116 & 136 RAB SI - Apex Power Tools
Contents
1. Front Side Exhaust ALL MODELS Backhead 202105 202106 Model No Part No 116G 135A 202329 y 116G 165A 202107 ip i 136G 135A 202331 869855 U 136G 165A 202110 845409 947808 136G 150A 203966 202104 869712 202103 846664 203043 Rear Exhaust 869489 Extended Backhead a 165A C 204145 135A W 204205 135A D 204205 FRONT SIDE EXHAUST MODELS 847272 165A W 204144 165A D 204144 Bes 869844 202287 869845 202288 869850 863454 REAR EXHAUST MODEL 844309 Rear Exhaust Do 833188 135 202216 165A C 165A W 165A D PartNo Name of Part Gty PartNo Name of Part 202221 202217 202217 202103 202104 202105 202106 202107 202110 202216 202221 202287 202288 202329 202331 203043 203966 833188 Inlet Bushing Throttle Valve Pin incl 869712 Toggle Lock off Lever Backhead incl 846664 Backhead incl 846664 Backhead incl 846664 Backhead incl 846664 Inlet Bushing 833300 Throttle Valve Backhead incl 846664 Backhead incl 846664 Inlet Screen Backhead incl 846664 Throttle Valve Spring a bh bh bh 833300 844309 845409 846664 847272 847767 847808 863454 863880 869489 869712 869844 869845 869850 869855 COMPLETE HANDLE SUBASSEMBLIES Inlet Screen O Ring 7 16 X 5 8 Toggle Pin Throttle Pin Bus2. e Use quality accessories the primary source of vibration when using a grinder is an accessory that is out of balance out of round untrue or possibly any combina tion of all three avoid excessive overhang of accessory in collet e Use carbide burrs that are sharp as dull burrs require more force and effort to remove material e Keep tool well maintained and replace worn parts a preventive maintanance program with scheduled inspec tions is highly recommended Work gloves with vibration reducing liners and wrist supports are available from some manufacturers of industrial work gloves Tool wraps and grips are also available from a number of different manufacturers These gloves wraps and wrist Supports are de signed to reduce and moderate the effects of extended vibration exposure and repetitive wrist trauma Since they vary widely in design material thickness vibration reduction and wrist support qualities it is recommended that the glove tool wrap or wrist support manufacturer be consulted for items designed for your specific application WARNING Proper fit of gloves is important Improperly fitted gloves may restrict blood flow to the fingers and can substantially reduce grip strength USE QUALITY ABRASIVE WHEELS The primary source of vibration when using a portable grinder is an abrasive wheel that is out of balance out of round untrue or possibly any combination of all three The use of quality abrasive wheels whi
3. amp 136 EXTENDED RIGHT ANGLE HEAD Side Exhaust Deflector 867926 Type Tool Part No Side Exhaust Only Type 18 27 202203 par Positioning MRE Collet 202204 pacers 863926 005 a 847234 869559 010 869560 020 899094 02625 202235 202236 o Jcro ekk NS 202198 a 3 S OL m Front Exhaust Deflector 7 I Type Tool Part No 202223 Muffler Type 1 amp 27 202207 202196 865991 Model Part No Collet 202208 203409 116 202338 TYPE 1 WHEEL 1 4 Maximum Wheel Thickness 136 869452 3 8 24 Spindle E EO me 0 i we 849022 202199 202201 200197 TYPE 27 WHEEL 202225 8 24 Stub Spindle oa 849837 O m aa DS NE 9 16 11 16 202195 4 st 847803 AN Integral Collet 200 series 5 8 3 4 mL gt 10 El nis 202859 849834 Collet Size Part No Aue Guard 3 16 865423 5 O Size Part No 6mm 864158 O 3 202226 1 4 847811 T 5 16 865501 2 20222 3 8 847805 PARTNO PARTNO NAME OF PART NAME OF PART 202193 202194 202195 202196 202197 202198 202199 202201 202203 202204 202207 202208 202223 202225 202226 202227 202235 202236 202333 202338 202624 202625 202859 202860 Angle Head 3 8 24 Spi
