HGL61 User Manual
Contents
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3. 8 in dia x 1 in thk x 5 8 arbor type 1 Pressure Range euet eda Um ma thee um ee Id 2000 2500 psi 138 172 bar Maximum Back Pressure L u 250 psi 17 bar Flow RANG Cie uu u n bete de 7 10 gpm 26 38 Ipm Sounds EET 10 gpm 38 e ee 8 SAE O ring e HTMA EHTMA Flush Face Type Male amp Female Hose Whips EE Yes Weight HGL61 61 N with hose whips amp couplers and without bullnose stone 9 6 Ibs 4 3 kg Overall Length HGLS1 Nesen tva bp d 19 in 48 2 cm Overall Width I 61TN oerte erre eds tien 10 in 25 4 cm Weight HGL80 81 with hose whips amp couplers and without grinding 13 6 16 6 1 kg Overall Length HGL80 80 N 80 2 80 23 35 in 59 3 cm Overall Length HGL81 81 N 81 L 81 22222 8 seen 19 in 48 2 cm Overall Width 80 80 80 0 et Fetal te tete p Pee b o etat ebbe pate 12 in 30 4 cm Overall Width HGL81 STL 91 un to tar een er e e 12 in 30 4 cm hid ec 5500 Maximum Fluid Vemperature vette ee a
4. RUM aqa 140 F 60 C 14 HGL User Manual STAN LEY ACCESSORIES Grinding Wheel Norton Norzon IV 8 inch dia 1 inch wide 5 8 arbor HGL80 81 28598 Grinding Wheel Cone Bullnose 61 30872 Threads on wheel cone are 5 8 11 STAN LEY HGL User Manual 4 15 NOTE BOTH THE HGL61 AND HGL61N ARE CCW ROTATION TOOLS THE ONLY DIFFERENCE BETWEEN THE TWO MOD ELS ARE THE TYPE OF COUPLERS NOTE ITEM 8 INCLUDES BEARING NOSE AND GRINDER MOTOR SEE PAGES 20 amp 21 FOR PARTS MODEL SERIAL gt LOCATED THIS SIDE ON BOTTOM FLOW RATE PRESSURE amp RPM LOCATED THIS SIDE ON BOTTOM 16 HGL User Manual STAN LEY DESCRIPTION NOTE BOTH THE HGL61 AND HGL61N m ARE CCW ROTATION TOOLS THE ONLY DIFFERENCE BETWEEN THE TWO MOD COUPLER 3 8FEM 3 8NPT MODEL ELS ARE THE TYPE OF COUPLERS HGL61 COUPLER 3 8FEM 3 8NPT AERO QUIP MODEL HGL61N 1 COUPLER 3 8MALE 3 8NPT MODEL HGL61 COUPLER 3 8MALE 3 8NPT AERO 244 1 0247 dl aid 50 EM ITEM QUIP MODEL HGL61N HOSE ASSY PARKER MODEL HGL61 HOSE ASSY AEROQUIP MODEL HGL61N DECAL STANLEY LOGO COMPOSITE STICKER CAPSCREW 5 16UNCx3 4 58630 66728 1 2 3 4 5 T 9 211148 DRIVE FLANGE 10 74888 1 SHORT HANDLE ASSEMBLY IN CLUDES DECALS SEAL KIT
5. bes de Senece eet 18 HGL80 PARTS LIST uu ett err e a cage ae aee 19 MOTOR PARTS EISTANDILEBUSTERATIGON retta aie ttn e retra iet tai be asha 20 BEARING NOSE PARTS LIST AND 21 IMPORTANT To fill out a Product Warranty Validation form and for information on your warranty visit Stanleyhydraulics com and select the Company tab Warranty NOTE The warranty Validation record must be submitted to validate the warranty SERVICING This manual contains safety operation and routine maintenance instructions Stanley Hydraulic Tools recommends that servicing of hydraulic tools other than routine maintenance must be performed by an authorized 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 STAN LEY HGL User Manual 4 3 Safety symbols and signal words as shown below are used to emphasize all operator maintenance and repair ac tions which if not strictly followed could result in a life threatening situation bodily injury or damage to equipment This i
6. DO NOT USE IF KINKED DO NOT BEFORE USING HYDRAULIC HOSE LABELED AND CERTIFIED AS NON CONDUCTIVE USE HOSE TO PULL OR LIFT TOOLS POWER UNITS ETC ON OR NEAR ELECTRIC LINES WIPE THE ENTIRE LENGTH OF THE HOSE AND FIT CHECK ENTIRE HOSE FOR CUTS CRACKS LEAKS ABRASIONS BULGES OR DAM TING WITH A CLEAN DRY ABSORBENT CLOTH TO REMOVE DIRT AND MOISTURE AND TEST HOSE FOR MAXIMUM ALLOWABLE CURRENT LEAKAGE IN ACCORDANCE WITH AGE TO GOUELINGS IP ANT OF THESE CONDITIONS ENST REPLACE THE HOSE IMMEDIATELY NEVER USE TAPE OR ANY DEVICE TO ATTEMPT TO MEND THE HOSE SAFETY DEPARTMENT INSTRUCTIONS AFTER EACH USE STORE