITHINTHE SPECIFIC JOB SITE REQUIRE MENT DUST MATERIAL CAN MEET CLASS II OR CLASS SPECIFICATIONS OF THE NATIONAL ELEC TRIC CODE FOR HAZARDOUS LOCATION CLASSIFICATIONS CONSIDERATION MUST ALSO BE GIVEN TO THE CREATION OF HAZARDOUS TYPE MATERIALS REQUIRING SPECIFIC DISPOSAL PRO CEDURES DETERMINE THAT THE VACUUM SYSTEM IS PROPERLY DESIGNED TO OPERATE WITHINTHESE ATMOSPHERES CONSULT CURRENT NATIONAL ELECTRIC CODE OSHA AND ENVIRONMENTAL PROTECTION AGENCY REGULATIONS FOR SPECIFIC INFORMATION 7 b Water sand slurry mixture applied directly to the work surface can be an effective method of reducing the effects of grinding and other material removal processes This method can be a productive alternative when removing adhesives containing asbestos negative effect of this method is that the water sand slurry mixture can be classified as a hazardous material requiring proper disposal procedures Normal usage of the SURFACE GRINDER will allow the build up and accumulation of work surface materials interior surfaces It is highly recommended that both the interior and exterior surfaces be properly cleaned after the completion of each usage SFG10E ELECTRIC SURFACE GRINDER
22. D WITH ITEM 32 34 5 15060800 SCREW CAP 3 8 16 UNC X 1 PLATED 35 5L16060000 WASHER 3 8 PLATED 36 SF15050400 SCREW CAP 5 16 18 UNC X 1 2 PLATED 37 5 16050000 WASHER LOCK 5 16 PLATED 38 172 RING KICK OUT SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 43 TY N DO N ANN M ot etn REMARKS ELECTRIC MOTOR ASSY ELECTRIC MOTOR ASSY SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 44 ELECTRIC MOTOR ASSY ELECTRIC MOTOR ASSY PART NO PART NAME QTY REMARKS 1 SFSG120030 MOTOR ELECTRIC 1 1 2 HP 115 VAC 1 2 550120250 MOUNT ELECTRIC MOTOR 1 3 SFCG5050 RELIEF STRAIN 1 4 5 801 NUT BULKHEAD INCLUDED WITHITEM9 REFERENCE 5 SFSG120400 PULLEY 1 6 5L31050600 SCREW SET CUP POINT 5 16 18 UNC X 3 8 INCLUDED WITH ITEM 5 7 SF63030800 KEY SQUARE 3 16 X 3 16 X 1 8 SFCS80470 SCREW 3 8 16 UNC X 3 1 2 FULL THREAD PLATED 9 SF17060000 WASHER FLAT 3 8 PLATED 10 561606000 WASHER LOCK 3 8 PLATED 11 SF18060000 HEXAGON 3 8 16 UNC PLATED 12 861704000 WASHER FLAT 1 4 PLATED 13 SF53050000 HEXAGON NYLOC 5 16 18 UNC PLATED 14 SF15050800 SCREW CAP 5 16 18 UNC X 1 PLATED 15 45 BELT
23. E GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 36 STORAGE Storage Proper procedure for long term storage of the SURFACE GRINDER will protect it against the effects of corrosion and damage If the SURFACE GRINDER is not to be operated for a period of 30 days or more proceed to store as follows 1 Clean all accumulated foreign material from the SURFACE GRINDER utilizing an appropriate safety solvent CAUTION Observe all applicable safety precautions for the solvent 2 Check visible parts for wear breakage or damage Order any part not required to make the necessary repair This will avoid a needless delay when operating the SURFACE GRINDER at next use 3 Apply a dry film lubricant to all exposed metal components to prevent the formation of rust 4 Store the SURFACE GRINDER inside If the SURFACE GRINDER must be stored outside protect it with a suitable covering SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 37 SPECIFICATIONS Specifications STRUCTURE Unitized Welded Steel Plate DRIVE REDUCTION SYSTEM B45 Series Belt Pulley Spur Gear transmission MAXIMUM GRINDING WIDTH 10 inches 254 mm OVERALL MACHINE WIDTH 27 1 2 inches 699 mm OVERALL MACHINE LENGTH
24. E SURFACE GRINDER AS PERTHE CONTENTS OFTHE APPLICABLE OPERATOR S MANUAL AND APPLICABLE MATERIAL INCLUDED IN THE NA TIONAL ELECTRIC Owner Instructor _ Owner Instructor _ l Date Owner Instructor A Date Owner Instructor Date Owner Instructor Owner Instructor Date NOTE INSERT COPIES OF THIS PAGE WITHIN THE OPERATOR S MANUAL IF SPACE FOR ADDITIONAL OPERATORS IS REQUIRED SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 7 SAFETY PRECAUTIONS THE FOLLOWING SAFETY PRECAUTIONS PROVIDE SOME COMMON SENSE GUIDES TO PROMOTE SAFETY AND EFFICIENCY WITH THE SURFACE GRINDER NO WARRANTY GUARANTEE OR REPRE SENTATION IS MADE BY THE MANUFACTURER AS TO THE ABSOLUTE CORRECTNESS OR SUFFI CIENCY OF ANY INFORMATION OR STATEMENT THESE SAFETY PRECAUTIONS ARE INTENDED TO DEAL PRINCIPALLY WITH COMMON PRACTICES AND CONDITIONS ENCOUNTERED INTHE USE OF THE SURFACE GRINDER AND ARE NOT INTENDED TO BE ALL INCLUSIVE PROPER LEVELS OF OP ERATOR EXPERIENCE SKILL AND COMMON SENSE ARE ESSENTIAL FOR SAFE AND EFFICIENT OP ERATION INCORRECT USE OFTHE SURFACE GRINDER CAN RESULT IN PROPERTY DAMAGE PERSONAL INJURY OR EVEN DEATH TO REDUCE THIS POSSIBILITY GIVE COMPLETE AND UNDIVIDED ATTENTION TO THE JOB AT HAND AND FOLLOW THESE SAFETY PRECAUTIONS PREPARATION 1 THIS MANUAL This SURFACE GRINDER is specialized type of powered equipment d
25. ED MACHINE START UP CAN RESULT IN PROPERTY DAMAGE AND OR PERSONAL INJURY TRANSPORTINGTHE SURFACE GRINDER The SURFACE GRINDER has an operational weight that prohibits one person from loading and or unloading it alone by conventional physical efforts DO NOT ATTEMPT TO LIFT THE SURFACE GRINDER UP INTO ATRANSPORTATION VEHICLE WITH THE USE OF ONE PERSON ALONE DO NOT ATTEMPT TO LOWERTHE SURFACE GRINDER FROM ATRANS PORTATION VEHICLE WITH THE USE OF ONE PERSON ALONE LIFT AND OR LOWER THE SUR FACE GRINDER ONLY BY THE USE OF A POWER TAILGATE UNIT A SUITABLE HOIST UNIT OF PROPER CAPACITY AND OR CONFIGURATION OR BYTHE USE OF A PROPER QUANTITY OF PERSON NEL IN PROPER PHYSICAL CONDITION 1 A lifting bail device can be used to facilitate lifting by a mechanical device incorporating a chain and suitable attachment device The location of the lifting bail may not always locate the exact position of the center of gravity for the SURFACE GRINDER Lifting handles are also provided on both sides of the transmission case These handles can be utilized by personnel whenever lifting lowering the SURFACE GRINDER or attachment points for a chain sling whenever a suitable hoisting device is utilized FIGURE 29 SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 22 ASSEMBLY INSTRUCTIONS OPERATIONS ADJUSTING THE OPERATOR HANDLE HEIGHT The SFG10E SURFACE GRINDER incorporates a handle that can
26. ER ON FLOORS AND OR SURFACES ABOVE GROUND LEVEL 3 Proper operator posture and stance will enhance operational safety and overall productivity FIGURE 38 For most job applications operate the engine at maximum governed speed Consult the material supplied by the engine manufacturer and the SPECIFICATIONS section for specific information The wide variety of potential work surface materials along with the corresponding variety of job site environments makes it impossible to develop a standardized operating procedure for the SURFACE GRINDER Use of the SURFACE GRINDER will require constant trial and error testing until satisfactory results are achieved Experience gained over time and common sense will help minimize the amount of necessary testing Many factors will directly affect the operating parameters and or techniques utilized for a specialized job application Some of these factors include a Work surface material yield and tensile values As a general rule these values will determine material removal rate per unit of time Materials with high yield and tensile values will characteristically resist limit material penetration For such materials the accepted procedure is to make a number of multiple passes over the work surface rather than attempt to make a single deep pass The net effect is to actually increase productivity more material removed in less time Other added benefits to this technique are decreased vibrat
27. Federal law requires that a claim be filed within a specific time period If missing parts are detected notify your dealer who will assist you in obtaining them The SURFACE GRINDER is shipped from the factory completely assembled II ordered with the SURFACE GRINDER multi accessory attachments are normally shipped separately to minimize the potential for loss during shipment Check all fasteners for proper security Consult a fastener torque chart for the proper torque value if any fastener is found to require retorquing After April 1 1996 all single head SURFACE GHINDERS are shipped from the factory with the SFSG121000 Safety and Dust Shield Assembly Kit The SFSG121000 Safety and Dust Shield is designed to perform the following job functions 1 To contain loose materials within the platform area of the SURFACE GRINDER as a direct result of a specific grinding process This includes materials removed from the surface as well as any slurry mixture utilized to help maximize material removal efficiencies 2 To provide a method for a vacuum system to help remove airborne dust related materials from within the skirt assembly Dust related materials are usually created as a result of the grinding process A specific job application may require the reduction and or minimization of airborne dust related materials from the atmosphere while the SURFACE GRINDER is being operated The kit includes a hose and necessary hardware to connect the
28. HLY READ AND COMPREHEND THE CONTENTS OF THE APPLICABLE OPERATOR S MANUAL 2 BEFORE STARTING THE POWER SOURCE RAISE THE BLADE TO FULLY CLEAR THE WORK SURFACE VISUALLY INSPECT THE BLADE ARBOR SHAFT 3 THIS MACHINE IS DESIGNED TO BE PULLED TOWARD THE OPERATOR DURING NORMAL OPERATION IMPROPER STARTING OPERATION PROCEDURES CAN RESULT IN PROPERTY DAMAGE AND OR PERSONAL INJURY 58 5050 SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 58 DECALS DECALS PARTNO PART NAME QTY REMARKS 1 29020 045 DECAL WARNING 1 2 SFSP85061 DECAL GREASE BEARINGS 1 3 29020 048 DECAL WARNING 2 4 29022 035 DECAL WARNING 2 5 SFSP85020 DECAL MOTOR START STOP 1 6 SFDCLSDP DECAL STOW LARGE 1 7 29020 049 DECAL WARNING 1 8 SFSP8E5HP5020 DECAL WARNING 1 SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 59 Effective July 15 2003 TERMS AND CONDITIONS OF SALE PARTS SIOW A DIVISION OF MULTIQUIP INC PAYMENT TERMS Terms of payment for unit sales are 296 15 days net 30 days from date of invoice unless otherwise specifically stated on our invoice Parts invoices have terms of net 10 days Minimum parts billing is 15 00 net Applicable discounts will be computed on merchandise value only Late charges will be assessed at prevailing rates Cash discounts cannot be taken on current billings if any previously billed amounts are p
29. Institute Although the F number system is only a few years old it offers these advantages a The system controls both flatness and levelness b Thereis a standard test method c The system recognizes the statistical nature of profile testing on random traffic floors d The system is infinitely variable SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 29 ASSEMBLY INSTRUCTIONS OPERATIONS F F Classifications set forth by ASTM E1155 FLOOR PROFILE MINIMUM NUMBER REQUIRED QUALITY F NUMBERS FLATNESS LEVEL F F FLATNESS F CONVENTIONAL BULL FLOAT STRAIGHTEDGE 13 15 FLAT 15 VERY FLAT 25 FIGURE 40 One of the major limitations of the F number system is that it does not control the surface regularity at joints Because joints are statistical anomalies the standard test method forbids measurements within 24 inches The designer specifying by F number has two methods to accommodate the problem The first solution is to locate joints at locations where surface regularity is not important The second solution is to design specifications for the joints themselves The TR 34 tolerances for defined traffic floors The TR 34 System divides defined traffic floors into three categories a Superflat b Category 1 c Category 2 For each category the TR 34 System specifies limits for three properties Property 1 is the dif