4. carefully considered and the tool chosen that will minimize the stresses on the operator that can lead to the onset of cumulative trauma disorders Some tasks require more than one type of tool to obtain the optimum operator tool task relationship Cleco has a complete selection of tools including vertical straight angle and extended grinders that make possible the correct ergonomic match of the operator tool and task The following suggestions will help reduce or moderate the effects of repetitive work motions and or extended vibration exposure Safety Recommendations e Use a minimum hand grip force consistent with proper control and safe operation e Keep body and hands warm and dry cold weather is reported to be a major factor contributing to Raynaud s Syndrome e Avoid anything that inhibits blood circulation Smoking Tobacco another contributing factor Cold Temperatures Certain Drugs Avoid OK Avoid Avoid OK Avoid re N L Extension Neutral Flexion Radial Deviation Neutral Ulnar Deviation e Tasks should be performed in such a manner that the wrists are maintained in a neutral position which is not flexed hyperextended or turned side to side e Stressful postures should be avoided select a tool appropriate for the job and work location e Avoid highly repetitive movements of hands and wrists and continuous vibration exposure after each period of operation exercise to increase blood circulation
5. grinding process Cleco grinders are designed to operate on 90 psig 6 2 bar max air pressure If the tool is properly sized and applied higher air pressure is unnecessary Excessive air pressure increases the ae and stresses on the tool parts and may result in breakage Installation of a filter regulator lubricator in the air supply line is highly recommended Before the tool is connected to air supply check throttle for proper operation i e throttle moves freely and returns to closed position Being careful not to endanger adjacent personnel clear air hose of accumulated dust and moisture Use protective barriers where necessary hot sparks can burn Barriers also help reduce noise levels Before removing tool from service or changing accessories make sure air line is shut off and drained of air This will prevent tool from operating if throttle is accidently engaged Do not use tool to drain residual air from air line instead use of a self relieving valve located near tool is highly recommended The speed rating and warning information on the tool should be maintained or replaced for legibility inthe event of damage Before installing an accessory or a grinding wheel after all tool repairs and whenever a grinder is issued for use check the free speed of the tool with a tachometer to make sure actual free speed at 90 psig does not exceed rated free speed stamped on tool Grinders in use on the job must be checked at least
6. or accessories known to have been subjected to any of the conditions above can burst violently and should be destroyed rather than risk their use by someone who may not notice that they are damaged Do not operate 116 136 RA grinder without a wheel guard if used with Type 1 straight or Type 27 depressed center wheels Guard must not be modified and any guard damaged or bent must be replaced Grinder must be used such that opening in guard is away from operator CHECKFLANGE A Type 1 wheel grinder s flanges must be relieved free A of nicks that might cause stress concentrations on the wheel which can cause cracks Blotters must be used RR 1 3 Dia 4 and be as large in diameter asthe flanges Diametersof of wheel tliz driving and outer flange must be equal and measure at least 1 3 dia of the wheel If flanges are less than 1 3 dia of wheel do not use grinder or select proper wheel Relieved Flange Spindle end nut must be tightened firmly against outer TYPE flange to insure necessary friction against blotters to drive wheel Caution Overtightening can cause wheel breakage Type 1 breakage can also occur if LLTI e Outer flange is left off e Outer flange is reversed e A washer is used in place of either flange e Outer and driving flange are different diameters e Blotters are not used e Wheel is side loaded Grind on periphery only Check spindle Awaenine and driving y GRINDING flange on grind Ext
