UNDERWATER HYDRAULIC GRINDER
Contents
1. 10 OPERATION ounce P EU 11 TOOL PROTECTION S 13 TROUBLE 14 ACOE m 15 SPECIFICATION ____ ________ ______ ____ 15 PARTS ICLUSTRAHON 16 CORZI FARIT O 17 IMPORTANT To fill out a Product Warranty Recording form and for information on your warranty visit Stanleyhydraulic com and select the Warranty tab NOTE The warranty recording form must be submitted to validate the warranty SERVICING THE STANLEY HYDRAULIC GRINDER This manual contains safety operation and routine mainte nance instructions Servicing of hydraulic tools other than routine maintenance must be performed by an autho rized and certified dealer Please read the following warning SERIOUS INJURY OR DEATH COULD RESULT FROM THE IMPROPER REPAIR OR SERVICE OF THIS TOOL REPAIRS AND OR SERVICE TO THIS TOOL MUST ONLY BE DONE BY AN AUTHORIZED AND CERTIFIED DEALER For the nearest authorized and certified dealer call Stanley Hydraulic Tools at the number listed on the back of this manual and ask for a Customer Service Representative STANLEY GR29 User Manual 4 3 SAFETY SYMBOLS Safety symbols and signal words as shown below are used to emphasize al2. RETURN HYDRAULIC CIRCUIT PRESSURE lt lt lt Nen L3 gt gt gt JXNSSJHd 0 8 g dn 09 0 0 SL 06 0 00 00L Ov 6l 901 9 G 7 dn dn Z G Ob SYOLONGNOD M E YVAN ASN LON OQ 19q 4 10 311M SOH syoniy 3113 404 plesg BETTE SOH 9Aljonpuo2 uoN ounssaJg oepisu PRESSURE 216 AVS Aq yoy 195 se suoneoyroeds JO jsnuu oineJp u rv Dunmes AJLA 5 oi neup u IXeuJ y eJnsseJd e esou oi neJp u Aue jou p nous pue joo 5 00 Inep H uo peseq juo joo 104 pesn oj s yeyo 54 eoueuuJoJied joo eJnsue A9 2 e 5 xoeq oJnssoJd eui dee suol epueuuuloo2aJ 25941 Jed sed suoj e6 uo peseq suj6us 9504 2504 WNWIUIW SMOUS y
3. gt ums TRIGGER ss mer 1 HEADEDPUSHPN sr we ome ss mos 1 sonce ss ws ome _ z4 roomer wee DLR GEARASSY se wer rewwEcoumER ss wes 1 men courerser EE ems wes fesun ues WHEEL NUT SPANNER WRENCH GR29 User Manual 4 17 Stanley Hydraulic Tools 3810 SE Naef Road Milwaukie Oregon 503 659 5660 Fax 503 652 1780 www stanleyhydraulic com IMPORTANT To fill out a Product Warranty Recording form and for information on your warranty visit Stanleyhydraulic com and select the Warranty tab NOTE The warranty recording form must be submitted to validate the warranty
4. yeyo 941 03 JOO GR29 User Manual 4 9 HTMA REQUIREMENTS TOOL CATEGORY Jf 30Lpm at 138ba N HTMA CATEGORY HYDRAULIC SYSTEM fosse REQUIREMENTS TYPE I TYPE Il TYPE III TYPE RR FLOW RATE 4 6 gpm 11 13 gpm 9 10 5 15 23 Ipm 26 34 Ipm 42 49 Ipm 34 40 Ipm TOOL OPERATING PRESSURE 2000 psi 2000 psi 2000 psi 2000 psi At the power supply outlet 145 155 bar 138 bar 138 bar 138 bar SYSTEM RELIEF VALVE SETTING 2100 2250 psi 2100 2250 psi 2100 2250 psi 2200 2300 psi At the power supply outlet 145 155 bar 145 155 bar 145 155 bar 145 155 bar MAXIMUM BACK PRESSURE 250 psi 250 psi 250 psi 250 psi At tool end of the return hose 17 bar 17 bar 17 bar 17 bar Measured at a max fluid viscosity of 400 ssu 400 ssu 400 ssu 400 ssu At min operating temperature 82 centistokes 82 centistokes 82 centistokes 82 centistokes TEMPERATURE Sufficient heat rejection capacity to limit max fluid temperature to At max expected ambient temperature Min cooling capacity at a temperature difference of between ambient and fluid temps NOTE Do not operate the tool at oil temperatures above 140 F 60 C Operation at higher temperatures can cause operator discomfort at the tool FILTER Min full flow filtration 25 microns 25 microns 25 microns 25 microns Sized for flow of at least 30 gpm 30 gpm