30. LACINGTHE LORD TYPE ELASTOMERIC MOUNTS ONTHE MULTI ACCESSORY DISC Lord type elastomeric rubber mounts are utilized to allow each multi accessory disc to maintain full contact with the work surface The rubber mounts afford a constant flex rate for the multi accessory disc throughout its service life The rubber compound is resistive to the effects of ultraviolet radiation and most common chemicals encountered when operating the SURFACE GRINDER During the manufacturing process the rubber mounts are pressed into specially machined cavities in the disc mounting plate Under normal usage and job applications the Lord type rubber mounts will deliver appropriate performance for the expected service life of the SURFACE GRINDER However an attachment mounted in the multi accessory disc that directly strikes a vertical floor obstruction with sufficient impact force can cause one or more of the mounts to become separated from the mounting plate This occurrence will not allow the multi accessory disc to maintain full contact with the work surface This occurrence is also intended to protect the transmission gears and bearings from costly damage and the operator from an impact force that could cause personal injury Tools Required 1 each 5 16 allen wrench 2 each 5 8 wrenches 1 each arbor press of sufficient capacity and stability Parts Required Elastomeric Mount P N SFJ62502 as required 1 container each Installation Lubrica
31. LE ASSY OPERATOR HANDLE ASSY SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 42 OPERATOR ASSY OPERATOR ASSY NO PARTNO PART NAME 1 550120180 HANDLE LOWER 2 5 56120110 HANDLE TOP SF3100030 THROTTLE TWIST CONTROL PLASTIC COMPL 4 SFS6120415 GRIP 7 8 BLACK 5 SFS6G120280 CLAMP HOSE 6 5 56120190 COVER SWITCH 7 SF6600900 MOUNT RUBBER 8 SFWS277 ASSEMBLY SWIVEL 9 5 56120350 SPRING COMPRESSION 10 5 5160300 GROMMET 11 5550120340 E CLIP 7 32 EXTERNAL 12 53100081 CABLE THROTTLE 13 SFS6G120330 SWITCH 115V 14 SFSG120050 KNOB ASSY 15 SF37041300 SCREW MACHINE PAN HEAD PHILLIPS 1 4 20 UNC X 1 5 8 PLATED 16 5 56120170 CAM SWITCH 17 SFS6G120150 TUBE PIVOT 18 SFSG120160 LEVER SWITCH 19 5 56120380 SCREW WOOD FLAT HEAD PHILLIPS 12 X 7 8 20 SF17060000 WASHER FLAT 3 8 PLATED 21 SF16040000 WASHER LOCK 1 4 PLATED 22 5 90040000 NUT ACRON 1 4 20 UNC PLATED 23 SFCS161000 EXTENSION CORD GFCI 24 SFWIRE NUTY NUT WIRE YELLOW 25 SFSG120260 CABLE SWITCH TO PLUG 26 SFSG120270 CABLE SWITCH TO MOTOR 27 SFHUB4720C PLUG TWIST LOCK MALE 15A 28 SFCS160210 PIN WITH LANYARD 29 SF62081400 BOLT SHOULDER 1 2 X 1 3 4 30 SFCS160340 BUSHING BRONZE 1 2 ID 31 5 86060000 NUT HEXAGON FLANGE 3 8 16 UNC PLATED 32 SFCG5050 RELIEF STRAIN 33 5801 BULKHEAD INCLUDE
32. NSTRUCTIONS OPERATIONS that particular area As a general rule a pentagonal flail can be utilized until body wear will no longer support the tungsten carbide inserts Spacer Washer Spacer washers are stamped from high carbon steel and heat treated for additional service life FIGURE 10 opacer washers serve the following functions FIGURE 10 1 Reduces the number of flails required to be mounted on the scarifier block thus reducing purchase and operational costs 2 Arrange the flails in a sequence or pattern that minimize blind or spots Normally at least one spacer washer is inserted between two consecutive flails A scarifier block set up with only star beam or pentagonal flails will not penetrate the work surface at satisfactory rates This configuration will minimize the hammering or impact action of the flails Variances in material thickness and manufacturing processes can affect the final thickness of both flails and spacer washers Because of this occurrence trial and error is important for assembling flails and spacer washer on the scarifier block By mixing and matching flails and spacer washers of specific thicknesses the required number of components can be assembled on a block in a minimum amount of time USE ONLY FACTORY SUPPLIED SPACER WASHERS ONTHE SCARIFIER BLOCK OTHER WASHERTYPES AND OR CONFIGURATIONS CAN PRODUCE ABNOR MAL WEAR AND ELONGATION RESULTING IN COMPLETE SEPARATION FROM
33. OPERATION AND PARTS MANUAL A DIVISION OF MULTIQUIP INC MODEL SFG10E ELECTRIC SURFACE GRINDER Revision 1 07 16 07 THIS MANUAL MUST EQUIPMENT AT ALLTIMES SILICOSIS RESPIRATORY WARNINGS SILICOSIS WARNING Grinding cutting drilling of masonry concrete metal and other materials with silica in their composition may give off dust or mists containing crystalline silica Silica is a basic component of sand quartz brick clay granite and numerous other minerals and rocks Repeated and or substantial inhalation of airborne crystalline silica can cause serious or fatal respiratory diseases including silicosis addition California and some other authorities have listed respirable crystalline silica as a substance known to cause cancer When cutting such materials always follow the respiratory precautions mentioned above RESPIRATORY HAZARDS Grinding cutting drilling of masonry concrete metal and other materials can generate dust mists and fumes containing chemicals known to cause serious or fatal injury or illness such as respiratory disease cancer birth defects or other reproductive harm If you are unfamiliar with the risks associated with the particular process and or material being cut or the composition of the tool being used review the material safety data sheet and or consult your employer the material manufacturer supplier governmental agencies such as OSHA and NIOSH and oth
34. RATION WITHTHE GROUND FAULT CIRCUIT INTERRUPTER PLACED BETWEEN THE POWER SOURCE AND THE EXTENSION CORD WILL NOT AFFORD MAXIMUM PROTECTION AGAINST A POTENTIAL FAULT THE GRINDING PROCESS PRODUCES EXCESSIVE NOISE VIBRATION AND FLYING DEBRIS ALL OPERATORS AND WORK PERSONNEL IN THE VICINITY OFTHE SURFACE GRINDER MUSTWEAR APPROPRIATE SAFETY EYEWEAR AND HEARING PROTECTION DEVICES OTHER SAFETY APPAREL AND OR PROCEDURES DEEMED NECESSARY BY 6 Couple the NEMA 6 20R receptacle and the 6 SUPERVISORY PERSONNEL MUST ALSO BEWORN 20P plug together AND OR PRACTICED BY ALL APPROPRIATE 7 Grasp the operator handle with firm gripping When PERSONNEL starting the electric motor apply a down force directly to the operator handle to help reduce the amount of machine weight against the work surface Turn the ON OFF switch to the ON position Reduce the amount of applied down force on the operator handle as the electric motor attains its operational speed When operating on 115 VAC the electric motor will require additional starting time to help compensate for the additional starting amperage requirement This time EXERCISE EXTREME CAUTION WHEN OPERATING THE SURFACE GRINDER INTHE VICINITY OF DECK INSERTS PIPES COLUMNS OPENINGS LARGE CRACKS UTILITY OUTLETS OR ANY OBJECT PROTRUDING FROMTHE SURFACE CONTACT WITH SUCH OBJECTS CAN LEADTO LOSS OF MACHINE CONTROL RESULTING IN PROPERTY DAMAGE AND OR PERSONAL INJURY is uSually wit
35. RFACE GRINDER directly over cracked uneven or irregular surfaces Clean and remove all accumulated foreign matter from inside the mainframe area after each use This practice will maximize bearing and V belt service life Because this SURFACE GRINDER is classified as a low cost hand held low horsepower portable type machine it is limited in the number of practical and or suitable job applications A particular job site actual surface conditions job specifications and operator skill common sense may dictate that a different type of machine with characteristics of higher purchase cost being mounted to a carrier vehicle with greater horsepower and less mobility method and or process be utilized to properly complete the job with the degree of efficiency and safety required Contact the Customer Service Department for specific information regarding suitable job applications job sites surface conditions and operator experience skill common sense recommendations for this SURFACE GRINDER BEFORE utilization There is no charge for this service SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 10 SAFETY PRECAUTIONS MAINTENANCE REPAIR AND STORAGE 1 Use only genuine approved replacement parts and accessories for maintenance and repair Use of parts and accessories manufactured by others can result in property damage and or personal injury 2 Follow the Service instructions as outli
36. TEEL pim SEE NOTE 2 9 29019 012 FAIL PENTAGONAL HEAT TREATED STEEL j SEE NOTE 2 6 08233 006 NUT HEX 3 8 UNC NYLOCK PLATED 2 7 29019 017 WEDGE PLASTIC 1 SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 53 SCRAPE R TACH ASSY SCRAPE R TACH ASSY Y NS N OS SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 54 O CO O gt CO PART NO 29018 082 29018 084 29018 085 29018 086 29019 019 29018 087 06500 020 08233 005 29019 017 07033 004 07029 004 SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 55 SCRAPE R TACH ASSY SCRAPE R TACH ASSY PART NAME HOUSING HOLDER INSERT MOUNT RUBBER SPACER INSERT TUNGSTEN CARBIDE SCREW 5 1 4 UNC X 1 1 4 BOLT CARRIAGE 5 16 UNC X 2 1 2 PLATED GD 5 NUT NYLOCK 5 16 1 8 UNC PLATED WEDGE PLASTIC NUT HEX 1 4 20 PLATED WASHER LOCK1 4 PLATED GRINDING BLOCK ASSY GRINDING BLOCK ASSY SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 56 GRINDING BLOCK ASSY GRINDING BLOCK ASSY NO PART NO PART NAME QTY REMARKS 1 9G242101010 BLOCK 1 2 9G242101030 O RING 3 3 83040901 PIN RETAINING STAINLESS STEEL 3
37. THE SCARIFIER BLOCK INADVERTENT SPACER WASHER SEPARA TION CAN LEAD TO PROPERTY DAMAGE AND OR PERSONAL INJURY Scarifier Block Bushing Scarifier block bushings are designed to be discarded whenever the flails are replaced FIGURE 11 Normal wear should be uniform about the bushing circumference Uneven bushing wear would suggest the following problems FIGURE 11 1 Inadequate free play exists between the flails spacer washers and the scarifier block case If the flails and spacer washers do not have complete freedom of movement they will not be capable of properly rotating about the scarifier block bushing The result is bushing wear usually confined to two locations that are 180 degrees apart Variances in flail and spacer washer thicknesses affect free play when assembled on the scarifier block Because free play is also created during the scarifying process due to actual flail and spacer washer wear a certain amount of tightness can sometimes be tolerated without affecting the service life of the bushings and flails The specific amount of tightness can usually be determined through trial and error If the and spacer washers appear too tight on the scarifier block remove an appropriate flail or washer and reassemble the block If a short operational test indicates normal component wear patterns the apparent problem has been solved A general rule for consideration it is better to have the flails and spa
38. TION AND PARTS MANUAL REV 1 07 16 07 PAGE 60 NOTE PAGE SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 61 OPERATION AND PARTS MANUAL HERE S HOW T0 GET HELP PLEASE HAVE THE MODEL AND SERIAL NUMBER ON HANDWHEN CALLING UNITED STATES Multiquip Corporate Office 18910 Wilmington Ave Carson CA 90746 Contact mq multiquip com Mayco Parts 800 306 2926 310 537 3700 Service Department 800 421 1244 310 537 3700 MEXICO MQ Cipsa Carr Fed Mexico Puebla KM 126 5 Momoxpan Cholula Puebla 72760 Mexico Contact pmastretta cipsa com mx CANADA Multiquip 4110 Industriel Boul Laval Quebec Canada H7L Contact jmartin multiquip com SIOW A DIVISION OF MULTIQUIP INC Tel 800 421 1244 Fax 800 537 3927 Fax 800 672 7877 Fax 310 637 3284 Fax 310 537 4259 Tel 52 222 225 9900 Fax 52 222 285 0420 Tel 450 625 2244 Fax 450 625 8664 STOW CONSTRUCTION EQUIPMENT A DIVISION OF MULTIQUIP INC POST OFFICE BOX 6254 CARSON CA 90749 310 537 3700 888 252 S TOW 888 252 7869 FAX 310 537 1986 FAX 800 556 1986 E MAIL stow 9 multiquip com WWW stowmfg com MQ Parts Department 800 427 1244 310 537 3700 Fax 800 672 7877 Fax 310 637 3284 Warranty Department 800 421 1244 Ext 279 310 537 3700 Ext 279 Technical Assistance 800 478 1244 Fax 310 537 1173 Fax 310 631 5032 UNITED KINGDOM Multiq
39. V TYPE OM SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 45 WHEEL DOLLY ASSY WHEEL DOLLY ASSY SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 46 WHEEL DOLLY ASSY WHEEL DOLLY ASSY PARTNO PART NAME QTY REMARKS 1 550240190 ARM SWING 2 2 SFSG240260 WHEEL 2 3 550120370 SCRAPER WHEEL 2 4 562121200 BOLT SHOULDER 3 4 10 UNC X 1 1 2 2 5 SF17120000 WASHER FLAT 3 4 PLATED 2 6 5 22022400 PIN COTTER 5 82 X 1 1 2 PLATED 2 5 20031200 PIN ROLL 3 16 X 1 1 4 PLATED 2 8 SF15081000 SCREW CAP 1 2 13 UNC X 1 1 4 PLATED 2 9 516080000 WASHER LOCK 1 2 PLATED 2 10 SF6600410 BEARING OILITE 2 11 SF17100000 WASHER FLAT 5 8 PLATED 2 12 SF18100000 NUT HEXAGON 5 8 11 UNC PLATED 2 13 SFSG120200 AXLE PLATED 1 SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 47 gt lt LLI lt TE y A lt LLI lt gt LLI CC lt lt lt o CC lt lt lt lt 2 mm lt CC QO o Cc LLI cc LLI lt LL cc o C LLI LLI LL o FRAME ASSY FRAME ASSY FRAME ASSY NO PART NO PART NAME 1 5 56120010 FRAME MAIN 2 SFSG