7. tute Inc 11 West 42nd Street New York NY 10036 A CAUTION Personal hearing protection is recommended when operating or working near this tool Hearing protection is recommended in high noise areas above 85 dBA Close proximity of additional tools reflective surfaces proc ess noises and resonant structures can substantially contribute to the sound level experienced by the operator Proper hearing conser vation measures including annual audiograms and training in the use and fit of hearing protection devices may be necessary For additional information on hearing protection refer to Federal OSHA Regulations 29 CFR Section 1910 95 Occupational Noise Expo sure and American National Standards Institute ANSI S12 6 Hearing Protectors e Gloves and other protective clothing should be worn as required unless they create a greater hazard e Do not wear loose fitting clothing or clothing that may restrict movement become entangled or in any way interfere with the safe operation of the grinder A WARNING Wear respirator where necessary Grinding or other use of this tool may produce hazardous fumes and or dust To avoid adverse health effects utilize adequate venti lation and or a respirator Respirators should be selected fitted used and maintained in accordance with Occupational Safety and Health Administration and other applicable regulations Read the material safety data sheet on any materials involved in the
8. 2 TOOL SPINDLE PAD NUT WRENCH APPLICATION ADAPTER 4 Sanding Pad 3 8 24 to 5 8 11 889271 849259 849834 869495 OPERATING INSTRUCTIONS READ SAFETY RECOMMENDATIONS BEFORE CONNECTING TOOL OPERATION The 116 and 136 RAB Series Right Angle Grinders are designed to operate on 90 psig 6 2 bar maximum air pressure using a 1 4 hose up to 8 in length for the 116 and a 5 16 hose for the 136 If additional length is required the next larger hose size may be connected to the 8 whip hose LUBRICATION An automatic in line filter lubricator is recommended as it in creases tool life and keeps the tool in sustained operation The in line lubricator should be regularly checked and filled with a good grade of 10W machine oil Proper adjustment of the in line lubricator is performed by placing a sheet of paper next to the exhaust ports and holding the throttle open approximately 30 seconds The lubricator is properly set when a light stain of oil collects on the paper Excessive amounts of oil Should be avoided Application of the tool should govern how frequently itis greased It is recommended that the right angle gears receive a generous amount of NLGI 2 EP grease through the grease fittings after 40 hours of operation STORAGE In the event that it becomes necessary to store the tool for an extended period of time overnight weekend etc it should receive a generous amount of lubrication at that time and again when returned to servi
9. COOPER Tools Series 116 136 Grinder Throttle L Lever Exhaust Terminations F Front R Rear S Side Generation Concept B Second C Third RPM 135 150 165 Lexington SC 29071 Operation Service Manual 823106 2 01 Cleco 116 amp 136GL R A Series Extended Right Angle Grinders xxx G i x x xxx fal x x x Guard 3 3 In 4 4 in Terminations For additional product information visit our website at http www clecotools com NORTH AMERICA 3 3 16 4 1 4 5 5 16 6 3 8 6M 6mm 3T 3 8 24 Wheel Type D Type 27 W Type 1 Wheel C Collet Model A Right Angle EUROPE Cooper Power Tools GmbH amp Co Postfach 30 D 73461 Westhausen Safety Recommendations For your safety and the safety of others read and understand the safety recommendations before operating any grinder Always wear protective equipment and clothing WARNING Impact resistant eye protection must be worn while operating or working near this tool Caution Faceshields do not provide unlimited protection against flying particles and are not to be considered as eye protection ANSI Z87 1 states that separate eyewear shall be used For additional information on eye protection refer to Federal OSHA Regulations 29 CFR Section 1910 133 Eye and Face Protection and ANSI Z87 1 Occupational and Educational Eye and Face Protection This standard is available from the American National Standards Insti
