IW12 Service Manual.indb
Contents
1. E Open and Closed Center HTMA Type II or III sono A 8 SAE O Ring Output Speed free Spin cananea ann 2000 rpm at 5 gpm 19 Ipm o emer 1200 Impacts per Minute Connect Size and Type AAA 3 8 inch Male Pipe Adapter A e A AAT o 250 1200 ft 15 340 1632 Nm e Ure P OWE LEVE EET 108dBA a ee eee 2 8 m sec Sound Pressure Level Ti PPP E EEE A 100 dBA ACCESSORIES DESCRIPTION PART NUMBER 3 4 inch Square Anvil to 3 4 inch Jacobs Chuck ooccconcccoccccoccnccccnoconncconnononnoconnncnnnnnnnnonnnnonnnnnnnnnonnnnnnnnnnannnnnnnnnaninnns 01857 7 16 inch Hex Shank x 1 2 inch Square Male 05117 5 8 inch Hex Shank x 1 2 inch Square Male Adapter cccocccccccnccccncconccconcncononconononnononnnnonnnnnnnnnonnnnnnnnncnnnnnnnnnnencnnnns 05080 3 4 inch Square Anvil to 5 8 inch Hex Quick Change 06790 Auger Drill Bits Lineman s Style 5 8 inch Hex Shank use with Hex Adapter 06790 5 8 Hex Pole Bit 9 16 x 18 x 22 Overall 27845 5 8 Hex Pole Bit 13 16 x 18 x 22 Overall ii 278472. SERIOUS INJURY OR DEATH COULD RESULT FROM IM OF THIS TOOL REPAIRS AND OR SERVICE TO THIS TOOL MUST ONLY BE DONE BY AN AUTHORIZED AND CERTIFIED DEALER PROPER REPAIR OR SERVICE To avoid serious injury or death Wear Eye Protection Wear Ear Protection Wear Dust Mask 47351 Copyright The Stanley Works 2005 OPS SVCE USA Printed in U S A 08074 3 2005 ver 2 IW12 HYDRAULIC IMPACT WRENCH SAFETY OPERATION AND MAINTENANCE SERVICE MANUAL Stanley Hydraulic Tools 3810 SE Naef Road Milwaukie OR 97267 5698 503 659 5660 FAX 503 652 1780 www stanley hydraulic tools com TABLE OF CONTENTS SAFE ita 5 AFET FRECA PP m 6 STICKERS pc 7 HXDISAUEIS REQUIREMENTS 2 das ee 8 jm gcse ee 8 nn zp Ae 8 AHO EPRE SURE RATIO 8 FEENS mm IR EES cesan GA ee ee ee A A eee er re 9 eii 10 EQUIPMENT PROTECTION amp batas 12 TROUBLE 13 afa a in ai a didas 14 a 14 SS SR o 15 PRI
3. 4 12 GPM 15 45 LPM Fallure to use hydraulic hose labeled and certified as non conductive when using hydraullc tools on DO NOT EXCEED 2000 PSI 140 BAR or near electric lines may result In death or DO NOT EXCEED SPECIFIED FLOW OR PRESSURE USE serious Injury CLOSED CENTER TOOL ON CLOSED CENTER SYSTEM INO USE OPEN CENTER TOOL ON OPEN CENTER SYSTEM 1 5 45 L M 4 1 2 P M CORRECTLY CONNECT HOSE TO TOOL IN AND OUT For proper and safe operation read owners manual PORTS IMPROPER HANDLING USE OR MAINTENANCE OF IW 4 2 TOOL COULD RESULT IN A LEAK BURST OR OTHER TOOL 1 40 BAR 2000 5 and make sure that you have been properly FAILURE CONTACT AT A LEAK OR BURST CAN CAUSE OIL EE JON trained In correct procedures required for work INJECTIONS INTO THE BODY FAILURE TO OBSERVE Fr on of around electio Ines THESE PRECAUTIONS CAN RESULT IN SERIOUS PERSONAL GPM PRESSURE DANGER 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 FAILURE TO USE HYDRAULIC HOSE LABELED AND CERTIFIED AS NON CONDUCTIVE WHEN USING HY
4. 14 SERVICE Good maintenance practice keeps the wrench on the job and increases its service life The most important maintenance practice is to keep the hy draulic fluid clean at all times Contaminated hydraulic fluid causes rapid wear and or failure of internal parts Follow the procedures contained in the Hydraulic System Requirements section of this manual to ensure peak perfor mance from the tool Never disassemble the main housing unless proper trou bleshooting procedures have isolated the problem to an internal part Then disassemble the tool only to the extent necessary to replace the defective part KEEP CONTAMI NANTS SUCH AS DIRT AND GRIT AWAY FROM INTER NAL PARTS AT ALL TIMES Always determine