5. AREA SEE OTHER SIDE Shown smaller than actual size THE TAG SHOWN BELOW IS ATTACHED TO CONDUCTIVE HOSE DO NOT USE THIS HYDRAULIC HOSE ON OR NEAR ELECTRIC LINES THIS HOSE IS NOT LABELED OR CERTIFIED AS NON CONDUCTIVE USING THIS HOSE ON OR NEAR ELECTRICAL LINES MAY RESULT IN DEATH OR SERIOUS INJURY PROPER AND SAFE OPERATION SURE THAT YOU HAVE BEEN PROPERLY TRAINED IN CORRECT PROCEDURES REQUIRED FOR WORK ON OR AROUND ELEC TRIC LINES DONOTEXCEED HOSE WORKING PRESSURE ORABUSE HOSE IMPROPER USE OR HAN DLING OF HOSE COULD RESULT IN BURST OR OTHER HOSE FAILURE KEEP HOSE AS FAR AWAY AS POSSIBLE FROM BODY AND DO NOT PERMIT DIRECT CONTACT DURING USE CONTACT AT THE BURST CAN CAUSE BODILY INJECTION AND SEVERE PERSONAL INJURY HANDLE AND ROUTE HOSE CAREFULLY TO AVOID KINKING CUTTING OR CONTACT WITH HIGH TEMPERATURE SURFACES DO NOT USE IF KINKED DO NOT USE HOSE TO PULL OR LIFT TOOLS POWER UNITS ETC SEE OTHER SIDE CHECK ENTIRE HOSE FOR CUTS CRACKS LEAKS ABRASIONS BULGES OR DAMAGE TO COUPLINGS IF ANY OF THESE CONDITIONS EXIST REPLACE THE HOSE IMMEDIATELY NEVER USE TAPE OR ANY DEVICE TO ATTEMPT TO MEND THE HOSE AFTER EACH USE STORE IN A CLEAN DRY AREA SEE OTHER SIDE Shown smaller than actual size 8 GR29 User Manual OVL SIHL AAOWSAY LON OG OVL SIHL AAOWSY LON OG o 4 P a x o L suonoeuuo eoid
6. ELECTRIC LINES BE SURE THE HOSE IS MAINTAINED AS NON CONDUCTIVE THE HOSE NECTED TO THE TOOL BEFORE PRESSURING SYSTEM SYSTEM PRESSURE HOSE MUST ALWAYS BE CON NECTED TO TOOL IN PORT SYSTEM RETURN HOSE SHOULD BE REGULARLY TESTED FOR ELECTRIC CURRENT MUST ALWAYS BE CONNECTED TO TOOL OUT PORT LEAKAGE IN ACCORDANCE WITH YOUR SAFETY DEPART REVERSING CONNECTIONS MAY CAUSE REVERSE MENT INSTRUCTIONS TOOL OPERATION WHICH CAN RESULT IN SEVERE PERSONAL INJURY DO NOT CONNECT OPEN CENTER TOOLS TO CLOSED CENTER HYDRAULIC SYSTEMS THIS MAY RESULT IN LOSS OF OTHER HYDRAULIC FUNCTIONS POWERED BY THE SAME SYSTEM AND OR SEVERE PERSONAL INJURY CAUTION 4 12 GPM 15 45 LPM DO NOT EXCEED 2000 PSI 140 BAR A HYDRAULIC LEAK OR BURST MAY CAUSE OIL INJECTION INTO THE BODY OR CAUSE OTHER SEVERE PERSONAL INJURY DO NOT EXCEED SPECIFIED FLOW AND PRESSURE DO NOT EXCEED SPECIFIED FLOW OR PRESSURE USE CLOSED CENTER TOOL ON CLOSED CENTER SYSTEM USE OPEN CENTER TOOL ON OPEN CENTER SYSTEM CORRECTLY CONNECT HOSES TO TOOL IN AND OUT PORTS IMPROPER HANDLING USE OR OTHER MAINTENANCE OF TOOL COULD RESULT IN A LEAK BURST OR OTHER TOOL FAILURE CONTACT AT A LEAK OR BURST CAN CAUSE OIL INJECTION INTO THE BODY FAILURE TO OBSERVE THESE PRECAUTIONS CAN RESULT IN SERIOUS PERSONAL INJURY 03788 FOR THIS TOOL EXCESS FLOW OR PRESSURE MAY CAUSE A LEAK OR BURST DO NOT EXCEED RATED WORKING PRESSURE OF HYDRAULIC HOSE
7. disconnect is connected to the opposite port Do not reverse cir cuit flow This can cause damage to internal seals Always replace hoses couplings and other parts with replacement parts recommended by Stanley Hydraulic Tools Supply hoses must have a mini mum working pressure rating of 2500 psi 172 bar Do not exceed the rated flow see Specifications page in this manual for correct flow rate and model number Rapid failure of the internal seals may re sult Always keep critical tool markings such as warning stickers and tags legible Tool repair should be performed by experienced personnel only Make certain that the recommended relief valves are installed in the pressure side of the system Do not use the tool for applications for which it was not intended GR29 User Manual lt 13 TROUBLESHOOTING If symptoms of poor performance develop the following chart can be used as a guide to correct the problem When diagnosing faults in operation of the grinder always make sure the hydraulic power source is supplying the correct hydraulic flow and pressure to the tool as listed in the table Use a flowmeter known to be accurate Check the flow with the hydraulic fluid temperature at least 80 F 27 C PROBLEM CAUSE SOLUTION Low performance Incorrect hydraulic flow Check that the power source is pro ducing 4 12 gpm 15 45 Ipm at 1000 2000 psi 70 140 bar Defective quick disconnects Check quick disconnects