10. Important When installing front rotor bearing No 202332 the shielded side should be assembled toward the rear of the tool Install the front rotor bearing in the front bearing plate and measure the distance from the face of the bearing plate to the inner race of the bearing with the bearing race loaded rearward Selector fit by sanding a rotor collar 001 025mm to 002 050mm longer than this measurement Install the rotor blades cylinder rear bearing plate and rear bearing on the rotor After final assembly of the motor unit the cylinder should be held securely but not tightly between the two 2 plates The rotor should not rub either plate When installing the splined nut No 202236 on the rotor the undercut end should be toward the bearing When installing a motor into a rear exhaust backhead the steel ball located in the front plate must line up with the groove in the backhead Tighten all joints securely during reassembly Head positioning spacers are used to position the right angle head in relationship to the throttle lever Each 005 added or subtracted will change the location of the head approximately 30 degrees Place a few drops of 10W machine oil in the air inlet to ensure positive lubrication of all motor parts as soon as air is applied CAUTION After the grinder is reassembled be sure to check the free speed R P M for proper speed with a dependable tachom eter before returning the grinder to service 116
11. ce The tool should be stored in a clean and dry environment SERVICE INSTRUCTIONS DISASSEMBLY To disassemble the tool unscrew the right angle head left hand threads This will allow the removal of the motor unit from the backhead Toremove the splined nut 202236 use a 14mm six 6 point box wrench and a 3 16 hex wrench Insert the hex wrench into the rotor shaft and unscrew the nut Use a suitable driver to drive the front rotor shaft out of the front rotor bearing After removing the cylinder and rotor blades the rear rotor shaft may be driven out of the rear rotor bearing Todisassemble the right angle head unscrew the spindle bearing cap This will permit the removal of the spindle assembly Use a 14mm six 6 point deep socket to remove the spline adapter No 202625 If the pinion is not engaging the driven gear because of wear remove the bearing 202197 from the spindle and put the driven gear back on the spindle Insertthe spindle and driven gear back into the housing With a brass hammer drive the spindle needle bearing No 202198 out of the housing until it allows the pinion gear to engage the driven gear Screw a 3 8 24 nut on the spindle and hold with a box end wrench Put a spacer over the spindle needle bearing and clamp the housing in a vise Now proceed to loosen the spline adapter with a 14mm six 6 point deep socket The pinion bearing retainer No 863564 may be removed by utilizing a 5 8 hex nut an
12. ch are well balanced round and true is highly recommended as they have been found to significantly reduce vibration Some abrasive wheels lose their balance roundness and trueness as they wear from use Because of the abusive nature of the vibration caused by out of balance out of round and untrue condition of some abrasive wheels it is felt that these wheels are more suseptible to failure Excessive vibration may signal eminent wheel failure Out of balance abrasive wheels are dangerous Flat spotting of the abrasive wheel caused by grinding the wheel to a stop after the power has been shut off can 4 result in changes to the balance and shape of the wheel Be sure the grinding wheel has stopped before setting the tool down Set the tool in a tool rest or tool holder when not in use WIRE BRUSHES If a grinder is used for wire brushing applications the same problems of balance roundness and truth as experienced with abrasive wheels prevail Use quality wire brushes USE A PREVENTIVE MAINTENANCE PROGRAM Tool abuse or poor maintenance procedures can amplify and contribute to the vibration produced by the abrasive wheel A preventive maintenance program featuring scheduled periodic inspections and proper maintenance is the best way to assure safety in your portable grinding operations A well managed pro gram can for example detect such things as speed variations due to wear flanges or spindles that have been damaged from abuse o