and correct the cause of the problem prior to reassembly Further wear and tool failure can result if the original cause is not corrected IMPORTANT The impact mechanism is subject to grease squeeze out Impact heat accumulation centrifugal force throwing the grease away from moving parts and an expansion pressure pushing lubricant out the anvil bushing Maintenance intervals vary with daily cycles impact energy intensity and lubricant quality It is very important that an inspection schedule be established to ensure that parts inside the mechanism are well lubricated Be sure to remove any grease that ap pears to be burned Make sure grease is packed around all parts PRIOR TO DISASSEMBLY Clean the exter
5. 1 4 1 1 1 1 1 1 1 2 2 1 1 1 1 1 1 1 1 1 1 1 NN a 2 lA BPR PY 00 22 WARRANTY Stanley Hydraulic Tools hereinafter called Stanley subject to the exceptions contained below warrants new hydraulic tools for a period of one year from the date of sale to the first retail purchaser or for a period of 2 years from the shipping date from Stanley whichever period expires first to be free of defects in material and or workmanship at the time of delivery and will at its option repair or replace any tool or part of a tool or new part which is found upon examination by a Stanley authorized service outlet or by Stanley s factory in Milwaukie Oregon to be DEFECTIVE IN MATERIAL AND OR WORKMANSHIP EXCEPTIONS FROM WARRANTY NEW PARTS New parts which are obtained individually are warranted subject to the exceptions herein to be free of defects in material and or workmanship at the time of delivery and for a period of 6 months after the date of first usage Seals and diaphragms are warranted to be free of defects in material and or workmanship at the time of delivery and for a period of 6 months after the date of first usage or 2 years after the date of delivery whichever period expires first Warranty for new parts is limited to replacement of defective parts only Labor is not covered FREIGHT COSTS Freight costs to return parts to Stanley if requested by Stanley for the p
6. Type Tipo Tipo IW1214001 IW1234001 4 Type serial number of equipment Typ und Serien Nr der Ausr stung Num ro dans la s rie du type de materiel All Numero de serie tipo del equipo Matricola dell attrezzatura 5 Year of manufacture Baujahr ann e de fabrication Afio de fabricacion Anno di fabbricazione 2004 has been manufactured in conformity with EEC Type examination as shown wurde hergestellt in bereinstimmung mit EEC Typ Pr fung nach est fabriqu conform ment au x type s examin s comme indiqu dans le tableau ci apres ha sido fabricado de acuerdo con tipo examen EEC como dice e stata costruita in conformit con le norme CEE come illustrato examen de type Directive Approved body Date of expiry Richtlinie Pr fung durch Ablauf datum Directives particuli res Organisme agr Date d expiration Directriz Aprobado Fecha de caducidad Direttiva Collaudato Data di scadenza 792 6 3744 28662 7 Machinery Directive 98 37 EC 6 Special Provisions None Spezielle Bestimmungen Dispositions particuli res Provisiones especiales Misure special Done at Ort Fait a Dado en Fatto a Stanley Hydraulic Tools Milwaukie Oregon USA Date Datum le Fecha Data 6 08 04 7 Ps fy an ae m y a ud Signature Unterschrift Signature Firma Firma Position Position Fonction Puesto Posizione Engineering Manager Rev01 6 04 SAFETY SYMBOLS Safety symbol