40. VAC 60 Hz nominal power source A clean power source refers to the amperage available on the individual electrical circuit selected Additional electrical products already utilizing the same circuit will reduce the available amperage resulting in starting and operational difficulties SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 23 ASSEMBLY INSTRUCTIONS OPERATIONS Operating the SURFACE GRINDER from a power PROPERLY INSPECT ALL EXTENSION CORDS AND source of improper voltage and amperage will result WIRING DEVICES FOR STRUCTURAL INTEGRITY DO in un repairable damage to the electric motor and NOT UTILIZE A CORD WITH AWORN OR CUT OUTER related controls JACKET MATERIAL DO NOT UTILIZE A CORD WITH EXPOSED INNER WIRES OR INSULATION MATE RIAL DO NOT UTILIZE A CORD THAT HAS BEEN 4 motor is equipped with automatic thermal protection REPAIRED WITH ELECTRICAL TAPE USE OF A AN device that will stop it before major internal damage EXTENSION CORD OF IMPROPER STRUCTURAL can result After the motor has cooled to an acceptable INTEGRITY CAN RESULT IN PROPERTY DAMAGE temperature level the switch must be manually AND OR PERSONAL INJURY activated to restart FIGURE 32 ALL ELECTRICAL WIRING MUST BE INSTALLED AND OR APPROVED IN ACCORDANCE TO LOCAL ELECTRICAL CODES AND PRACTICES AN IM PROPER WIRING INSTALLATION CAN RESULT IN PROPERTY DAMAGE AND OR PERSONAL INJURY 5 Determine that the
41. WAY SURFACE GRINDER CAN RESULT IN PROPERTY DAMAGE AND OR PERSONAL INJURY BECAUSE OF THE UNIQUE OPERATING CHARACTERISTICS OF THE SURFACE GRINDER THERE IS NO PROVISION FOR THE ELECTRIC MOTOR TO AUTOMATICALLY STOP IF THE OPERATOR FAILS TO MAINTAIN PROPER CONTROL SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 25 ASSEMBLY INSTRUCTIONS OPERATIONS WHEN OPERATING THE SURFACE GRINDER ON ABOVE GROUND FLOOR LEVELS EXERCISE EX TREME CAUTION TO PREVENT LOSS OF CONTROL THAT COULD ALLOWTHE MACHINE AND OR OPERA TORTO FALL DOWNTO LOWER LEVELS SUCH AN OCCURRENCE CAN RESULT IN PROPERTY DAMAGE AND OR PERSONAL INJURY 2 Productivity rates with the various multi accessory attachments can be increased with the addition of external weight being applied to the area over the rotating disc FIGURE 36 Maximum allowable external weight is 300 158 Exceeding this figure can result in permanent structural damage to the SURFACE GRINDER Provisions for securing the weight by the means of strapping or other appropriate methods is provided DO NOT OPERATE THE SURFACE GRINDER WITH OUT ALL EXTERNAL WEIGHT PROPERLY SECURED TOTHE MAIN FRAME A SUDDEN CHANGE IN MOVE MENT OR DIRECTION CAN ALLOW THE UNSECURED WEIGHT TO FALL OFF THE SURFACE GRINDER RESULTING IN LOSS OF MACHINE CON TROL PROPERTY DAMAGE AND OR PERSONAL INJURY THIS PROCEDURE IS ESPECIALLY IMPOR TANT WHEN OPERATING THE SURFACE GRIND
42. acon 325 Shell Alvania 2 Chevron SHI or equivalent 1 each container of dry film lubricant 1 Lubricate the caster wheel bearings with a dry film lubricant only Dry film lubricants dry immediately upon contact Use sparingly Excess lubricant will attract the fine grained powdered materials described and directly affect bearing service life Do not lubricate the caster wheels with any type of grease material Grease will attract foreign material accumulations that can accelerate bearing wear 2 Thetransmission gears are supported by extra capacity ball bearing units Bearings are lubricated at the time of manufacture and do not require additional servicing when placing the unit in initial service Zerk grease fittings can promote improper service schedules and an excessive amount of over lubrication Excess grease escaping from around the bearing insert seals will attract foreign material accumulations that can drastically shorten their service life Excessive amounts of grease in the bearing race cavity can actually increase friction and resulting heat increases that can also dramatically shorten bearing service life FIGURE 51 LUBRICATION POINTS SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 34 MAINTENANCE SERVICE 3 The transmission gears are lubricated at the time of assembly with approximately 24 ounces of Lubricate GR132 grease or equivalent This lubricant
43. action that removes materials with highly productive results To increase the effectiveness of the inserts the scraper block design incorporates a Lord type rubber mount that helps absorb damaging shocks while allowing the inserts to more easily follow local variations in the surface contour Units are secured to the machine with plastic wedges SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 17 ASSEMBLY INSTRUCTIONS OPERATIONS FIGURE 16 The productivity of the product is directly dependent upon the yield and tensile strength of the material being removed Material thickness has also shown to have a direct effect on overall productivity For example the SCRAPE R TACH system is a highly productive method for removing thick paint accumulations from factory floors Production rates of up to several hundred square feet per hour can be realized However many thin film ie 5 mill thickness and thinner urethane coatings present a much more difficult removal problem Since removal rates are also directly affected by applied down force up to 300 6 of external weight can be applied to the SURFACE GRINDER to increase productivity Cement blocks stacked bags of cement or weighted drums make excellent weights and can be secured with cords FIGURE 17 s FIGURE 17 Each insert provides 8 scraping edges As an edge become dull and worn the insert can be turned and
44. and not with the back Prolonged use of the SURFACE GRINDER or other similar machines exposes the operator to vibrations which may produce Whitefinger Disease Raynaud s Phenomenon This phenomenon reduces the hand s ability to feel and regulate temperature produces numbness and burning sensations and may cause nerve and circulation damage and tissue necrosis Anti vibration systems do not guarantee that you will not sustain Whitefinger Disease Therefore continuous and regular users should closely monitor the condition of their hands and fingers After each period of use SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 8 SAFETY PRECAUTIONS exercise to restore normal blood circulation If any of the symptoms appear seek medical advice immediately Clothing must be sturdy and snug fitting but allow complete freedom of movement Never wear loose fitting jackets scarves neckties jewelry flared or cuffed pants or anything that could become caught on controls or moving parts Wear long pants to protect your legs Protect your hands with heavy duty non slip gloves to improve your grip Good footing is most important when operating the SURFACE GRINDER Wear sturdy boots with non slip soles Steel toed safety shoes are highly recommended Never wear tennis shoes or other similar type shoes which afford little or no protection Wear an approved safety hard hat to protect the operat
45. ast due FREIGHT POLICY Freight policy is established to offer customers every advantage possible Due to bulk freight ratings on some equipment and other shipping considerations freight policies differ by equipment type Actual back freight may be charged for shipments originating from other than specified FOB warehouses See Freight Policy for details All STOW domestic sales are FOB nearest available designated MQ STOW warehouse Export orders are ex works factory located in Carson CA or Boise ID Additions to orders already shipped cannot be accepted for freight minimums Should STOW elect to make partial shipments of an order originally complying with the freight allowed requirements transportation charges will be absorbed by STOW on any subsequent shipment applying to that order All other orders will be shipped collect or prepaid with charges added to the invoice STOW s responsibility ceases when a signed manifest has been obtained from the carrier and any claim for shortage or damage must be settled between the consignee and the carrier Parts FOB Carson California or Boise Idaho See Freight Policy for details and additional discounts Terms and Conditions of Sale STOW Construction Equipment DROP SHIPMENTS STOW reserves the right to refuse Drop Shipments outside the normal service area of the purchasing dealer FIELD WAREHOUSES Field Warehouses are currently located in California Georgia Idaho
46. be adjusted to compensate for variances in operator EXERCISE EXTREME CAUTION WHEN UTILIZING A heights Correct handle height can increase overall machine MECHANICAL DEVICE FOR LIFTINGTHE SURFACE productivity and reduce operator fatigue GRINDER UTILIZE THE MECHANICAL DEVICE IN ACCORDANCE TO BOTH ITS STATED STATIC AND 1 Loosen both knobs on the lower handle FIGURE 30 DYNAMIC LOADING ENVELOPES DO NOT UTILIZE THE MECHANICAL DEVICE UNTIL THIS INFORMA 2 Pullthe top handle until the desired height is reached TION IS PROPERLY KNOWN AND UNDERSTOOD BY ERLY UTILIZE THE MECHANICAL DEVICE CAN RESULT IN PROPERTY DAMAGE AND OR PER SONAL INJURY 2 Tominimize the possibility of damage to the SURFACE GRINDER always transport in its normal upright position All equipment must be secured in on vehicles with suitable strapping or tie downs Personnel should not be transported in the same compartment as equipment and fuel supplies Consult applicable OSHA AGA CGA etc regulations for the proper transportation flammable gases FIGURE 30 STARTING THE SFG10E SURFACE GRINDER ON THE JOBSITE 1 Position the SURFACE GRINDER on flat and level surface of firm foundation 2 Determine that the ON OFF switch located on the operator handle is in the OFF position DANGER UNEXPECTED MACHINE START UP CAN RESULT IM FIGURE 29 PROPERTY DAMAGE AND OR PERSONAL INJURY 3 The motor is designed to operate from a clean 20 ampere 115
47. cer washers a little too loose than a little too tight 2 Mixing both worn and new flails on the scarifier block Proper flail action against the work surface material requires that the flails be of the same approximate dimensions Flails with various inside and outside dimensions will not impact the work surface material with the same intensity and deliver the same results Flail bushing wear is directly proportional to the amount of force it must supply against each individual flail When a bushing can no longer supply adequate force against the flails it will break allowing the flails to be hurdled SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 16 ASSEMBLY INSTRUCTIONS OPERATIONS against the inside of the SURFACE GRINDER frame The more aggressive flails require greater forces to keep them contained on the block These forces in turn create faster and or uneven bushing wear rates Because scarifier bushings are a critical component of the actual scarifying process it is important that each bushing be inspected on a regular basis to determine proper structural integrity Wire brushes Typical applications include light scarifying and cleaning of concrete asphalt steel and tile surfaces Wire brushes are secured to the machine with plastic wedges FIGURE 12 FIGURE 12 Wire brushes available number of flat wire sizes resulting configu
48. city and striking the operator and or onlookers This can lead to the possibility of property damage and or personal injury Keep all body parts loose clothing and foreign objects clear of the rotating drum and flails Start the electric motor according to the instructions as outlined in this manual to minimize the possibility of unexpected contact with the work surface Unexpected contact with the work surface can cause the loss of machine control and the possibility of property damage and or personal injury Start and operate the SURFACE GRINDER only in a well ventilated area Operate the SURFACE GRINDER only when where visibility and light are adequate for the job at hand Work carefully Always hold the operator handle firmly with both hands Wrap your fingers around the handle keeping it cradled between your thumbs 10 and fingers Always make sure the operator handle is in good condition and free of moisture pitch oil or grease Wear gloves to improve your grip Never leave the SURFACE GRINDER running unattended Special care must be exercised on slippery conditions and on difficult uneven surfaces Watch for cracks high spots and other surface irregularities Keep proper footing and balance at all times The normal use of this machine is on level surfaces Other terrains can be dangerous and should be avoided Only properly trained operators should attempt these techniques Never start the electric motor with the SU