13. d a 5 8 deep socket Drop the hex nut over the pinion shaft and engage the hex in the bearing retainer and unscrew the retainer using the deep socket Unscrew the plug No 842366 and using a suitable driver drive the pinion No 202624 and related bearings out of the angle head REASSEMBLY The tool is reassembled in the reverse order of disassembly Wash all parts ina solvent and inspect for damage or wear Rotor blades should be replaced at every repair cycle or if they measure less than 3 16 4 7mm at either end Replace bearings that are rough or have excessive end play IMPORTANT When replacing pinion gear 202624 or driven gear 202201 both gears should be replaced for best results When reassembling the spindle No 202194 bearing No 202197 driven gear No 202201 and spindle lock nut No 202199 use Locktite 271 on the spindle lock nut No 202199 Also use 271 Locktite on the Spindle Bearing Cap No 202196 Slip pinion needle bearing No 869864 unstamped endfirst on the pinion No 202624 and press press on the bearing s stamped end the bearing in to a depth of 7 8 from the face of the bearing bore Install pinion ball bearing No 202333 shield to the rear and bearing retainer No 863564 in the head and tighten retainer securely using the 5 8 hex nut and 5 8 deep socket Using a suitable driver through the hole in the top of the head drive the pinion back to make sure it is seated properly in the head
14. hing O Ring 5 8 X 3 4 Throttle Valve Spring Throttle Lever Pin O Ring 9 16 X 11 16 O Ring 1 1 4 X 1 3 8 Throttle Valve O Ring 5 64 X 13 64 Exhaust Deflector Throttle Valve Seat Muffler Felt Toggle Spring The lock off lever can be N add od do dl es dl es sk do od purchased as a subassembly MODELNO PART NO MODEL NO PART NO 116GLB 135A 116GLB 165A 136GLFB 150A 201017 861991 201571 136GLB 135A 136GLRB 135A 136GLRC 165A C 136GLB 165A 136GLRB 165A W 136GLRB 165A D 136GLRE165A W 136GLRE 165A D 136GLRE 135A W 136GLRE 135A D 136GLRE 165A C 201018 861138 861131 861995 861135 861135 201651 201651 201626 201626 201627 using part no 861992 NOTES NOTES COOPER Tools CooperTools 670 Industrial Drive Lexington SC 29072 Phone 803 359 1200 Fax 803 359 2013 www clecotools com
15. indle Part No 201144 Integral collet Part No 201240 116 amp 136 EXTENDED RIGHT ANGLE MOTOR Front Bearing Plate Type Exhaust Part No Front Side 202335 Rear 202334 Rotor Model Part No 116 869780 Rotor Blade 136 869781 Model Part No 812165 116 867816 136 869449 202332 812165 869445 El M A 0 O ay D eee O NI Cylinder OPTIONAL ROTOR COLLAR Model Part No PART NO SIZE 116 869450 Rear Bearing Plate 136 869451 Type Exhaust Part No 864487 120 nee Per Front Side 869638 864489 122 Rear 202285 864490 423 847525 124 864492 125 864493 126 865416 127 865417 128 202076 129 202187 130 202188 131 PartNo Name of Part Qty PartNo Name of Part 867816 Rotor Blade 869445 Rear Rotor Bearing 869449 Rotor Blade 869450 Cylinder includes one 1 pin 869451 Cylinder includes one 1 pin Rear 869638 Bearing Plate 202285 Rear Bearing Plate 202332 Front Rotor Bearing 202334 Front Bearing Plate 202335 Front Bearing Plate 812165 Cylinder Pin 847525 Rotor Collar 124 864489 Rotor Collar 122 864493 Rotor Collar 126 865417 Rotor Collar 128 E CAN ld ld do od so ds Only one rotor collar required 116 amp 136 EXTENDED RIGHT ANGLE HANDLES
16. ndle 3 8 24 Stub Spindle Spindle Bearing Cap Spindle Ball Bearing Spindle Needle Bearing Spindle Lock Nut Driven Gear Side Exhaust Deflector Side Exhaust Deflector Front Exhaust Deflector Front Exhaust Deflector Type 1 Driving Flange Type 27 Driving Flange 3 Wheel Guard 4 Wheel Guard Spline Coupling Splined Nut Pinion Ball Bearing Muffler Pinion Spline Adapter Collet Spindle Spindle Bearing Cap a h a a a a db bh o hb o db o db o hb o b bh bh bh 203409 842366 843422 847234 847803 847805 847811 849022 849834 849837 849844 863564 863926 864158 864159 865423 865501 865991 867926 869452 869475 869559 869560 869864 Spindle End Nut Type 1 Plug Spindle End Nut Type 27 O Ring 1 1 8 x 1 1 4 Collet Lock Nut 3 8 Collet Opt 1 4 Collet Std Spindle Hex Wrench Spanner Wrench 9 16 x 11 16 Wrench 5 8 x 3 4 Wrench Bearing Retainer 005 Spacer 6mm Collet Opt Driving flange Spacer if required 3 16 Collet Opt 5 16 Collet Opt Type 1 Outer Flange O Ring 1 3 16 x 1 5 16 Muffler Retainer Ring 010 Spacer 020 Spacer Pinion Needle Bearing l ANA do od Ce 2 A dl dl dd do io h Denotes parts not included in subassemblies Number of spacers required is variable The complete angle head can be purchased as a subassembly using the following part numbers 3 8 24 Spindle Part No 201145 3 8 24 Stub Sp