7. bolt or fastener you wish to set the wrench for Watch the flow and pressure tester to be certain that maximum flow and pressure are not being exceeded 5 Check the fastener with a torque wrench to determine the actual torque being delivered by the impact wrench 6 To increase the torque turn the relief adjustment screw clockwise NO MORE THAN ONE TURN FROM THE BOT TOM To reduce torque turn the relief adjustment screw counterclockwise NO MORE THAN THREE TURNS FROM THE TOP OF ITS TRAVEL Check the torque with a torque wrench 7 When adjustment is complete securely tighten the jam nut IW12 PARTS ILLUSTRATION STANDARD IMPACT MECHANISM MODEL art number 06790 apt 3 4 inch Square 8 inch Hex Quick art number 01857 apt 3 4 inch Square 4 inch 3 Jaw Jacobs used to a 4 Drive tos A Change 4 Adapter Drive to 3 Y used to a IW12 PARTS LIST STANDARD IMPACT MECHANISM Item Part Description Item Part Description No No No No O OND OF BW DY e lA lA A ADN I lI lI ll KR BR NI 3 2 Main Housing Assy Incl Items 2 amp 3 Main Housing Assy Underwater Incl Items 2 amp 3 Valve Sleeve Du Bushing Garlock 14Du12 Spring Spring Rest Spring Relief Poppet Relief Seat Valve Spool Open Center Lockwasher 5 16 in Lockwasher 5 16 in Stainless Steel O Ring Spool Cap Underwater O Ring Headed Push Pin Un
8. over lubrication 3 Lubricate the hammer case bushing and slide onto the anvil 4 Grease the thrust bearing and thrust races Install the thrust race thrust bearing and remaining thrust race on the main shaft in this order 5 Install a new hammer case gasket or O ring On under water models lubricate and install the O ring in the ham mer case bushing bore Slide the hammer case assembly onto the anvil and secure with the four 3 8 16 x 1 3 4 inch 44 mm long socket head capscrews and lockwashers Tighten to a torque of 13 15 ft Ib 17 6 20 3 Nm SERVICE 6 On underwater models secure the lower trigger guard to the main housing using the 10 24 x 1 3 4 inch 44 mm long socket head capscrew and locknut WRENCH DISASSEMBLY 8 REASSEMBLY FOR REPAIR MOTOR DISASSEMBLY 1 Remove the impact mechanism as described in the Impact Mechanism Removal and Installation section of this manual 2 Remove the eight 3 8 16 x 1 3 4 inch 44 mm long socket head capscrews and lockwashers securing the motor cap assembly to the main housing 3 With the wrench handle gripped in a vise press on the splined end of the main shaft with one hand and support the motor cap assembly with the other Press the motor cap assembly gears and O ring out of the main housing DO NOT pry or in any way excessively force the motor cap as sembly off of the main housing 4 Remove the large O ring from the motor cap assembly 5 Remove the idler gear idler s
9. replaced before further opera tion of the wrench SHAFTS The main diameter at the bushing locations must be smooth Grooves roughness or a reduced diameter indi cates fluid contamination and damaged bushings MAIN HOUSING DISASSEMBLY Note See the Parts List section of this manual for orientation of parts in the main housing assembly 1 Remove the 1 4 20 x 1 4 inch 6 mm long internal hex set screw securing the reversing spool lever and remove the lever from the reversing spool 2 Remove the retaining ring at the opposite end of the reversing spool 3 Pressing on the retaining ring end of the reversing spool carefully slide the reversing spool in just far enough to gain access to the back up ring and O ring on the lever side Remove the back up ring with the appropriate O ring tool 4 Pressing on the lever end of the reversing spool care SERVICE fully slide the reversing spool out of the main housing Remove the back up ring and O ring with the appropriate O ring tool 5 Remove the 10 24 x 1 3 4 inch 44 mm long socket head capscrew and locknut or spirol pin securing the trigger to the trigger pivot Remove the trigger 6 Pull the needle roller from the spool cap or unscrew the spool cap and remove the headed push pin Remove the O rings and wiper 7 Slide the valve spool relief seat relief poppet sprint rest and two springs out of the main housing See the Parts List section of this manual for clar