49. d surface finish available from the scarifying process is comparable to a swept or broomed like finish If a smooth flat finish is desired the scarifying process must be followed with a grinding or polishing type process Many job requirements may call for large amounts of material to be removed but followed with additional specifications requiring a finer surface finish or texture Many times these jobs dictate the use of an aggressive flail configuration because of productivity and cost considerations Less aggressive flail configurations can then be utilized for the final finishing sequence Generally speaking the more aggressive the flail configurations the more coarse the resulting finish and texture Many flail configurations are available to meet a wide variety of job applications and surface material specifications To give additional perspective to each configuration a rating system of 1 to 10 10 being highest has been devised FIGURE 6 Star Flail The star flail is manufactured from high carbon steel that is through hardened for additional service life It is highly effective for light cleaning or scarifying and delivers a finer surface finish texture FIGURE 7 SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 14 ASSEMBLY INSTRUCTIONS OPERATIONS FIGURE 7 Suggested Applications 1 Removal of thin coatings and encrusted accumulations 2 Cleaning concre
50. de stone will result in still lower material removal rates IL is utilized for polishing concrete and medium grinding on terrazzo and other types of stone floor configurations with a water slurry mixture only The average service life is approximately 8 to 20 hours d The C120 super fine grade stone will result in the lowest material removal rates IL is utilized for final polishing on terrazzo and other types of stone floor configurations with a water slurry mixture only The average service life is approximately 40 to 75 hours SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 13 ASSEMBLY INSTRUCTIONS OPERATIONS Tungsten Carbide Grinding Block This multi accessory attachment is most often utilized on larger concrete grinding projects where increased production and service life are required The block utilizes tungsten carbide balls approximately 1 16 inch diameter that are deposited in a molten matrix material during the manufacturing process at a controlled rate The end effect is a multi layer deposit of tungsten carbide balls in the matrix material As the softer matrix material wears with use it exposes a new layer of fresh tungsten carbide balls to continue the grinding process The tungsten carbide grinding block is considerably more aggressive than the C10 silicon carbide grinding stone With the ability to renew itself during usage the normal life expectancy for this accessory ca
51. e of surface regularity is found among the defined traffic floors Defined traffic floors allow the designer and contractor to focus on a limited number of critical areas When a defined traffic floors is out of tolerance it is relatively easy to identify the defects for correction usually by employing a grinding process How to Define Surface Regularity Since the middle 1980s new methods of defining surface regularity have been adopted as national standards Older methods will continue to be utilized although they are less effective The following methods will be discussed 1 The number system for random traffic floors 2 The TR 34 system for defined traffic floors Both methods are not of equal value For random traffic floors F numbers provide the most complete and consistent system For defined traffic floors the TR34 system is superior The F number system utilizes a pair of numbers to define surface regularity The flatness number Ff is based upon the curvature over a horizontal distance of 24 inches The levelness number Fl is based upon the floor slope over a horizontal distance of 10 feet The standard test for F numbers is specified in ASTM E1155 and or most recent version With both Ff and Fl higher numbers mean greater surface regularity Though the scale ranges from zero to infinity almost all floors have F numbers between 10 and 100 for both flatness and levelness Since the scale is linear an Ff50 floor
52. e of the SURFACE GRINDER can result in property damage and or personal injury including death Each potential operator not willing to assume the operational and physical liability described and or associated with the use of the SURFACE GRINDER should not operate it Proper levels of operator experience skill and common sense are essential for maximizing the safe and efficient operation of the SURFACE GRINDER the SURFACE GHINDER and electric motor serial numbers in the spaces provided below Model Number Serial Number Electric Motor Serial Number _ Date of Purchase Specifications and design are subject to change without notice or obligation All specifications are general in nature not intended for specific application purposes I CVV A Division of Multiquip reserves the right to make changes in design engineering or specifications and to add improvements or discontinue manufacture at any time without notice or obligation STOW and its agents accept no responsibility for variations which maybe evident in actual products specifications pictures and descriptions contained in this publication SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 6 OPERATOR INSTRUCTIONAL DATA SHEET The following undersigned operators of the SURFACE GRINDER described and or pertaining to this Operator Manual have received formal safety and operational in formation ins
53. elivers medium to coarse finish texture FIGURE 9 gt gt FIGURE 9 Suggested Applications 1 Heavy duty asphalt and concrete scarifying 2 Heavy duty descaling of steel decks The pentagonal flail is designed for more aggressive and rapid removal of a surface in comparison to the beam flail The addition of the tungsten carbide inserts contributes to its long service life and higher production rates The use of tungsten carbide is also the main reason for the cost differential between it and the other flails The design configuration yields a rather coarse surface finish and texture For many job applications this finish and texture will be satisfactory Some applications may require an additional smoothing process If the resulting surface finish is too coarse to meet specifications it can be smoothed with the use of the star or beam flail COST 10 PRODUCTIVITY 8 SERVICE LIFE 10 The pentagonal flail should be replaced when two successive tungsten carbide inserts break off or the inside diameter elongates to approximately 3 4 inch In service the flail body will wear much faster than the tungsten carbide inserts The copper brazing used to weld the inserts into the body can fail and an insert break off The flail can still be used in service It will just wear a little faster and more uneven in SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 15 ASSEMBLY I
54. ely at waist level 2 Remove the belt guard from the main frame Clean the inside of the belt guard with an appropriate solvent Check for signs of wear and damage Secure in a proper storage area CAUTION Observe all applicable safety precautions for the solvent 3 Usingthe 1 2 inch wrenches loosen the motor mounting plate cap screws 4 With the same wrenches rotate the motor take up cap screws counterclockwise to loosen the V belts and allow the electric motor to slide toward the front of the main frame FIGURE 43 FIGURE 43 SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 32 MAINTENANCE SERVICE 5 Remove the worn V belt Inspect the electric motor and transmission pulleys for wear and damage Install the replacement belt P N SFB45 a Donotinstall replacement belt if the pulleys have excessively worn grooves Such pulleys should be replaced to insure proper belt fit Operating the V belt in worn pulley grooves will accelerate wear reduce horsepower and torque levels and significantly reduce component service life b AV belt should never be forced over a pulley More belts are broken from this cause than from actual failure in service C Keepthe belt as clean and free of foreign material as possible Do not use belt dressing 6 Rotate the take up cap screws clockwise until the V belt has enough tension to not allow it to fall off the pulleys REP
55. er sources on hazardous materials California and some other authorities for instance have published lists of substances known to cause cancer reproductive toxicity or other harmful effects Control dust mist and fumes at the source where possible In this regard use good work practices and follow the recommendations of the manufacturers or suppliers OSHA NIOSH and occupational and trade associations Water should be used for dust suppression when wet cutting is feasible When the hazards from inhalation of dust mists and fumes cannot be eliminated the operator and any bystanders should always wear a respirator approved by NIOSH MSHA for the materials being used SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 2 TABLE CONTENTS Electric Surface Grinder SFG10E As a continuing effort to update our parts book contact the MULTIQUIP literature department for the latest revision of your _ Operation and Parts Manual oilicosis Respiratory Warnings CoO Gk Parts Ordering Procedures Notice to Operators Operator Instructional Data Sheet Safety Assembly Instructions Operations Maintenance Service
56. es that will utilize the floor Improving the wear resistance of concrete floors by grinding with the SFG10E SURFACE GRINDER Poor wear resistance can often be traced back to a surface that is weaker than underlying levels of the pour This occurrence can result from bad finishing techniques improper curing or early freezing Where surface weakness is a problem grinding can be a solution The process is similar to the early age technique The grinding depth is typically 1 16 to 1 8 inch A large project should not be attempted until a small test area has proven that the technique will produce the desired results Usually only a square yard of floor is ground with the normal wear tests performed Repair costs be minimized by grinding only those floor areas that accommodate traffic For example in a pallet rack warehouse it may be necessary to grind only the aisle areas and not under any of the racks The grinding process can adversely affect the surface regularity Where specific properties are important it may be necessary to survey the floor during the grinding process to ensure that flatness and levelness specifications are maintained Cleaning concrete floors to improve the wear resistance with the SFG10E SURFACE GRINDER Clean concrete floors have a longer service life than dirty poorly maintained floors Loose debris produces three bodied wear by allowing particles to roll between the traffic and the floor surface With so
57. esigned for a specific job function and requires adequate and thorough instruction BEFORE it is operated The size power complexity and operating characteristics of this type of powered equipment would dictate that each operator must receive adequate professional instruction regarding the proper operation of this SURFACE GRINDER before being allowed to utilize it BEFORE attempting to utilize this SURFACE GRINDER read this Operators Manual and the material supplied by the motor manufacturer to familiarize each operator with its correct operating procedures Avoid the urge not to take the necessary time to read this Operators Manual before operating the SURFACE GRINDER DO NOT OPERATE THE SURFACE GRINDER UNTIL EACH OPERATOR COMPLETELY COMPREHENDS THE CONTENTS OF 2 Develop a comprehensive program for the safe operation of the SURFACE GRINDER by its owner s and or operator s Such a program will include but is not limited to instructional requirements for operation applicable OSHA requirements local laws and regulations job site safety and a SURFACE GRINDER maintenance program Constantly examine and upgrade this program to guarantee owner s and or operator s safety Each operator must be fully instructed regarding the specifics of this safety program Determine that the SURFACE GRINDER is in its original factory configuration and has not been modified in any manner Many modifications can result in potentially dangerous configu