17. once every 20 hours of operation or once a week whichever is most frequent Guard if wheel type grinder must be securely attached to the grinder with the bolt nut and lockwasher in place and torqued to 30 40 in lbs TACHOMETER 203185 _ CAUTION LABEL u l 202101 amp 869974 WARNING TAGS 202409 WARNING AND INSTRUCTION LABEL Fragments from an abrasive wheel can cause serious injury or death Do not operate without proper wheel guard in place INSPECT GRINDING WHEEL OR ACCESSORY Fragments from a grinding wheel mounted wheel or carbide burr that breaks or comes apart while rotating can cause serious injury or even death Inspect grinding wheel or accessory Check the maximum safe RPM marked on wheel accessory or package Never use wheels or accessories rated at or below actual tool speed Cracked dropped faulty or bent accessories are danger ous Suspect accessories should not be used and should be disposed of Look for cracks chips water stains or signs of abuse or improper storage Causes of grinding wheel failures have been traced to such factors as e Dropping bumping or abuse careless handling of the grinder e Improper mounting e Imbalance e Improper shipment or storage or age e Mismatched speed ratings e Exposure to water solvents high humidity freezing and extreme temperatures Safety Recommendations Wheels
18. place water that may be trapped in tool This information is a compilation of general safety practices ob tained from various sources available at the date of production However our company does not represent that every acceptable safety practice is offered herein or that abnormal or unusual circumstances may not warrant or require additional procedures Your work may require additional specific safety procedures Follow these procedures as required by your company For more informa tion see the latest edition of ANSI B186 1 Safety Code for Portable Air Tools and ANSI B7 1 Safety Requirements for the Use Care and Protection of Abrasive Wheels available from the American National Standards Institute Inc 11 West 42nd Street New York NY 10036 116 amp 136GLB amp GLC RIGHT ANGLE GRINDER AND Type 1 SANDER EQUIPMENT Driving Wheel Guard Flange Wheel Blotters gt Both Sides nd Relieved Flanges End Nut 1 3 Dia of Wheel TYPE 1 WHEEL with 3 8 Hole Flange Dias Equal Clean no nicks or burrs Spacer s 864159 Wheel Thickness No Required 3 16 Spindle Adapter 4 Rubber Pad TOOL SPINDLE DRIVING OUTER NUT APPLICATION FLANGE FLANGE 4 Type 27 3 8 24 202225 not applicable 843422 202227 with 3 8 Hole 3 Type 27 3 8 24 202225 not applicable 843422 202226 with 3 8 Hole 3 Type 1 with 3 8 24 202223 865991 203409 202226 3 8 Hole 4 Type 1 with 2 8 24 202223 865991 203409 849837 202227 3 8 Hole 84902
19. r bad bearings damaged by foreign matter or lack of lubrication Problems such as these can affect the wheel trueness when the grinder is running and contribute to the vibration Rotor blades that are worn or chipped can lock up the motor and damage motor components Rotor blades should be checked periodically and replaced if they measure less than 3 16 4 7mm at either end Co Proper repair procedures and the use of original Cleco service parts and bearings rather than substitutes will return the tool to factory specifications of precision and balance and minimize vibration y Replace if 3 16 4 7mm or less at either end PROPER LUBRICATION An automatic in line filter regulator lubricator is recommended as it increases tool life and keeps the tool in sustained operation The in line lubricator should be regularly checked and filled with a good grade of 10W machine oil Proper adjustment of in line lubricator is performed by placing a sheet of paper next to exhaust ports and holding throttle open approximately 30 seconds Lubricator is properly set when a light stain of oil collects on paper Excessive amounts of oil should be avoided STORAGE In the event it becomes necessary to store tool for an extended period of time overnight weekend etc it should receive a gener ous amount of lubrication at that time and run for several seconds to distribute oil before disconnecting from air supply This will reduce corrosion and dis