IN A CLEAN DRY AREA FOR PROPER AND SAFE OPERATION MAKE SURE THAT YOU HAVE BEEN PROP ERLY TRAINED IN CORRECT PROCEDURES REQUIRED FOR WORK ON OR AROUND DO NOT REMOVE THIS TAG SIHL LON OG SEE OTHER SIDE SEE OTHER SIDE SIDE 1 SIDE 2 Shown smaller than actual size THE TAG SHOWN BELOW IS ATTACHED TO CONDUCTIVE HOSE DANGER DANGER NOT USE THIS HYDRAULIC HOSE ON OR NEAR ELECTRIC LINES THIS HOSE 15 5 CHECKENTIRE HOSE FOR CUTS CRACKS LEAKS ABRASIONS BULGES OR DAMAGE TO NOT LABELED OR CERTIFIED AS NON CONDUCTIVE USING THIS HOSE ON OR NEAR COUPLINGS IF ANY OF THESE CONDITIONS EXIST REPLACE THE HOSE IMMEDIATELY ELECTRICAL LINES MAY RESULT IN DEATH OR SERIOUS INJURY NEVER USE TAPE OR ANY DEVICE TO ATTEMPT TO MEND THE HOSE FOR PROPER AND SAFE OPERATION MAKE SURE
7. 207845 CAPSCREW 5 16UNCx3 4 HSBH 21 74887 1 STANDARD HANDLE ASSEMBLY INCLUDES DECALS 74888 SHORT HANDLE ASSEMBLY INCLUDES DECALS SEAL KIT P N 74868 STANLEY HGL80 HGL80 N HGL81 HGL81 N NOTE THE FOLLOWING MODELS ARE CCW ROTATION HGL80 L HGL80 LN HGL81 L HGL81 LN HGL User Manual 4 19 06316 2 BUSHING GARLOCK O7DUOS s 08104 6 HOLLOWHEXPLUG GSAE 22064 1 ALL HGL MODELS USE THE SAME MOTOR PARTS 20 HGL User Manual i SEMBLY INCLUDES ITEM 6 74865 SEAL KIT P N 74868 ITEM 8 TORQUE TO 225 INCH LBS ITEM 14 INSTALL WITH 242 LOCTITE STANLEY 05 8 HsHCS1420X1000 s 0656 2 BUSHING GARLOCK 9 16638 1 RETAININGRING SEAL KIT P N 74868 ITEM 15 COMES IN CW OR CCW ROTATION SEE ITEM 15 IN PARTS LIST NOTE THE FOLLOWING MOD ELS ARE CW ROTATION HGL80 HGL80 N HGL81 HGL81 N NOTE THE FOLLOWING MOD ELS ARE CCW ROTATION HGL61 HGL61N HGL80 L HGL80 LN HGL81 L HGL81 LN AL ITEM 14 COMES IN CW OR CCW ROTATION SEE ITEM 14 IN PARTS LIST ITEM 6 TORQUE TO 80 INCH LBS STAN LEY HGL User Manual 4 21 STANLEY Stanley Hydraulic Tools 3810 SE Naef Road Milwaukie Oregon 97267 5698 USA 503 659 5660 Fax 503 652 1780 www stanleyhydraulics com
8. MANUAL ON SAFETY PRECAU TIONS TOOL STICKERS AND TAGS HYDRAULIC HOSE REQUIREMENTS HYDRAULIC REQUIRE MENTS AND PRE OPERATION PROCEDURES BE FORE USING THIS PRODUCT NOTE On HGL80 81 use 8 inch by 1 inch thick Type 1 grinding wheels with a 5 8 arbor hole Only use grinding wheels which comply with ANSI B7 1 ISO 525 603 1 Loosen 3 capscrews item 1 page 18 and remove the guard front plate item 20 page 18 and set aside 2 Depress the push lock item 12 page 21 to lock the spindle Unscrew the jam nut item 4 page 18 Remove the outside flange item 8 page 18 STANLEY 3 Make sure blotters or labels remain on the grind ing wheel Install the grinding wheel onto the spindle item 15 page 21 and reinstall the outside flange and jam nut 4 Depress the push lock and tighten the jam nut Only tighten sufficiently to prevent slippage of the wheel between the flanges 5 Reinstall the guard front plate and capscrews CONNECT HOSES 1 Wipe all hose couplers with a clean lint free cloth before making connections 2 Connect the hoses from the hydraulic power source to the hose couplers on the grinder It is a good prac tice to connect the return hose first and disconnect it last to minimize or avoid trapped pressure within the grinder motor 3 Observe flow indicators stamped on hose couplers to be sure that oil will flow in the proper direction The female coupler is the inlet coupler NOTE The
9. THAT YOU HAVE BEEN PROPERLY 6 AFTER EACH USE STORE IN A CLEAN DRY AREA TRAINED IN CORRECT PROCEDURES REQUIRED FOR WORK ON OR AROUND ELEC TRIC LINES DO 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 CUTTING OR CONTACT WITH HIGH TEMPERATURE SURFACES DO NOT USE IF KINKED DO NOT USE HOSE TO PULL OR LIFT TOOLS POWER UNITS ETC DO NOT REMOVE THIS TAG Svl SIHL LON OG EMEND OTHER SIDE OTHER SIDE Ww SIDE 1 SIDE 2 Shown smaller than actual size 8 HGL User Manual STAN LEY suonoeuuo 4 lt lt lt NENNEN lt Tm 1 RETURN RETURN gt gt gt El HYDRAULIC CIRCUIT PRESSURE PRESSURE