58. ess otherwise indicated by customer all FedEx or UPS Second Day or Third Day orders are treated as Standard Orders and will FedEx or UPS Next Day ship within 24 hours We will make every effort to ship Air Shipments the same day that the order is received if prior to 2PM west coast time Stock Orders must be so noted on fax or web forms Federal Express Priority One DHL Truck 55555 Here s how to get help Place Your Parts Order Via Web or Fax T j Please have the model and serial number For E Ven M ngs when calling _ Domestic USA Dealers Only STOW MAIN OFFICE 18910 Wilmington Ave 800 421 1244 Extra Discounts Carson CA 90746 FAX 310 537 3927 All parts orders which include complete part numbers and Email stow stowmfg com are received by our automated web parts order system or Internet www stowmfg com by fax qualify for the following extra discounts SALES DEPARTMENT Ordered Standard Stock orders 310 661 4242 Fax 310 604 9237 via orders 750 list and above 877 289 7869 877 BUY STOW Fax 3 10 PARTS DEPARTMENT Web 5 10 800 427 1244 FAX 800 672 7877 310 537 3700 Special freight SERVICE When you order 10 or more 800 478 1244 FAX 310 537 4259 line items via Web or Fax 310 537 3700 FedEx Ground Service at charge for freight TECHNICAL ASSISTANCE No other allowances on freight shipped by any
59. ference in elevation between two points 12 inches apart measured in the direction of vehicle traffic This is the levelness tolerance Property 2 is the difference in slope over 24 inches measured in the direction of vehicle traffic This is the flatness tolerance It is identical as the 24 inch curvature utilized in the F number system Property 3 is the difference in elevation between opposite points in the left and right wheel path measured perpendicular to the direction of vehicle traffic As with Property 1 itis a levelness tolerance The 34 System specifies different values for Property 3 depending upon whether the distance between left and right wheel paths is more or less than 5 nominal feet The Superflat category is intended for very narrow aisle warehouses where the highest standards are required Category 1 is suggested for very narrow aisle warehouses where the vertical lift height is between 26 and 43 feet Category 2 is for very narrow aisle warehouses where the vertical lift height is under 26 feet and the use of low rise automatically controlled vehicles No matter which category of surface regularity is specified it is accomplished by measuring elevations on 12 inch centers This is very similar to an F number survey but with an important distinction In an F number survey the elevation profiles are made on the floor at random With the TR 34 System the survey measurements are made on the actual paths of the vehicl
60. han the stones Diamond is the ideal choice for larger concrete removal projects and the removal of epoxies paints and many thin film coatings The concept is especially useful for removing a thin layer of concrete in final preparation for a new coating application Can be used in both wet and dry job applications Worn inserts are easily replaced in a matter of seconds Service life is dependent upon many variables but can approach 35 000 square feet per set making it a cost efficient solution for many job applications FIGURE 24 INSTALLING A MULTI ACCESSORY ATTACHMENT not including multi segmented dry diamond discs IN THE ROTATING DISC Tools Required 1 Small Hammer Parts Required 6 each P N 29019 017 Plastic Mounting Wedge WHEN INSTALLING A MULTI ACCESSORY ATTACH MENT ON THE SURFACE GRINDER ALWAYS WEAR THE APPROPRIATE SAFETY EYEWEAR AND AP PAREL TO MINIMIZE THE POTENTIAL FROM FLYING DEBRIS FLYING DEBRIS CAN RESULT IN PROPERTY DAMAGE AND OR PERSONAL INJURY 1 Properly disconnect the extension cord or SURFACE GRINDER from the power source 2 Tilt the SURFACE GRINDER back until the operator handle comes in contact with the surface Appropriate wheel chocks are recommended FIGURE 25 FIGURE 25 3 Mount the multi accessory attachment into the slots provided in the multi accessory disc If the attachment is directional in design determine that its mounting position in the disc allows for proper operatio
61. has an additive to better allow it to cling to the gears The transmission should not require additional lubrication or the lubrication to be changed until service work to the gears is performed FIGURE 51 4 Standard greasing intervals will range from once every 8 hour work day to approximately once every work week Always maintain sufficient grease around the circumference of the bearing insert to provide its self aligning feature and prevent the formation of corrosion 5 Do not apply belt dressing materials to the V belts for the purpose of minimizing slippage These products typically attract foreign material accumulations that can accelerate component wear Excessive V belt slippage can be eliminated with proper V belt tension and alignment ELECTRIC MOTOR SERVICE The electric motor is capable of operating for many years with a reasonably small amount of maintenance Before attempting to service the motor disconnect the SURFACE GRINDER from the power source Clean the motor surfaces periodically preferably with a vacuum cleaner Heavy accumulations of dirt and lint will result in overheating and premature failure of the motor The electric motor is equipped with higher capacity ball bearings and under normal service and ambient temperatures should not require relubrication for many years If you feel that the motor requires relubrication contact the local representative of the motor manufacturer for specific information
62. hin two seconds of activating the ON OFF switch 8 The SFG10E SURFACE GRINDER is not equipped with a centrifugal clutch assembly The electric motor is directly coupled to the multi accessory disc by a V belt spur gear transmission 1 The SURFACE GRINDER incorporates a rotating disc for mounting a wide variety of multi accessory attachments Direct contact with a protruding obstruction from the floor can result in rapid and jerky directional movement of the machine In most operating situations direct contact with such an obstruction will result in the multi accessory attachment becoming dislodged from the rotating disc This occurrence is intended to protect the SURFACE GRINDER from excessive damage and allow the operator to remain in proper control of the machine AS SOON ASTHE ELECTRIC MOTOR HAS STARTED THE OPERATOR MUST BE IN A POSITION TO ASSUME DIRECT AND FULL CONTROL OF THE SURFACE GRINDER FAILURE TO ASSUME DIRECT AND FULL CONTROL CAN RESULT IN PROPERTY DAMAGE AND OR PERSONAL INJURY 9 The SFG10E SURFACE GRINDER is stopped by moving the ON OFF switch located on the operator handle to the OFF position For safety considerations it is also recommended that the extension cord be disconnected from both the SURFACE GRINDER and electric power source whenever the SURFACE GRINDER is not in use on the job site ALWAYS MAINTAIN PROPER CONTROL OF THE SURFACE GRINDER IF AN OPERATOR LOSES CON TROL OF THE MACHINE A RUNA
63. i accessory attachments Grinding Stones Grinding stones are available in a number of grades including 06 extra coarse C10 coarse C24 medium C80 fine and C120 super fine grade FIGURE 4 All stones incorporate silicon carbide as the abrasive medium and employ a clay binder as the matrix material Vitrified type stones utilize an oven baking process that produces greater service life over other manufacturing processes As the clay material wears away it exposes new sharp edges of the imbedded silicon carbide material All stones have the identical 2 x 2 X 4 dimensions and are secured to the machine by the use of a plastic wedge FIGURE 4 The designation system for the grinding stones utilizes a system similarly utilized for most abrasive products the larger the number the finer the grain structure and usually the smoother resulting finish a The C06 and C10 coarse grade stones are the most popular utilized stones and result in maximum material removal rates They are utilized for general grinding and the removal of trowel marks high spots and rough sections on concrete surfaces The average service life is approximately 4 to 10 hours b The C24 medium grade stone will result in lower material removal rates It is utilized for finer finish grinding of concrete and rough grinding on terrazzo and other types of stone floor configurations The average service life is approximately 6 to 10 hours The C80 fine gra
64. ion less operator fatigue and increased component service life FIGURE 38 SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 26 b Higher material removal rates sometimes achieved by making a series of shallow passes 90 degrees to each other to form waffle like pattern This technique is especially useful when removing deeper accumulations of rubber paint dirt debris etc from industrial floors 5 The grinding process on many work surface materials can produce sparks dust and other foreign particle contamination SPARKS PRODUCED BY THE ACTIONS OF MULTI ACCESSORY OPTIONS AGAINST THE WORK SURFACE FOR EXAMPLE STRIKING ANCHOR BOLTS MAY COME IN CONTACT WITH MATERIALS THAT CAN RESULT IN A FIRE AND OR EXPLOSION THIS OCCURRENCE CAN RESULT IN PROPERTY DAMAGE AND OR PERSONAL INJURY THE CREATION OF DUST AND OTHER FOREIGN PARTICLE CONTAMINATION FROM THE OPERATIONAL PROCESS CAN RESULT IN PROPERTY DAMAGE AND OR PERSONAL INJURY FOR SUCH OPERATING CONDITIONS ALWAYS WEAR A NIOSH MSHA APPROVED DUST MIST RESPIRATOR CONSULT APPLICABLE OSHA REGULATIONS FOR SPECIFIC INFORMATION 6 Dustand other particle contamination can be controlled by the following methods The SURFACE GRINDER is equipped with a 3 inch outside diameter vacuum tube adaptor located at the rear of the machine An industrial type vacuum system and front shield assembly can be attached to the SURFA
65. is exactly twice as flat as an Ff25 floor Most F number specifications are written in a two tier format The overall F numbers apply to the floor taken as a whole The local F numbers apply to each individual slab and are usually only one half to two thirds the overall values The overall F numbers are not just simple averages ASTM E1155 covers how to combine F numbers The two tier format encourages contractors to achieve good surface regularity while allowing for minor defects The attempt is to pour the entire floor to the specified overall F numbers If for instance the construction crew has a bad day and fails to meet the specified overall numbers for the slab the slab can still be accepted provided it meets the specified local numbers ouch an occurrence serves as a warning to the crew that it must strive for a better performance on later slabs so as to bring the overall F numbers up to the specified values If a slab fails to meet even the specified local numbers it must be repaired or replaced but such failures seldom occur if all parties understand what is expected from the start Designers are not obligated to use this two tier format Some designers specify a single F number pair Ff and LI which applies to each individual slab But this also raises the risk that slabs will be rejected FIGURE 40 depicts the overall and minimum F numbers for various floor classes The floor classification is from the American Concrete