8. to or higher than the relief valve setting on the hy draulic system There are three types of hydraulic hose that meet this requirement and are authorized for use with Stanley Hydraulic Tools They are Certified non conductive constructed of thermoplastic or synthetic rubber inner tube synthetic fiber braid reinforcement and weather resistant thermoplastic or synthetic rubber cover Hose labeled certified non conductive is the only hose authorized for use near electrical conductors Wire braided conductive constructed of synthetic rubber inner tube single or double wire braid reinforce ment and weather resistant synthetic rubber cover This hose is conductive and must never be used near electrical conductors Fabric braided not certified or labeled non conductive constructed of thermoplastic or synthetic rubber in ner tube synthetic fiber braid reinforcement and weather resistant thermoplastic or synthetic rubber cover This hose is not certified non conductive and must never be used near electrical conductors HOSE SAFETY TAGS To help ensure your safety the following DANGER tags are attached to all hose purchased from Stanley Hydraulic Tools DO NOT REMOVE THESE TAGS If the information on a tag is illegible because of wear or damage replace the tag immediately A new tag may be obtained from your Stanley Distributor THE TAG SHOWN BELOW IS ATTACHED TO CERTIFIED NON CONDUCTIVE HOSE DANGER DANGER DO NOT REMO
9. 30 gpm 30 gpm For cold temp start up and max dirt holding 114 lpm 114 lpm 114 Ipm 114 Ipm Capacity HYDRAULIC FLUID 100 400 ssu 100 400 ssu 100 400 ssu 100 400 ssu Petroleum based 20 82 centistokes Premium grade anti wear non conductive VISCOSITY At min and max operating temps NOTE When choosing hydraulic fluid the expected oil temperature extremes that will be experienced in service determine the most suitable temperature viscosity characteristics Hydraulic fluids with a viscosity index over 140 will meet the requirements over a wide range of operating temperatures 550 Saybolt Seconds Universal 10 GR29 User Manual STANLEY OPERATION PREOPERATION PROCEDURES CHECK THE POWER SOURCE 1 Using a calibrated flowmeter and pressure gauge check that the hydraulic power source develops a flow of 4 12 gpm 15 45 lpm at 950 2000 psi 67 140 bar 2 Make certain that the hydraulic power source is equipped with a relief valve set to open at 2100 2250 psi 145 155 bar minimum 3 Check that the hydraulic circuit matches the tool for open center OC or closed center CC operation CHECK THE TOOL 1 Make sure all tool accessories are correctly in stalled Failure to install tool properly can result in damage to the tool or personal injury There should be no signs of leaks The tool should be clean with all fittings and fasten ers tight CHECK TRIGGER MECHANISM 1 Check that t
10. Always carry the tool with the wheel stopped e Make sure the wheel has stopped before setting down the tool e Keep the handles clean and free of fluid at all times Always inspect wheels for possible damage before installation Never transport or store the tool with the wheel mounted on the grinder e Never cock jam or wedge the wheel during opera tion e Never cause sparks in the vicinity of flammable ma terials Do not operate the tool with the wheel guard re moved Do not start grinding until you have a clear work area and secure footing e Do not allow other persons near the tool when start ing or cutting e Never operate the tool when you are tired or fa tigued Do not use a wheel that is cracked or otherwise damaged Always use wheels that conform to the tions given in the Operation section of this manual e Do not reverse wheel rotation direction by changing fluid flow direction Always support and secure items being worked on e Caution when handling the work piece after grind ing object can be hot and have sharp edges use your personal protection equipment e Keep your work area clean and clear of tripping haz ards oily surfaces and hoses laying about can be hazardous Make sure adequate lighting is always available e Never operate the tool if you cannot be sure that underground utilities are not present Underground electrical utiliti