10. engagement of the tool can cause serious injury Always connect hoses to the tool hose couplers be fore energizing the hydraulic power source Be sure all hose connections are tight and are in good condi tion 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 STANLEY Do not operate the tool with the wheel guard re moved Do not operate a damaged improperly adjusted or incompletely assembled grinder Never wear loose clothing that can get entangled in the working parts of the tool Keep all parts of your body away from the rotat ing wheel Long hair or loose clothing can become drawn into rotating components Keep the wheel off all surfaces when starting the grinder Do not use a wheel that is cracked chipped or oth erwise damaged Always inspect wheels for pos sible damage before installation or use Always use wheels that conform to the specifications given in the OPERATION section of this manual Do not reverse grinding wheel rotation direction by changing fluid flow direction Do not move the tool until the wheel has stopped rotating Release the trigger if the power supply has been interrupted To avoid personal injury or equipment damage all tool repair maintenance and service must only be performed by authorized and properly trained per sonnel If
11. should be examined thoroughly before use Only use abrasive wheels that comply with ANSI B7 1 ISO 525 603 6 HGL User Manual Check that the maximum rpm operating speed of the abrasive wheel is equal to or greater than the rated shaft speed of the grinder Ensure that the grinding wheel dimensions are com patible with the grinder and that the grinding wheel fits the shaft Ensure that the thread type and size of the grinding wheel exactly matches the thread type and size of the shaft Do not operate this tool in a potentially explosive en vironment Do not grind on vessels containing com bustible substances STANLEY 74838 COMPOSITE STICKER 25414 HGL80 81 CAUTION DECAL CCW ROTATION 74829 Stanley Logo Decal NOTE THE INFORMATION LISTED ON THE STICKERS SHOWN MUST BE LEGIBLE AT ALL TIMES REPLACE DECALS IF THEY BECOME WORN OR DAMAGED REPLACEMENTS ARE AVAILABLE FROM YOUR LOCAL STANLEY DISTRIBUTOR 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 STANLEY 25556 HGL 80 81 CAUTION DECAL CW ROTATION DANGER ae 2 FAILURE TO USE HYDRAULIC HOSE LABELED AND CER TIFIED AS NON CONDUCTIVE WHEN USING HYDRAULIC TOOLS ON OR NEAR ELECTRICAL LINES MAY RESULT IN DEA
12. the material being ground creates an emission of dust and fumes use personal protective devices Never cock jam or wedge the grinding wheel during operation Never cause sparks in the vicinity of flammable ma terials Eye injury and cutting or severing of body parts is possible if proper procedures are not followed Warning Use of this tool on certain materials during demolition could generate dust potentially contain ing a variety of hazardous substances such as as bestos silica or lead Inhalation of dust containing these or other hazardous substances could result in serious injury cancer or death Protect yourself and those around you Research and understand the materials you are cutting Follow correct safety procedures and comply with all applicable national state or provisional health and safety regulations relating to them including if appropriate arranging for the safe disposal of the materials by a qualified person HGL User Manual 4 5 GRINDING WHEEL SAFETY Ensure that the grinding wheel is correctly mounted and tightened before use Operate the grinder at no load for 30 seconds in a safe position and ensure there is no vibration or other defects detected If considerable vibration or other defects are detected stop operation of the tool immediately and determine the cause Do not use the tool until the defect is corrected If the grinder is dropped with an abrasive wheel installed the abrasive wheel