66. l number of work hours but it usually eliminates the need for work at overtime rates which can substantially increase total project costs One side benefit of early age grinding is that the process demands less skill than conventional floating and trowelling This makes it an attractive process where skilled crew personnel may not be available It is also an excellent procedure for concrete floors that will be eventually covered by carpet or an applied coating Definitions of floor flatness and levelness The terms flatness and levelness have poorly understood meanings in everyday speech but have important distinctions in floor construction Flatness is defined as planarity or lack of curvature A more simple definition is that a flat floor is smooth and free of bumps and dips unflat is bumpy and wavy Levelness is defined as horizontality or lack of slope A level floor is horizontal A floor that is unlevel is sloped or tilted A floor can be flat but still not level Some floors are specifically designed to be unlevel they can be intentionally sloped for drainage considerations Very few if any floors are specifically designed to be unflat Unfortunately many turn out that way Flatness and levelness are both desirable SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 28 ASSEMBLY INSTRUCTIONS OPERATIONS but have different implications for the floor user Flat
67. l removed the material removal rate and the resulting flatness and smoothness of the surface The grinding process is directly controlled by these conditions 1 The use of a suitable mechanism multi accessory attachment of proper design and configuration to grind the work surface and remove material while delivering acceptable service life 2 Sufficient static weight supporting the multi accessory attachment to allow it to effectively penetrate the work surface and remove material 3 Adequate horsepower capable of propelling the multi accessory attachment against the work surface to deliver acceptable productivity rates Since no two materials are exactly alike no two work surface materials can be penetrated and removed by the exact same method The nature of the grinding process along with operator experience skill and common sense would suggest that efficient and productive material removal is a matter of trial and error Combinations of multi accessory attachment type condition and feed rate are direct factors that will also determine the overall success of the job application MULTI ACCESSORY ATTACHMENTS AND APPLICATIONS While individual multi accessory attachment design and configuration may vary basic operational characteristics are identical impact upon a work surface material and remove a percentage of the material This common operational characteristic has led to the development of the following popular mult
68. lf locking hardware with genuine factory approved replacement parts only 8 Consult the material supplied by the electric motor manufacturer for specific information relative to proper operational lubrication and storage requirements SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 11 ASSEMBLY INSTRUCTIONS OPERATIONS Assembly The SFG10E SURFACE GRINDER is shipped from the factory secured on a specially designed wooden pallet and protected from external damage by a corrugated carton or wood crate If shipped with a corrugated carton the SURFACE GRINDER can be secured to the pallet by wood laths nailed to the pallet body Remove the carton or crate immediately upon receipt using suitable tools to remove the nails REMOVING THE SURFACE GRINDER FROM THE PALLET Tools Required 1 set of pliers 1 claw hammer or a hammer and an appropriate pry bar The SURFACE GRINDER is secured to the pallet with steel banding Using the pliers cut and remove the banding The SURFACE GRINDER can then be removed from the pallet WEAR SAFETY GLASSES AND OTHER APPROPRI ATE SAFETY APPAREL WHEN CUTTINGTHE STEEL BANDING AND OR REMOVING THE CORRUGATED WOOD SHIPPING CRATE Visually inspect the shipment for freight damage and or missing parts If shipping damage is evident contact the delivering carrier immediately to arrange for an inspection of the damage by their claims representative
69. lleys for wear and proper alignment Many loose materials created as a result of operating processes can be extremely abrasive 3 Keep the SURFACE GRINDER clean Wash the unit after each use Determine that the interior sections of the frame are free of material build ups Such build ups can restrict the operating process and present a potential safety hazard Clean and remove any material build up from the SURFACE GRINDER after each use 4 Remove material accumulations from the exterior surfaces of the electric motor The electric motor is a totally enclosed fan cooled TEFC design Keep the fan fins clear of material accumulations to enhance airflow over the motor exterior for cooling purposes DO NOT PERFORM PREVENTATIVE MAINTENANCE CHECKS WITH THE ELECTRIC MOTOR RUNNING STOPTHE POWER SOURCE AND DISCONNECT THE SPARK PLUG OR EXTENSION CORD BEFORE PER FORMING ANY MAINTENANCE TO THE SURFACE GRINDER TURNTHE ON OFF SWITCHTOTHE OFF POSITION BEFORE RECONNECTING THE EXTEN SION CORD IMPROPER PROCEDURES CAN RESULT IN PROPERTY DAMAGE AND OR PER SONAL INJURY CHECKING V BELT TENSION AND ALIGNMENT Proper V belt tension and alignment are essential for smooth transmission of horsepower and extended service life Improper tension and alignment will accelerate V belt wear and contribute to decreased productivity The V belt is tensioned at the factory with the maximum recommended tension force Check the belt tension at least two times
70. m the aluminum disc when direct contact with a foreign object is made 6 Determine that the multi accessory attachment is in full contact with the aluminum disc II not in proper contact refer to REMOVING A MULTI ACCESSORY ATTACHMENT not including multi segmented dry diamond blades FROM THE ROTATING DISC for proper removal procedures DO NOT OPERATETHE SURFACE GRINDER WITHTHE 7 Return the SURFACE GRINDER to its normal operating 229019 017 MOUNTING WEDGES IN AN IMPROPER position MOUNTING CONFIGURATION MOUNTING AWEDGE 206 BETWEEN THE MULTI ACCESSORY 8 If the machine is to be used immediately reconnect ANDTHE OUTSIDE RIB OFTHE ALUMINUM DISC CAN the extension cord or SURFACE GRINDER to the power ALLOW THE WEDGE TO COME IN DIRECT CONTACT source Determine that the ON OFF switch located on WITH AVERTICAL WALL AND OR FLOOR OBSTRUC SUCH OCCURRENCE CAN RESULT LOSS OF MACHINE CONTROL PROPERTY DAMAGE AND OR PERSONAL INJURY DANGER BEFORE OPERATINGTHE SURFACE GRINDER WITH MOUNTING WEDGE EXTENDS BEYONDTHE NORMAL PERIMETER OF THE ALUMINUM DISC SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 21 ASSEMBLY INSTRUCTIONS OPERATIONS REMOVING A MULTI ACCESSORY ATTACHMENT not including multi segmented dry diamond discs FROMTHE ROTATING DISC Tools Required 1 Small Hammer 1 Drift Punch or Small Pry Bar WHEN REMOVING A
71. mbols All items with same unique symbol 96 or gt inthe number column belong to the same assembly or kit which is indicated by a note in the Remarks column Duplicate Item Numbers Duplicate numbers indicate multiple part numbers are in effect for the same general item such as different size saw blade guards in use or a part that has been updated on newer versions of the same machine When ordering a part that has more than one item number listed check the remarks column for help in determining the proper part to order PART NO Column Numbers Used Part numbers can be indicated by a number a blank entry or TBD TBD To Be Determined is generally used to show a part that has not been assigned a formal part number at time of publication A blank entry generally indicates that the item is not sold separately or is not sold by Multiquip Other entries will be clarified in the Remarks Column QTY Column Numbers Used Item quantity can be indicated by a number a blank entry or A R A R As Required is generally used for hoses or other parts that are sold in bulk and cut to length A blank entry generally indicates that the item is not sold separately Other entries will be clarified in the Remarks Column REMARKS Column Some of the most common notes found in the Remarks Column are listed below Other additional notes needed to describe the item can also be shown Assembly Kit
72. me types of debris especially when lodged in vehicle wheels wear can be immediate and Severe The SFG10E SURFACE GRINDER can be utilized with a number of multi accessories to clean and extend concrete floor service life The SCRAPE R TACH floor coatings removal system readily removes food oil and rubber accumulations from high traffic floor areas The Clean Sweep silicon impregnated rotary brushes along with a biodegradable detergent applied to floors removes ground in dirt and debris from shop and industrial floors Dry diamond segmented discs and blocks can be utilized to remove surface imperfections SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 30 ASSEMBLY INSTRUCTIONS OPERATIONS Maintenance Service PREVENTATIVE MAINTENANCE CHECK LIST The normal operation of the SURFACE GRINDER produces extreme dirt and dust along with levels of random vibration Before operating the SURFACE GRINDER the following service list should be accomplished This list is for reference only and is not intended to be all inclusive Other subject areas can be added at the discretion of the owner s and or operator s 1 Check all fasteners for proper torque values If a fastener requires re torquing consult a torque chart for proper value Properly discard and replace any worn fastener with a factory approved replacement part 2 Check the V belts for wear Adjust or replace as necessary Check pu
73. n 4 Forcea Mounting Wedge P N 229019 017 into the area between the multi accessory attachment and the inside rib of the aluminum disc by hand The straight side of the mounting wedge contacts the multi accessory attachment The angled side of the mounting wedge contacts the rib of the disc FIGURE 26 An improper mounting configuration is depicted in FIGURE 27 SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 20 ASSEMBLY INSTRUCTIONS OPERATIONS 5 Using a hammer strike the wider side of the mounting wedge with controlled direct blows to firmly seat the multi accessory attachment into the aluminum disc Usually one or two direct blows will be sufficient to properly retain the attachment AT i E 122 z d gt Do not apply excessive impact force to mounting wedge to cause splitting Once the multi accessory attachment is seated in the aluminum disc further impact force on the wedge will not increase the seating force FIGURE 26 Improper seating force created by an excessive blow to the mounting wedge will not allow the attachment to properly release from the aluminum disc if direct contact with a foreign object is made Such occurrence can result in property damage and or personal injury The correct seating force for a specific job application is that which is sufficient to retain the attachment yet still allows it to release fro
74. n approach several hundred hours The nominal dimensions for the tungsten carbide grinding block is 2 x 2 x 4 and is secured to the machine with a plastic wedge FIGURE 5 FIGURE 5 Scarifier Blocks These multi accessory attachments are comprised of flails and spacer washers secured a rigid steel case FIGURE 6 Rotation of the multi accessory disc causes the flails to impact against the work surface with a variety of results Scarifier blocks are secured to the machine with plastic wedges oeveral factors directly affect the selection of a flail design for a specific job application a The type and amount of material to be removed from the work surface Materials of higher yield and tensile strengths along with the actual volume of material to be removed will generally be the first factors under consideration b Purchase cost versus service life The original purchase cost of plain heat treated steel flails must be compared against the substantially higher costs of the tungsten carbide insert flails turn these costs must be compared to anticipated service life All flails will eventually wear to the point of requiring replacement The amount of unproductive time spent to replace worn flails on a job can be substantially greater than the actual replacement cost of many flails It then becomes a balance between purchase cost productivity service life and labor cost Surface finish and texture The finest graine