10. 0 bar Supply and return hoses reversed Install hoses correctly Refer to Opera tion Instructions in this manual Relief sleeve or spring damaged Remove and replace spool assembly Adjusting screw is in too far Adjust correctly Grease leaks at anvil busing wrench Hard duty cycle and heat forces Normal unless greasing instructions in warm grease out Service Instructions are not followed Grease leaks at anvil bushing wrench Main shaft O ring leaking Replace as required cold Oil leak at motor cap face Tighten to recommended torque Face O ring worn or missing Replace as required Motor cap main housing damaged Replace as required Oil leaks at reversing spool Damaged O rings Replace as required Check Service Instructions to avoid cutting O rings on cross holes in the spool bore Wrong hydraulic fluid Circuit too hot Refer to Operation Instructions for correct fluid circuit specifications 13 SPECIFICATIONS DIVO SIZE MR 3 4 inch Square Drive 5 8 inch Hex Quick Change T 14 165 6 kg SERRE Somn 9 1 2 inch 24 cm je etr 4 inch 10 cm SS SUIS I ao E 1000 2000 psi 70 140 bar xsv 9 4 12 gpm 15 45 lpm OPUN qM e o A e 5 10 gpm 20 38 SSL
11. DRAULIC TOOLS ON OR NEAR ELECTRICAL LINES MAY RESULT IN DEATH 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 CURRENT LEAKAGE IN ACCORDANCE WITH YOUR SAFETY DEPART MENT INSTRUCTIONS A HYDRAULIC LEAK OR BURST MAY CAUSE OIL INJECTION INTO THE BODY OR CAUSE OTHER SEVERE PERSONAL INJURY A DO NOT EXCEED SPECIFIED FLOW AND PRESSURE FOR THIS TOOL EXCESS FLOW OR PRESSURE MAY CAUSE A LEAK OR BURST B DO NOT EXCEED RATED WORKING PRESSURE OF HY DRAU LIC HOSE USED WITH THIS TOOL EXCESS PRESSURE MAY CAUSE ALEAK OR BURST C CHECK TOOL HOSE COUPLERS AND CONNECTORS DAILY FOR LEAKS DO NOT FEEL FOR LEAKS WITH YOUR 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 OPERA TION MANUAL TAG TO BE REMOVED ONLY BY TOOL OPERATOR SEE OTHER SIDE 7 D DO OR CARRY TOOL BY THE HOSES DO NOT ABUSE HOSE DO NOT USE KINKED TORN OR DAMAGED HOSE MAKE SURE HYDRAULIC HOSES ARE PROPERLY CONNECTED TO THE TOOL BEFORE PRESSURING SYSTEM SYSTEM PRESSURE HOSE MUST ALWAYS BE CONNECTED TO TOOL IN PORT SYSTEM RETURN HOSE MUST ALWAYS BE CONNECTED TO TOOL OUT PORT REVERSING CONNEC TIONS MAY CAUSE REVERSE TOOL OPERATION WHICH CAN RESULT IN SEVERE P
12. ERSONAL INJURY DONOT CONNECT OPEN CENTER TOOLS TO CLOSED CEN TER 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 YOUR WORK AREA WEAR HEARING EYE FOOT HAND AND HEAD PROTEC TION 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 OPERA TION MANUAL TAG TO BE REMOVED ONLY BY TOOL OPERATOR SEE OTHER SIDE SAFETY TAG P N 15875 shown smaller then actual size HYDRAULIC HOSE REQUIREMENTS HOSE TYPES Hydraulic hose types authorized for use with Stanley Hydraulic Tools are as follows Q Certified non conductive Wire braided conductive Fabric braided not certified or labeled non conductive Hose O listed above is the only hose authorized for use near electrical conductors Hoses e listed above are 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 Hydrau lic Tools DO NOT REMOVE THESE TAGS If the information on a tag is illegible because of w