20. r mounting a wheel or accessory tool must be run for one minute in a protected enclosure to check the integrity of the wheel or accessory During this time or any other time no one should stand in front or in line of the wheel or accessory When starting work with a cold wheel apply it gradually to the workpiece until it becomes warm Do not continue to use a grinder if e lt is not equipped with proper wheel guard e It starts to vibrate e You sense changes in tool speed or an unusual increase in noise that would indicate tool is running at excessive speed e You notice excessive end play in spindle e You hear any unusual sound from grinder RETURN THE TOOL TO THE TOOL CRIB FOR SERVICE IMMEDI ATELY A WARNING Repetitive work motions and or vibration may cause injury to hands and arms Use minimum hand grip force consistent Some individuals may be susceptible to disorders of the hands and arms when performing tasks consisting of highly re petitive motions and or exposure to extended vi bration Cumulative trauma disorders such as carpal tunnel syndrome and tendonitis may be caused or aggravated by repetitious forceful exertions of the hands and arms Vibration may contribute to a condition called Raynaud s Syndrome These disorders develop gradually over periods of weeks months and years It is presently unknown to what extent exposure to vibrations or repetitive motions may contribute to the disorders Hereditary factor
21. reme caution should ume FACE ers used with be exercised not to use u Blotter Type 27 de pressed center excessive side pressure 0 Excessive side pressure _ 2 Relieved flanges can break the wheel and EP gg Minimum 1 3 dia result in severe injury ii run of wheel dia wheels HI TYPE 1 Spindles must Guard not Ss E WHEEL not be bent and shown for AS clarity Do not grind with threads must be free of any dam age that might keep a wheel from being centrally mounted or seated properly against the driving flange The spindle end nut should be tightened to prevent wheel slippage and satisfactorly transfer the driving torque of the spindle to the wheel through the adapter assembly gt ee lt a side of Type 1 wheel COLLET EQUIPPED TOOLS The collet should be checked to assure it is in good operating condition and is secure to the tool Accessories should be inserted to full depth of the collet Avoid excessive overhang and or exces sive down force that can result in vibration or a bent spindle Possible loss or ejection of accessory can result Collet equipped 116 136 RA grinders are intended for use with small carbide burrs and mounted wheels only Do not use these tools for Type 1 or Type 27 wheel grinding If your application calls for a Type 1 or Type 27 wheel consult your Cleco representative for a wheel grinder equipped with the proper wheel guard BEGINNING GRINDING OPERATION Before using or afte
22. s vasculatory or circulatory problems exposure to cold and dampness diet smoking and work practices are thought to contribute to the conditions with proper control and safe operation Keep body and hands warm and dry Avoid anything that inhibits blood circulation Avoid continuous vibration exposure Keep wrists straight Avoid repeated bending of wrists and hands Any tool operator should be aware of the following warning signs and symptoms so that a problem can be addressed before it becomes a debilitating injury Any user suffering prolonged symp toms of tingling numbness blanching of fingers clumsiness or weakened grip nocturnal pain in the hand or any other disorder of the shoulders arms wrists or fingers is advised to consult a physician If it is determined that the symptoms are job related or aggravated by movements and postures dictated by the job design it may be necessary for the employer to take steps to prevent further occurrences These steps might include but are not limited to repositioning the workpiece or redesigning the workstation reas signing workers to other jobs rotating jobs changing work pace and or changing the type of tool used so as to minimize stress on the operator Some tasks may require more than one type of tool to obtain the optimum operator tool task relationship The proper selection of the correct type of grinder is an important ergo nomic consideration Each application should be
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