13. 0 F capacity to limit max fluid temperature to 60 C 60 C 60 C 60 C at max expected ambient temperature Min cooling capacity at a temperature 3 hp 5 hp 6 hp 7 hp difference of between ambient and fluid 2 24 kW 3 73 kW 5 22 kW 4 47 kW temps 40 F 40 F 40 F 40 F NOTE 22 C 22 C 22 C 22 C 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 25 microns 25 microns 25 microns 25 microns Min full flow filtration 30 gpm 30 gpm 30 gpm 30 Gam i dirt holding capacity Hydraulic fluid Petroleum based 100 400 ssu 100 400 ssu 100 400 ssu 100 400 ssu premium grade anti wear non conductive 20 82 centistokes 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 SSU Saybolt Seconds Universal EHTMA CLASSIFICATION HYDRAULIC SYSTEM Flow Range 3 5 4 3 gpm 4 7 5 8 gpm 7 1 8 7 gpm 9 5 11 6 gpm 11 8 14 5 gpm 13 5 16 5 18 22 lpm 27 33 lpm 36 44 Ipm 45 55 Ipm Nominal Operating Pressure 1870 psi 1500 psi 1500 psi 1500 psi 1500 psi at the power supply outlet 129
14. HGL61 80 81 HYDRAULIC HORIZONTAL GRINDER HGL80 81 USER MANUAL Safety Operation and Maintenance 2015 Stanley Black amp Decker Inc New Britain CT 06053 U S A 74809 10 2015 Ver 1 SAFETY SYMBOLS u eiit tet ete tied dete tette 4 SAFETY PREGCAUTIOINS ua apas t ttt en reed serbe dn t el esed en eta ee Qr aysa EE BT bark 5 TOOL STICKERS amp TAGS D 7 HOSE TYPES sur c mati QQ 8 HOSERECOMMENDATIONSu u u uu hti seas a A agak asss 9 FIGURE 1 TYPICAL HOSE CONNECTIONS vesenet aan nett ec ern tt etn kapanda 9 REQUIREMENTS uu u 10 OPERATION me i 11 TOOL PROTECTION amp GARE te qusan ss 12 TROUBLESHOOTING uvante 13 SPECIFICATIONS oai tees 14 ACCESSORIES en 15 PARTS ILLUSTRATION iuit 16 PARTS LIS 17 HOLS0 PARTS IEEUSTEATION ctc tentare
15. P N 74868 COUPLER SET P N 03971 ONE EACH OF ITEM 2 amp 3 USED ON MODEL HGL61 COUPLER SET P N 47438 ONE EACH OF ITEM 2 amp 3 USED ON MODEL HGL61N STAN LEY HGL User Manual 4 17 18 HGL User Manual MODEL SERIAL LOCATED THIS SIDE ON BOTTOM NOTE Item 22 Short Handle Assy includes decals items 13 and 14 FLOW RATE PRESSURE amp RPM LOCATED THIS SIDE ON BOTTOM 18 NOTE ITEM 18 INCLUDES BEAR ING NOSE AND GRINDER MOTOR SEE PAGES 20 amp 21 FOR PARTS STANLEY NOTE THE FOLLOWING MODELS ARE CW ROTATION TEMA 00787 03012 HEAVY HEX JAM NUT 5 8 11UNC LEFT HAND MODELS HGL80 HGL80N HGL81 HGL81N 01714 1 HEAVY HEX JAM NUT 5 8 11UNC RIGHT HAND MODELS HGL80L HGL80LN HGL81L HGL81LN 5 03972 1 COUPLER 3 8FEM 3 8NPT FL FACE SET 03971 MODELS HGL80 HGL80L HGL81 HGL81L 47436 1 COUPLER 3 8FEM 3 8NPT FL FACE SET 47438 MODELS HGL80LN HGL80N HGL81LN HGL81N 03973 1 COUPLER 3 8MALE 3 8NPT FL FACE SET 03971 MODELS HGL80 HGL80L HGL81 HGL81L 47437 1 COUPLER 3 8MALE 3 8NPT FL FACE SET 47438 MODELS HGL80LN HGL80N HGL81LN HGL81N 2504 1 OUTSIDEFLANGE 9 2506 1 DRVEFLANGE 255 1 CAUTION STICKER CWROTATION 12 58630 2 HOSE ASSY PARKER MODELS HGL80 HGL80L HGL81 HGL81L 66728 2 HOSE ASSY AEROQUIP MODELS HGL80LN HGL80N HGL81LN HGL81N 74829 DECAL STANLEY LOGO 3 75 74838 COMPOSITE STICKER