75. ncrete removal rates can be achieved with the use of multi segmented dry diamond discs FIGURE 21 These discs are designed to operate dry or can also be utilized with water If the wet option is chosen an external source for providing water must be devised No provision for water use is provided with the SURFACE GRINDER Typical discs are approximately 10 inch diameter and feature up to 20 diamond segments that are welded or brazed to each assembly To install the multi segmented dry diamond disc the standard aluminum multi accessory disc is first removed from the SURFACE GRINDER The diamond disc fastens directly to the gimbal head with 3 8 inch diameter x 1 inch long Allen head capscrews FIGURE 22 The rear wheel assembly is then placed in the lowest position to compensate for the thickness variance of the diamond discs FIGURE 23 FIGURE 21 FIGURE 22 SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 19 ASSEMBLY INSTRUCTIONS OPERATIONS FIGURE 23 Diamond Segment Block The diamond insert block is designed to compliment the multi segmented diamond disc where a quick changeover feature to other attachments is desired Diamond segments are retained into a steel block assembly and deliver up to 5 times greater productivity rates than the silicon carbide stones FIGURE 24 The design resists clogging while delivering a conservative service life up to 15 times longer t
76. ned in the appropriate section of this manual 3 Always stop the electric motor and disconnect the power source cable BEFORE checking or working on the SURFACE GRINDER 4 Always properly maintain the SURFACE GRINDER Frequently check all fasteners and individual parts Built in safety features are effective only if they are maintained in good working condition Replace any questionable part or assembly with a genuine factory approved replacement part Do not forsake proper maintenance for the price of a few replacement parts Proper maintenance does not cost it actually pays dividends Do not attempt any maintenance repair work not described in this manual Have such work performed at your dealer s service facility 5 Donot operate the SURFACE GRINDER without the use of factory approved V belt and diamond blade guards that are maintained in proper structural condition Frequently inspect the guards for signs of wear cracks and other signs of fatigue If there is any question regarding the structural integrity and or condition of the belt guard properly dispose and replace with a genuine factory approved replacement part only 6 Maintain all safety and operation decals in proper condition If any decal becomes damaged and or unreadable replace with a genuine factory approved replacement part only 7 The SURFACE GRINDER utilizes many self locking type hexagon head nuts to minimize the effects of vibration Replace all se
77. ness is critical where the user s main concern is the behavior of wheeled type vehicles Levelness is critical where the user s main concern is with fixed structures such as shelving racks and the placement of machine tools Exceptions exist but for most users flatness is more important than levelness The reasoning is that fixed equipment can be shimmed or adjusted to compensate However it is not as easy to adapt a wheeled vehicle to a floor that is not flat enough to allow for proper action Flatness and levelness also have different implications for the floor contractor Flatness is determined mainly by finishing methods Levelness is determined mainly by the side forms Defined Versus Random Traffic Patterns Floors are subject to two kinds of traffic patterns defined and random On a defined traffic floor vehicle movement is confined to fixed paths On a random traffic floor vehicles are free to roam though inevitably some traffic patterns are used more than others The distinction is important because the two kinds of traffic demand different methods of measuring surface regularity On a defined traffic floor a continuous or nearly continuous profile in each of the paths can be measured But where traffic is random the possible travel paths are infinite in number What usually results is statistical sampling selected points or lines are checked and assumed that they represent the whole floor surface The highest degre
78. nt or approved equivalent 1 Disconnectthe extension cord or SURFACE GHINDER from the power source 2 Position the SURFACE GRINDER on a suitable work bench with the multi accessory disc at waist level Remove the belt guard from the main frame Clean the inside of the belt guard with an appropriate safety solvent Check for signs of wear and damage Secure in a proper storage area CAUTION Observe all applicable safety precautions for the solvent 4 Tilt the SURFACE GRINDER back until the operator handle comes in contact with the surface Appropriate wheel chocks are recommended 5 Utilizing the Allen wrench remove the affected aluminum multi accessory disc if still attached from the SURFACE GRINDER 6 Utilizing the 9 16 inch wrenches remove the cap screws that retain the Lord rubber mounts to both the mounting plate and transmission shaft 7 Inspect the appropriate cavities in the mounting plate for wear and damage Any nick or burr must be removed by the use of an appropriate file followed by the use of 240 grit sandpaper 8 Apply the installation lubricant to the exterior surface of the elastomeric mount to minimize damage when pressing into the mounting disc If the factory supplied lubricant is not available an acceptable alternative is the use of common liquid soap SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 33 MAINTENANCE SERVICE
79. or s head s where there is a danger of head injuries Noise generated by the SURFACE GRINDER and the actual process itself can damage your hearing Wear approved sound barriers ear plugs or ear mufflers to protect your hearing Continuous and regular operators should have their hearing checked regularly Visually inspect the SURFACE GRINDER components tools and accessories for damaged or worn parts BEFORE each use a Disconnect the power source cable b Clean and remove all accumulated foreign matter from the wheels and determine that each rotates freely c Clean and remove all accumulated foreign matter from inside the mainframe area d Inspectthe V belt drive for proper tension wear and general condition Replace each component as necessary e Inspect the multi accessory disc and gimbal head assembly for excessive wear and structural integrity Replace each component as necessary The multi accessory disc rotating at high speed during the specific process can be subject to high wear rates if the installed attachment is not properly maintained and or replaced at regular service intervals f Determine that operator controls work freely all safety devices are operative and information decals are readable 0 Check to see that the SURFACE GRINDER and all related accessories are in good mechanical condition BEFORE utilization h Reconnect the power source cable as applicable Contact appropriate representati
80. other WARRANTY DEPARTMENT Common nuts bolts and washers all items under 1 00 800 421 1244 EXT 279 FAX 310 537 1173 list price do not count towards the 10 line items 310 537 3700 EXT 279 STOW NOTE DISCOUNTS ARE SUBJECT TO CHANGE Direct TOLL FREE access STOW CONSTRUCTION EQUIPMENT to our Parts Department A DIVISION OF MULTIQUIP INC POST OFFICE BOX 6254 CARSON CA 90749 Toll free nationwide 800 427 1244 888 252 STOW 888 252 7869 310 537 3700 FAX 310 537 1986 FAX 800 556 1986 Toll free FAX 800 6 L S 7 800 672 7877 E MAIL stow 9 multiquip com INTERNET www stowmfg com SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 4 5 IF YOU READ DO FULLY UN DERSTAND THE CONTENTS OF THIS MANUAL PLEASE CONTACT THE FACTORY FOR PROPER ASSISTANCE BEFORE OPER ATE THIS PRODUCT SI TU NO PUEDES LE ER O NO COMPRENDES EL CONTENIDO DE ESTE MANUAL FAVOR DE PONERSE EN CONTACTO CON LA FABRICA PARA ASSISTENCIA A PROPIA ANTES DE INTENTAR PARA OPERAR ESTE PRODUCTO SOLLTEN SIE DIESE GEBRAUCHSANWEISUNG NICHT LESEN KOENNEN ODER ES NICHT VOLLKOMMEN VERSTEHEN WENDEN SIE SICH BITTE AN DEN HERSTELLER FUER RICHTIGE HILFE EHE SIE VERSUCHEN DIESES PRODUKT ZU OPERIEREN SI VOUS NE LISEZ OU NE COMPRENDRE ENTIEREMENT LES MATIERES DE CE MANUEL S IL VOUS PLAIT CONTACTEZ L USINE POUR L
81. rations With continuous use the flat wire will take a set that can limit effectiveness and overall productivity FIGURE 13 For best results flat wire brushes should be rotated end for end in the aluminum multi accessory disc a minimum of once for every one hour of operation External weight applied to the SURFACE GRINDER will not normally increase productivity rates and only accelerate flat wire wear rates gt a FIGURE 13 Floor Brushes Eleven inch diameter silicon carbide impregnated floor brushes are available in a number of styles and designs for general maintenance and cleaning projects FIGURE 14 They are especially effective cleaning soiled concrete floors with the addition of water soluble solvents These types of brushes are directly mounted to the multi accessory disc with the included 1 2 inch x 2 inch long Grade 5 capscrews A kidney shaped drive plate is provided on the back side of the brush This drive plate fits into a recess provided in the multi accessory disc FIGURE 15 FIGURE 14 FIGURE 15 SCRAPE R TACH Industrial Floor Coatings Removal System This multi accessory attachment is designed to remove many urethanes epoxies paints mastics and other similar material accumulations from concrete floor surfaces FIGURE 16 Each assembly utilizes two tungsten carbide Inserts setata precise angle The rotating inserts cut and shave against the work surface material with scraping
82. rations that can lead to property damage and or personal injury If there are any questions about possible modifications made to the SURFACE GRINDER contact the Customer Service Department for specific information BEFORE utilization There is no charge for this service Do not operate the SURFACE GRINDER without the use of the original equipment V belt guard Use of the SURFACE GRINDER without an approved belt guard can lead to property damage and or personal injury Minors should never be allowed to operate the SURFACE GRINDER Bystanders especially children and animals should not be allowed in the area where the SURFACE GRINDER is in use The grinding process can result in flying particles being emitted at high velocity and striking the operator and or onlookers This can lead to the possibility of property damage and or personal injury Keep all body parts loose clothing foreign objects and onlookers clear of the rotating disc multi accessory attachments and flying particles Operators must be in adequate physical condition mental health and not under the influence of any substance drugs alcohol etc which might impair vision dexterity or judgment Working with the SURFACE GRINDER is strenuous If you have any condition that might be aggravated by strenuous work check with your doctor BEFORE operating the SURFACE GRINDER Guide against the possibility of back related injuries Always lift the SURFACE GRINDER with leg muscles
83. rough hole design 3 Index the insert to expose a new edge Reinstall the capscrew and apply a torque value that properly seats the insert firmly against the body of the unit SFG10E ELECTRIC SURFACE GRINDER OPERATION AND PARTS MANUAL REV 1 07 16 07 PAGE 18 ASSEMBLY INSTRUCTIONS OPERATIONS An insufficient seating torque value will allow the insert to become loose from the unit body resulting in premature component wear and improper scraping action An excessive torque value will strip the threads of the capscrew or unit body 4 Determine that the unit body is free to rotate about the 5 16 inch diameter capscrew that retains the body to the unit A body that does not freely rotate indicates that a material build up exists between the rubber mount and retaining capscrew exits This build up must be removed by disassembling the body from the unit and cleaning all contact areas with the safety solvent FIGURE 20 The SCRAPE R TACH system is designed to be installed with the edge of the tungsten carbide inserts facing the direction of rotation Markings are provided to indicate proper direction of rotation FIGURE 20 Installing the SCRAPE R TACH system with the tungsten carbide inserts facing opposite the rotation direction will not deliver satisfactory material removal rates and result in premature component wear requiring early replacement Multi Segmented Dry Diamond Disc Many times increased co