11. Fluid leaks at motor cap assem Fasteners loose Tighten to recommended torque bly face value Face O ring worn or missing Replace as required Motor cap assembly main housing Replace as required damaged Fluid leaks at reversing spool Damaged O rings Replace as required Refer to assem bly instructions to prevent cutting the O rings Wrong hydraulic fluid Circuit too hot See Hydraulic System Requirements for correct fluid circuit specifications Hydraulic pressure and return re Correct hose connections versed Fluid gets hot power unit work Open center tool on a closed center Use tool to match circuit ing hard circuit and vice versa Too much fluid going through tool Adjust flow for 12 gpm 34 lpm maxi mum Circuit is generating high heat with flow Use pump size and rpm for produc controls open relief valve etc ing needed flow only Eliminate circuit heating cause Circuit has contaminants that have Replace worn pump and valves In caused pump and valve wear and high stall a large clean filter and keep cir heat generation cuit fluid clean Tool doesn t run Power unit not functioning Check that the power source is pro ducing 4 12 gpm 15 45 lpm at 1000 2000 psi 70 140 bar Coupler or hoses blocked Remove obstruction Mechanical failure Disassemble tool and inspect for damage Tool runs backwards Pressure and return hoses reversed Correct for proper flow di
12. STANLEY GR29 UNDERWATER HYDRAULIC GRINDER SAFETY OPERATION AND MAINTENANCE USER MANUAL ley Black amp Decker Inc New Britain CT 06053 DECLARATION OF CONFORMITY DECLARATION OF CONFORMITY BEREINSTIMMUNGS ERKLARUNG C DECLARATION DE CONFORMITE DECLARACION DE CONFORMIDAD Hydraulic Tools DICHIARAZIONE DI CONFORMITA the undersigned Ich der Unterzeichnende Weisbeck Andy Je soussign El abajo firmante lo sottoscritto Surname and First names Familiennname und Vornamen Nom et pr nom Nombre y apellido Cognome e nome hereby declare that the equipment specified hereunder best tige hiermit da erklaren Produkt genannten Werk oder Ger t d clare que l quipement vis ci dessous Por la presente declaro que el equipo se especifica a continuaci n Dichiaro che le apparecchiature specificate di seguito 1 Category Grinder Hydraulic Kategorie Cat gorie Categoria Categoria 2 Make Marke Marque Marca Marca Stanley 3 GR2930101 4 Serial number of equipment Seriennummer des Gerats Num ro de s rie de l quipement Numero de serie del equipo Matricola dell attrezzatura Has been manufactured in conformity with Wurde hergestellt in bereinstimmung mit Est fabriqu conform ment Ha sido fabricado de acuerdo con E stata costruita in conformit con Directive Standards No Approved body Richtlinie Standa
13. USED WITH THIS TOOL EXCESS PRESSURE MAY CAUSE A LEAK OR BURST CHECK TOOL HOSE COUPLERS AND CONNECTORS DAILY FOR LEAKS DO NOT FEEL FOR LEAKS WITH YOUR HANDS CONTACT WITH A LEAK MAY RESULT BYSTANDERS MAY BE INJURED IN YOUR WORK AREA KEEP BYSTANDERS CLEAR OF YOUR WORK AREA WEAR HEARING EYE FOOT HAND AND HEAD PRO TECTION TO AVOID PERSONAL INJURY OR EQUIPMENT DAMAGE ALL TOOL REPAIR MAINTENANCE AND SERVICE MUST ONLY BE PERFORMED BY AUTHORIZED AND PROPERLY TRAINED PERSONNEL IN SEVERE PERSONAL INJURY IMPORTANT GPM Decal IMPORTANT READ OPERATION MANUAL AND SAFETY INSTRUCTIONS FOR THIS TOOL BEFORE USING IT USE ONLY PARTS AND