16. TH OR SERIOUS INJURY BEFORE USING HOSE LABELED AND CERTIFIED AS NON CONDUCTIVE ON OR NEAR ELECTRIC LINES BE SURE THE HOSE IS MAINTAINED AS NON CONDUCTIVE THE HOSE SHOULD BE REGULARLY TESTED FOR ELECTRIC CUR RENT LEAKAGE IN ACCORDANCE WITH YOUR SAFETY DEPARTMENT INSTRUCTIONS A HYDRAULIC LEAK OR BURST MAY CAUSE OIL INJEC TION INTO THE BODY OR CAUSE OTHER SEVERE PERSONAL INJURY DO NOT EXCEED SPECIFIED FLOW AND PRESSURE FOR THIS TOOL EXCESS FLOW OR PRESSURE MAY CAUSE ALEAK OR BURST DO NOT EXCEED RATED WORKING PRESSURE OF HYDRAULIC HOSE 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 IN SEVERE PERSONAL INJURY D DO NOT LIFT OR CARRY TOOL BY THE HOSES DO NOT ABUSE HOSE DO NOT USE KINKED TORN OR DAMAGED HOSE MAKE SURE HYDRAULIC HOSES ARE PROPERLY CON NECTED TO THE TOOL BEFORE PRESSURING SYSTEM SYSTEM PRESSURE HOSE MUST ALWAYS BE CON NECTED TO TOOL IN PORT SYSTEM RETURN HOSE MUST ALWAYS BE CONNECTED TO TOOL OUT PORT REVERSING CONNECTIONS MAY CAUSE REVERSE 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 BYSTANDERS MAY BE INJURED IN YOUR WORK AREA KEEP BYSTANDERS CLEAR OF
17. 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 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 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 SAFETY TAG P N 15875 Shown smaller then actual size HGL User Manual 4 7 The rated working pressure of the hydraulic hose must be equal 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 si
18. bar 103 bar 103 bar 103 bar 103 bar System relief valve setting 2495 psi 2000 psi 2000 psi 2000 psi 2000 psi at the power supply outlet 172 bar 138 bar 138 bar 138 bar 138 bar NOTE These are general hydraulic system requirements See tool specification page for tool specific requirements 10 HGL User Manual STAN LEY PRE OPERATION PROCEDURES CHECK HYDRAULIC POWER SOURCE 1 Using a calibrated flowmeter and pressure gauge check that the hydraulic power source develops a flow of 7 10 gpm 26 38 Ipm at 1500 2000 psi 105 140 bar 2 Makecertain 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 TOOL 1 Make sure all tool accessories are correctly in stalled Failure to install tool accessories properly can result in damage to the tool or personal injury There should be no signs of leaks 3 The tool should be clean with all fittings and fasten ers tight CHECK TRIGGER MECHANISM 1 Check that the trigger operates smoothly and is free to travel between the ON and OFF positions CHECK GUARD ASSEMBLY 1 Inspect the wheel guard assembly if equiped for cracks and other structural damage Do not operate if damaged INSTALLING AND REMOVING GRINDING WHEELS READ AND BECOME FAMILIAR WITH THE SEC TIONS IN THIS
19. ce not Check power source for proper flow functioning and pressure 7 10 gpm 26 38 Ipm 0 1500 2000 psi 105 140 bar Couplers or hoses blocked Locate and remove restriction Hydraulic motor failure Inspect and repair Hydraulic ines not connected engaged Grinder operates too slow Check power unit for proper 7 10 26 38 Ipm Check hydraulic system for excessive back pressure over 250 psi 17 bar Oil too hot above 140 F 60 C Check hydraulic power source for or too cold below 60 F 16 C proper oil temperature Bypass cooler to warm oil or provide cooler to maintain proper temperature Relief valve set too low Adjust relief valve to 2100 2250psi 145 155 bar Hydraulic motor worn Inspect repair or replace Flow control malfunctioning Have flow control serviced at an authorized Stanley service center Grinder operates too fast Flow control malfunctioning Have flow control and valve body serviced at an authorized Stanley Service center Excessive vibration Grinding wheel or cone missing Check grinding wheel or cone for any wheel segments large missing segments of the wheel that could cause an out of balance condition Bent motor shaft Check motor shaft for any bent condition replace if necessary STAN LEY HGL User Manual 4 13 Wheel Capacity HGL61 CCW Rotation 5500 tut de Bullnose HGL80 CCW CW Rotation 8 Wheel 5500