84. siderations it is also recommended that the extension cord be disconnected from both the SURFACE GRINDER and electric power source whenever the SURFACE GRINDER is not in use on the jobsite OPERATIONAL PARAMETERS AND TECHNIQUES FOR THE SFG10E SURFACE GRINDER Early Age Grinding Early age grinding is an alternative to floating and trowelling It gets it name from the fact that the concrete is ground at an early age after it has set but before it has gained much structural strength The process usually involves the following steps Normal screeding of the floor NO Smoothing the floor surface with a skip float Cover the floor with polyethane sheeting Removing the sheeting and grinding the floor down uniform depth of approximately 1 32 inch within 24 to 48 hours of the initial pouring The C06 and C10 silicon carbide grinding stones are usually used for the process although the multi segmented dry diamond blades can be use as an alternative with substantially greater productivity rates The main benefit of early age grinding is that it eliminates late work in cold weather With ordinary finishing methods a slab cast in the morning of a cold weather day might not get finished trowelled until very late at night With grinding the construction crew are able to leave the job at the end of a normal work day and return 1 or 2 days later to finish the job Early age grinding may not reduce the tota
85. t alignment is checked with the straightedge Place the straightedge squarely against the transmission pulley Properly aligned pulleys should also place the straightedge squarely against the motor pulley Remove the straightedge and rotate the motor pulley 120 degrees FIGURE 42 Recheck alignment with the straightedge Repeat the process until the motor pulley is rotated a full 360 degrees Maximum allowable misalignment is 1 32 inch II pulley alignment is not within specifications refer to INSTALLING A REPLACEMENT V BELT for specific information 6 Install the belt guard to the main frame Determine that all safety related decals affixed to the belt guard are fully readable If any decal is not fully readable replace with a factory approved replacement part only 7 I machine is to be used immediately reconnect the extension cord or SURFACE GRINDER to the power source Determine that the ON OFF switch located on the operator handle is in the OFF position DANGER UNEXPECTED MACHINE START UP CAN RESULTIN PROPERTY DAMAGE AND OR PERSONAL INJURY FIGURE 42 INSTALLING A REPLACEMENT V BELT OR PULLEY Tools Required 2 1 2 wrenches 1 16 inch minimum length straightedge 1 10 16 minimum capacity tension scale or belt tension tool 1 belt tension tool Parts Required 1 V Belt P N SFB45 1 Pulley Assy P N SFSG120400 1 Position the SURFACE GRINDER on a suitable work surface with the V belt approximat
86. te and asphaltic surfaces 3 Removing thick material build ups of greases paints oils vegetable powders and some resins from floors 4 Light scarifying prior to the application of coatings toppings or sealers COST 1 PRODUCTIVITY 3 SERVICE LIFE 1 The star flail should be replaced when the outside diameter is worn to approximately 1 5 16 inch or the inside diameter elongates to approximately 3 4 inch Beam Flail The beam type flail is manufactured from high carbon steel that is through hardened for additional service life It is highly effective for scabbling or scarifying and delivers medium to coarse surface finish texture FIGURE 8 FIGURE 8 Suggested Applications 1 Medium duty asphalt and concrete scarifying 2 Descaling steel decks 3 Removing thick material build ups of greases paints oils vegetable powders and some resins from floors 4 Dried fully cured carpet and tile adhesive removal COST 1 PRODUCTIVITY 5 SERVICE LIFE 2 The beam flail should be replaced when the outside diameter is worn to approximately 1 5 16 inch or the inside diameter elongates to approximately 3 4 inch Pentagonal Flail The pentagonal type flail is manufactured from high carbon steel that is through hardened for additional service life Each section of the five sided design features a small tungsten carbide insert that is held in position with copper brazing It is highly effective for scabbling or scarifying and d
87. tification pending instructions II a reply is not received within 30 days the material will be returned to the sender at his expense with no credit issued PRICING REBATES AND SPECIFICATIONS Every effort will be made to provide adequate notice of changes however prices and equipment specifications are subject to change without notice Price changes are effective on a specific date and all orders received on or after that date Will be billed at the revised price Rebates for price reductions and added charges for price increases will not be made for stock in dealer inventory at the time of a price change STOW reserves the right to quote and sell direct to Government agencies and to Original Equipment Manufacturer accounts who use our products as integral parts of their own products LIMITATION OF SELLER S LIABILITY STOW shall not be liable hereunder for damages in excess of the purchase price of the item with respect to which damages are claimed and in no event shall STOW be liable for loss of profit or good will or for any other special consequential or incidental damages LIMITATION OF WARRANTIES There are no warranties express or implied made by STOW hereunder on Products manufactured or distributed by it except the warranty against defects in material and workmanship on new Products to the original purchaser as set forth in the STOW New Product Limited Warranty SFG10E ELECTRIC SURFACE GRINDER OPERA
88. to wire and operate the electric motor from a clean 20 Ampere 115 Volt AC power source in conjunction with a ground fault circuit interrupter GFCI A GFCI is a safety device that disconnects power from a circuit to a load when a potentially dangerous condition occurs The GFCI opens the circuit when the fault current flow from a power line to a ground exceeds the safe limit for humans The GFCI protects against harmful electrical shock to a person caused by contact with a defective electrical product A GFCI differs from a fuse or circuit breaker A fuse or circuit breaker opens the circuit when the total current flow in the power line exceeds the safe limit of the power line They are designed to protect against fire caused by overheating of the power line Use of a GFCI gives on the job protection from electrical shock hazards caused by ground faults in commercial industrial and residential applications They are simple and easy to use plug a portable GFCI into any suitable grounded extension cord and plug the SURFACE GRINDER into the for automatic protection against ground faults For specific information consult current National Electrical Code publications and OSHA publications 210 22D or current revision for construction sites and 555 3 or current revision for use around any area containing water Never exceed the recommended capacities of the SURFACE GRINDER Refer to the Specifications sections of this manual for
89. truction from the undersigned instructor s in accordance to OSHA 29 CFR 1926 21 b 2 and or applicable updated revisions pertaining to but not necessarily limited to the 1 2 3 READING COMPREHENSION AND ACKNOWLEDGEMENT OF THE MATERIAL COM PRISING THE ENTIRE CONTENTS OF THE APPLICABLE OPERATOR MANUAL FORMALIZED OPERATOR SAFETY PROGRAMTO BE DEVISED BY THE OWNER OF THE SURFACE GRINDER IN CONJUNCTION WITH THE CON TENTS OF THE APPLICABLE OPERATOR MANUAL ANDTHE APPLICABLE MATERIAL INCLUDED IN THE NATIONAL ELECTRICAL CODE OSHA AND NATIONAL ELECTRIC CODE RULES AND REGULATIONS RESEARCHED FOR AND OR BY THE OWNER OF THE SURFACE GRINDER AND DEEMED APPLICABLE TO THE SAFE AND PROPER USE AND OR OPERATION OF THE SUR FACE GRINDER FOR ANY SPECIFIC JOB APPLICATION _ Operator _ Operator Operator Operator Operator _ Operator 4 5 6 LOCAL LAWS REGULATIONS AND CUSTOMS RESEARCHED FOR AND OR BY THE OWNER OF THE SURFACE GRINDER AND DEEMED APPLI CABLETOTHE SAFE AND PROPER USE AND OR OPERATION OF THE SURFACE GRINDER FOR ANY SPECIFIC JOB APPLICATION FORMALIZED MAINTENANCE PROGRAM FOR THE SURFACE GRINDER TO BE DEVISED BY THE OWNER OF THE SURFACE GRINDER IN ACCOR DANCE WITH BUT NOT NECESSARILY LIMITED TO THE SPECIFICATIONS GUIDELINES AND OPERATIONAL INFORMATION CONTAINED INTHE APPLICABLE OPERATOR MANUAL COMPREHENSIVE OPERATIONAL INSTRUC TIONS FORTHE CORRECT AND PROPER USE OF TH
90. uip UK Limited Head Office Hanover Mill Fitzroy Street Ashton under Lyne Lancashire OL7 OTL Contact sales multiquip co uk BRAZIL Multiquip Av Evandro Lins e Silva 840 grupo 505 Tel 011 55 21 3433 9055 Barra de Tijuca Rio de Janeiro Fax 011 55 21 3433 9055 Contact cnavarro multiquip com br srentes multiquip com br Tel 0161 339 2223 Fax 0161 339 3226 PARTS DEPARTMENT 800 427 1244 FAX 800 672 7877 SERVICE DEPARTMENT TECHNICAL ASSISTANCE 800 478 1244 FAX 310 631 5032
91. ves to determine if where electrical cables gas lines and other hazardous items are buried under the work surface BEFORE utilization The SURFACE GRINDER and related accessories are not insulated Contact with buried 10 11 12 13 bu A N 5 electrical cables gas lines and other hazardous items can result in electrocution and or an explosion Know how the controls operate Know how to stop the electric motor quickly in an emergency Always start the electric motor according to the instructions as outlined in this manual to minimize the possibility of unexpected contact with the work surface Unexpected contact with the work surface can cause loss of machine control and the possibility of property damage and or personal injury Ground the electrically powered SURFACE GRINDER motor securely Determine that any grounding wire and or device is in fact properly grounding the motor Failure to properly ground the motor may cause an electrical shock and or electrocution resulting in property damage and personal injury including death Electrical wiring and all connections should be performed by a qualified electrician The electric motor is designed to operate from a 115 AC power source When operating the SURFACE GRINDERs on a surface containing water or other electrically conducting liquid special precautions must be taken to minimize the possibility of operator electrocution Once such precaution is
92. y should only be attempted by operators of adequate physical size and stature mental awareness and physical strength and condition The body parts most noticeably affected during any specific process are the arms hands wrists shoulders lower back and legs The process can also produce excessive stress strain directly to the back muscles spinal vertebrae and many other body parts Back related pain can be a side effect of utilizing a SURFACE GRINDER An operator with a chronic back related problem or a history of back and or other medically related problems should not attempt to utilize the SURFACE GRINDER Use of the SURFACE GRINDER may only aggravate this and any other medically related problem Because of the diverse type of prevailing job applications job site conditions operator experience levels and operator physical characteristics no warranty guarantee representation and or liability is made by the manufacturer as to the absolute correctness or sufficiency of any operational procedure operational position and or technique There is no absolute guarantee that an operator of any given experience level physical size and or physical condition will be immune to the possibility of and or probable physical side effects of the normal use of the SURFACE GRINDER Each potential operator must be made aware of and assume the operational and physical liability described and or associated with the use of the SURFACE GRINDER Improper us

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