REPAIR PROCEDURES APPROVED BY STANLEY AND DESCRIBED IN THE OPERATION MANUAL TAG TO BE REMOVED ONLY BY TOOL OPERATOR SEE OTHER SIDE READ OPERATION MANUAL AND SAFETY INSTRUCTIONS FOR THIS TOOL BEFORE USING IT The safety tag p n 15875 at right is attached to the tool when shipped from the factory Read and understand the safety instructions listed on this tag before removal We suggest you retain this tag and attach it to the tool when not in use USE ONLY PARTS AND REPAIR PROCEDURES APPROVED BY STANLEY AND DESCRIBED IN THE OPERATION MANUAL TAG TO BE REMOVED ONLY BY TOOL OPERATOR SEE OTHER SIDE SAFETY TAG P N 15875 shown smaller then actual size GR29 User Manual 4 7 STANLEY HOSE TYPES The rated working pressure of the hydraulic hose must be equal
14. VE THIS TAG 2 I gt c FAILURE USE HYDRAULIC HOSE LABELED AND CERTIFIED AS NON CONDUCTIVE WHEN USING HYDRAULIC TOOLS ON OR NEAR ELECTRIC LINES MAY RESULT IN DEATH OR SERIOUS INJURY FOR PROPER AND SAFE OPERATION MAKE SURE THAT YOU HAVE BEEN PROP ERLY TRAINED IN CORRECT PROCEDURES REQUIRED FOR WORK ON OR AROUND ELECTRIC LINES BEFORE USING HYDRAULIC HOSE LABELED AND CERTIFIED AS NON CONDUCTIVE ON OR NEAR ELECTRIC LINES WIPE THE ENTIRE LENGTH OF THE HOSE AND FIT TING WITH A CLEAN DRY ABSORBENT CLOTH TO REMOVE DIRT AND MOISTURE AND TEST HOSE FOR MAXIMUM ALLOWABLE CURRENT LEAKAGE IN ACCORDANCE WITH SAFETY DEPARTMENT INSTRUCTIONS SEE OTHER SIDE DO NOT EXCEED HOSE WORKING PRESSURE OR ABUSE HOSE IMPROPER USE OR HANDLING OF HOSE COULD RESULT IN BURST OR OTHER HOSE FAILURE KEEP HOSE AS FAR AWAY AS POSSIBLE FROM BODY AND DO NOT PERMIT DIRECT CONTACT DURING USE CONTACT AT THE BURST CAN CAUSE BODILY INJECTION AND SEVERE PERSONAL INJURY HANDLE AND ROUTE HOSE CAREFULLY TO AVOID KINKING ABRASION CUTTING OR CONTACT WITH HIGH TEMPERATURE SURFACES DO NOT USE IF KINKED DO NOT USE HOSE TO PULL OR LIFT TOOLS POWER UNITS ETC CHECK ENTIRE HOSE FOR CUTS CRACKS LEAKS ABRASIONS BULGES OR DAM AGE TO COUPLINGS IF ANY OF THESE CONDITIONS EXIST REPLACE THE HOSE IMMEDIATELY NEVER USE TAPE OR ANY DEVICE TO ATTEMPT TO MEND THE HOSE AFTER EACH USE STORE IN A CLEAN DRY
15. d maintenance personnel must always comply with the safety precautions given in this manual and on the stickers and tags attached to the tool and hose These safety precautions are given for your safety Re view them carefully before operating the tool and before performing general maintenance or repairs Supervising personnel should develop additional pre cautions relating to the specific work area and local safety regulations If so place the added precautions in the space provided in this manual The GR29 Underwater Hydraulic Grinder will provide safe and dependable service if operated in accordance with the instructions given in this manual Read and un derstand this manual and any stickers and tags attached to the tool and hoses before operation Failure to do so could result in personal injury or equipment damage Operator must start in a work area without bystand ers The operator must be familiar with all prohibited work areas such as excessive slopes and danger ous terrain conditions e Establish a training program for all operators to en sure safe operation e Do not operate the tool unless thoroughly trained or under the supervision of an instructor Always wear safety equipment such as goggles ear gloves breathing and head protection at all times when operating the tool Do not inspect or clean the tool while the hydraulic power source is connected Accidental engagement of the tool can cause