20. 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 HGL Hydraulic Grinder will provide safe and de pendable service if operated in accordance with the in structions given in this manual Read and understand this manual and any stickers and tags attached to the grinder and hose before operation Failure to do so could result in personal injury or equipment damage The operator must start in a work area without by standers Flying debris can cause serious injury Do not operate the tool unless thoroughly trained or under the supervision of an instructor Establish a training program for all operators to ensure safe operation Always wear the appropriate safety equipment for the job such as goggles ear protection breathing mask safety shoes and head protection at all times when operating the tool Use gloves and aprons when necessary The operator must be familiar with all prohibited work areas such as excessive slopes and danger ous terrain conditions Do not inspect clean or replace the grinding wheel while the hydraulic power source is connected Do not inspect or clean the tool while the hydraulic pow er source is connected Accidental
21. mage 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 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 12 HGL User Manual Do not exceed the rated flow and pressure See Specifications in this manual for correct flow rate and pressure rating Rapid failure of the internal seals may result 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 STANLEY 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 check that the hydraulic power source is supplying the correct hydraulic flow and pressure to the grinder as listed in the table Use a flowmeter known to be accurate Check the flow with the hydraulic oil temperature at least 80 27 C ae Grinder does not run Hydraulic power sour
22. ngle 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 1 FAILURE TO USE HYDRAULIC HOSE LABELED AND CERTIFIED AS NON CONDUCTIVE DO NOT EXCEED HOSE WORKING PRESSURE OR ABUSE HOSE IMPROPER USE WHEN USING HYDRAULIC TOOLS ON OR NEAR ELECTRIC LINES MAY RESULT IN OR HANDLING OF HOSE COULD RESULT IN BURST OR OTHER HOSE FAILURE DEATH OR SERIOUS INJURY 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 ELECTRIC LINES HANDLE AND ROUTE HOSE CAREFULLY TO AVOID KINKING ABRASION CUTTING OR CONTACT WITH HIGH TEMPERATURE SURFACES
23. pressure increase in uncoupled hoses left in the sun may result in making them difficult to connect When possible connect the free ends of operating hoses together OPERATING PROCEDURES Observe all safety precautions 2 Always start the grinder with the grinding wheel or cone away from the work surface and have both hands on the grinder at all times 3 Move the hydraulic circuit control valve to the ON position 4 Squeeze the trigger momentarily If the grinder does not operate the hoses might be reversed Verify correct connection of the hoses before continuing 5 Start the grinder and move the grinding wheel or cone to the work surface 6 Grind a small amount of material at a time 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 HGL User Manual 4 11 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 da
24. s 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 DANGER 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 NOTICE to the equipment This signal word indicates a situation which if not avoided may result in dam IMPORTANT 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 HGL User Manual STAN LEY Tool operators and 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
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