16. es present an electrocution hazard Underground gas utilities present an explosion haz ard Other underground utilities may present other hazards e Do not operate this tool in a potentially explosive en vironment 6 gt GR29 User Manual TOOL STICKERS amp TAGS WHEEL SIZE 230 RPM SPINDLE S 8 TT 5 175 BARESOO PS FLOW 15735 JLPM 4 IZIGPM 28811 Information Plaque 28409 Composite Decal 28322 CE Decal 40 LPM 138 BAR EHTMA CATEGORY WARNING 12535 Grinding Wheel and Jam Circuit Type E Decal nut must be tightened with a wrench before use 10396 Warning Decal e 20 Ipm 138 bar EHTMA CATEGORY CAUTION PROTECT YOUR EYES WEAR SAFETY GOGGLES Do not use damaged wheels use full throttle only while grinding Use only reinforced resinoid wheels rated for 6500 RPM minimum 9 inch diameter by inch thick maximum Inspect wheel guard for signs of damage after any wheel failure 11206 Circuit Type C Decal DANGER DANGER FAILURE TO USE HYDRAULIC HOSE LABELED AND CERTI D DO NOT LIFT OR CARRY TOOL BY THE HOSES DO 08688 FIED AS NON CONDUCTIVE WHEN USING HYDRAULIC NOT ABUSE HOSE DO NOT USE KINKED TORN OR TOOLS ON OR NEAR ELECTRICAL LINES MAY RESULT IN DAMAGED HOSE Safety Decal DEATH OR SERIOUS INJURY MAKE SURE HYDRAULIC HOSES ARE PROPERLY CON BEFORE USING HOSE LABELED AND CERTIFIED AS NON CONDUCTIVE ON OR NEAR
17. evel that produces desired efficiency but allows the operator to maintain full balance and con trol Starting the hydraulic grinder on the work with full hydraulic flow can push the operator off balance creating a condition that can cause severe personal injury Refer to the Troubleshooting section of this manual to isolate other possible conditions that can lower tool effi ciency 12 GR29 User Manual COLD WEATHER OPERATION If the grinder is to be used during cold weather preheat the hydraulic fluid at low engine speed When using the normally recommended fluids fluid temperature should be at or above 50 F 10 C 400 ssu 82 centistokes be fore use Damage to the hydraulic system or grinder can result from use with fluid that is to viscous or too thick TOOL PROTECTION amp CARE NOTICE In addition to the Safety Precautions found in this manual observe the following for equipment protection and care Make sure all couplers are wiped clean before con nection The hydraulic circuit control valve must be in the OFF position when coupling or uncoupling hydrau lic tools Failure to do so may result in damage to the quick couplers and cause overheating of the hy draulic system Always store the tool in a clean dry space safe from damage or pilferage Make sure the circuit PRESSURE hose with male quick disconnect is connected to the IN port The circuit RETURN hose with female quick
18. he trigger operates smoothly and is free to travel between the ON and OFF positions 2 Check that the trigger is set to disengage the grinder when released CHECK HANDLE Check that the cross handle is securely screwed into the handle bracket Remove any oil from the handle CHECK AND ADJUST WHEEL GUARD 1 Inspect the wheel guard for cracks and other struc tural damage 2 f necessary adjust the position of the wheel guard by loosening the two capscrews on the guard clamp Make sure the capscrews are tightened securely af ter adjustment INSTALLING AND REMOVING GRINDING WHEEL 1 Remove and set aside the jam nut from the output shaft Position the grinding wheel over the shaft Screw the jam nut down onto the spindle shaft Tighten the nut securely by using two open end wrenches one wrench on the flats of the spindle shaft the other wrench on the jam nut 4 Remove the grinding wheel by loosening the jam nut as in Step 3 STANLEY IMPORTANT Never over tighten the grinding wheel jam nut by impacting either wrench with a mallet or hammer Sufficient torque is attained by hand tightening the nut with two open end wrenches USE OF DEPRESSED CENTER WHEEL ADAPTER The Depressed Center Wheel Adapter part number 05194 must be used with wheels having a cupped or depressed center CONNECT HOSES 1 Wipe all hose couplers with a clean lint free cloth before making connections 2 Connect the ho
19. l operator maintenance and repair ac tions which if not strictly followed could result in a life threatening situation bodily injury or damage to equipment A DANGER IMPORTANT This is the safety alert symbol It is used to alert you to potential personal injury hazards Obey all safety messages that follow this symbol to avoid possible injury or death This safety alert and signal word indicate an imminently hazardous situation which if not avoided will result in death or serious injury This safety alert and signal word indicate a potentially hazardous situation which if not avoided could result in death or serious injury This safety alert and signal word indicate a potentially hazardous situation which if not avoided could result in death or serious injury This signal word indicates a potentially hazardous situation which if not avoid ed may result in property damage This signal word indicates a situation which if not avoided will result in damage to the equipment This signal word indicates a situation which if not avoided may result in dam age to the equipment Always observe safety symbols They are included for your safety and for the protection of the tool LOCAL SAFETY REGULATIONS Enter any local safety regulations here Keep these instructions in an area accessible to the operator and mainte nance personnel 4 GR29 User Manual SAFETY PRECAUTIONS Tool operators an
20. ndard ISO 3744 NOTE The sum of a measured noise emission value and its associated uncertainty represents an upper boundary of the range of values which is likely to occur in measurements Declared vibration emission value in accordance with EN 12096 ACCESSORIES Description Part Number Grinding Wheel for Metal 9 in Diameter x 5 8 in 11 THD 02587 Grinding Wheel for Masonry 9 in Diameter x 5 8 in 11 THD 02588 Grinding Wheel 7 in x 5 8 in 11 THD Arbor 03691 Depressed Center Wheel Adapter sseesssessssessssssssesseeeen eene nnnne nennen 05194 STANLEY GR29 User Manual lt 15 GR29 PARTS ILLUSTRATION 16 GR29 User Manual STANLEY n pow o0 CIRCUIT TYPE C DECAL CE ONLY 19796 2 DEAD HANDLE BRACKET WELDMENT s wes 1 mewr foss 1 18 28409 1 COMPOSITE SAFETY DECAL r que eom CIRCUIT TYPE E DECAL CE ONLY 20 11937 1 WHEEL GUARD 20 asa WHEELGUARD oRzostoonv _ 12289 1 CLAMP SCREW ASSY ER INCL ITEMS 21 24 m pum p ome fre p suo wem RETANNGRNG BALL BEARING GR29 PARTS LIST wes WASHER oer wo 1 SETSCREW _ owscmw
21. rds Nr Pr fung durch Directives Normes Num ro Organisme agr Directriz Los Normas No Aprobado Direttiva Norme n Collaudato EN ISO 3744 2009 792 7 1994 8662 4 1995 Machinery Directive 2006 42 EC 2006 5 Special Provisions None Spezielle Bestimmungen Dispositions particuli res Provisiones especiales Disposizioni speciali 6 Representative in the Union Patrick Vervier Stanley Dubuis 17 19 rue Jules Berthonneau BP 3406 41034 Blois Cedex France Vertreter in der Union Repr sentant dans l union Representante en la Union Rappresentante presso l Unione Done at Ort Fait Dado en Fatto a Stanley Hydraulic Tools Milwaukie Oregon USA Date Datum le Fecha Data 1 4 11 Signature Unterschrift Signature Firma Firma Position Position Fonction Cargo Posizione Engigeering Manager 1 4 2011 2 gt GR29 User Manual STANLEY TABLE OF CONTENTS DECLARATION OF CONFORMITY sca tra ea we eee eee 2 SAFETY i 0b T 4 SAFE TY PRECAUTION Greyson e ee ee ee EE M PRICE ee ee D joe dz cr X E T HOSE E E AE A EIDEM IDE MEE 8 HOSE RECOMMENDATIONS E a 9 FIGURE T TYPICAL HOSE CONNECTIONS as ce ese cect eee 9
22. rection Grinding wheel should rotate counter clockwise when viewed from the shaft end Grinding wheel comes to abrupt Porting spool incorrectly assembled Refer to Service Manual stop after trigger is released Check valve in trigger spool not func Replace trigger spool assembly tioning correctly Check valve not serviceable Mechanical failure Disassemble tool and inspect for damage 14 gt GR29 User Manual STANLEY SPECIFICATIONS 9 in 23 cm Wheel 5 8 11 THD Arbor Weight with Wheel Guard MT 15 1605 6387 kg rm ____ ___ _ 6_6 _ ______ 9 in 23 Width without Wheel Guard m 4 1 2 in 11 5 cm PO SUE EU ee 1000 2500 psi 70 175 bar msi arie MH 4 12 gpm 15 45 lpm EE 2700 rpm at 10 gpm 38 Ipm EMT 8 SAE O ring Connect Size and 2 3 8 in NPT Adapters ROSO D agree E E E E E E A EE E EEE EE E A EES No MIOLO E Integral Test conducted on GR29310 S N 1989 operated at standard 10 gpm input MEE Measured A weighted sound power level Lwa ref 1pW in decibels 105 dBA Measured A weighted sound pressure level Lpa ref 20 uPa at operator s position in decibels 97 dBA Values determined according to noise test code given in using the basic sta
23. serious injury Always connect hoses to the tool hose couplers be fore energizing the hydraulic power source Be sure all hose connections are tight Do not operate the tool at oil temperatures above 140 F 60 C Operation at higher temperatures can cause higher than normal temperatures at the tool which can result in operator discomfort Do not operate a damaged improperly adjusted or incompletely assembled tool To avoid personal injury or equipment damage all tool repair maintenance and service must only be performed by authorized and properly trained per sonnel Always replace parts with replacement parts recom mended by Stanley Hydraulic Tools Check fastener tightness often and before each use daily Do not tighten or loosen the wheel nut by impact Hold the shaft with a second wrench on the the flats behind the wheel and tighten securely Do not overreach Maintain proper footing and bal ance at all times When working near electrical conductors always assume that all conductors are energized and that insulation clothing and hoses can conduct electrici ty Use hose labeled and certified as non conductive when using the tool on or near electric lines Always hold the tool with both hands when the unit is running Use a firm grip Keep all parts of your body away from the rotating wheel GR29 User Manual 4 5 SAFETY PRECAUTIONS e Keep the wheel off all surfaces when starting the grinder e
24. ses from the hydraulic power source to the tool fittings or quick disconnects It is good practice to connect return hoses first and discon nect them last to minimize or avoid trapped pressure within the tool 3 Observe the arrow on the couplers to ensure that the flow is in the proper direction The female cou pler on the tool is the inlet pressure coupler 4 Move the hydraulic circuit control valve to the ON position to operate the tool 5 Squeeze the grinder trigger momentarily If the grinder does not operate the hoses might be re versed Verify correct connection of the hoses be fore continuing NOTE If uncoupled hoses are left in the sun pressure in crease inside the hose may make them difficult to connect Whenever possible connect the free ends of the hoses together GR29 User Manual lt 11 OPERATION TOOL OPERATION For best results use only Stanley approved accesso ries They have been designed and selected to get the most from the tool Review the Safety Precautions given at the front of this manual before operating the tool Remember to grip the tool with both hands at all times during startup and operation and be sure you have full balance before starting grinder rotation Always keep your body away from the plane of rotation of the grind ing wheel Always start the grinder with the wheel away from the work surface Start hydraulic flow at one gpm and slowly increase flow to a l
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