13. ESSURE RATING The rated working pressure of the hydraulic hose must be equal to or higher than the relief valve setting on the hydraulic system HTMA REQUIREMENTS TOOL CATEGORY FJ 20Lpmat 138bar ff BHTMA CATEGO HYDRAULIC SYSTEM f he REQUIREMENTS TYPE 1 TYPEII TYPEIII TYPE RR FLOW RATE 4 6 11 13 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 138 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 152 159 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 140 F 140 F Sufficient heat rejection capacity 60 C 60 C to limit max fluid temperature to at max expected ambient temperature Min cooling capacity 3 hp 5 hp 7 hp 6 hp at a temperature difference of 2 24 kW 3 73 kW 4 47 kW 5 22 kW between ambient and fluid temps 40 40 40 40 F 22 22 22 22 Do not operate the tool at oil temperatures above 140 60 Oper
14. GINEERING WARRANTY REGISTRATION STANLEY ASSUMES NO LIABILITY FOR WARRANTY CLAIMS SUBMITTED FOR WHICH NO TOOL REGISTRATION IS ON RECORD In the event a warranty claim is submitted and no tool registration is on record no warranty credit will be issued without first receiving documentation which proves the sale of the tool or the tools first date of usage The term DOCUMENTATION as used in this paragraph is defined as a bill of sale or letter of intent from the first retail customer A WARRANTY REGISTRATION FORM THAT IS NOT ALSO ON RECORD WITH STANLEY WILL NOT BE ACCEPTED AS DOCUMENTATION NO ADDITIONAL WARRANTIES OR REPRESENTATIONS This limited warranty and the obligation of Stanley thereunder is in lieu of all other warranties expressed or implied including merchantability or fitness for a particular purpose except for that provided herein There is no other warranty This warranty gives the purchaser specific legal rights and other rights may be available which might vary depending upon applicable law 23 Stanley Hydraulic Tools 3810 SE Naef Road Milwaukie Oregon 503 659 5660 Fax 503 652 1780 www stanley hydraulic tools com
15. Install the four 3 8 16 x 1 3 4 inch 44 mm long socket head capscrews and lockwashers Tighten to a torque of 13 15 ft Ib 17 6 20 3 Nm 10 Lubricate and install the O ring and back up ring O ring toward the center then the back up ring toward end on the retaining ring end of the reversing spool 11 Slide the reversing spool into the main housing from the right side as the wrench is held during operation Install only far enough to install the O ring and back up ring on the lever side of the reversing spool with the back up ring toward the end 12 Center the reversing spool and install the retaining ring 13 Turn the reversing spool so the hole will be pointing up Align the hole in the lever with the hole in the revers ing spool and install the lever Secure with the 1 4 20 x 1 4 inch 6 mm long internal hex set screw Tighten the set screw securely IMPACT INTENSITY ADJUSTMENT When shipped from Stanley the wrench has been set to produce approximately 800 1000 ft lb 1085 1356 Nm of torque The adjustment is made using an 8 gpm 30 lpm input flow to tighten a lubricated 2 3 4 inch thread Skidmore standard bolt tension tester At hydraulic flows over 8 gpm 30 lpm power may exceed the mechanical capacity and cause mechanism discharge Adjust for lower power for flows below 8 gpm 30 Ipm In crease the adjustment for more power For other circuit flows bolt types and torque requirements the impact intensity can be adjusted b
16. MPT TO MEND THE HOSE 6 AFTER EACH USE STORE IN A CLEAN DRY AREA DO NOT REMOVE THIS TAG OVL SIHL 34AONW3 H LON OQ shown smaller than actual size THE TAG SHOWN BELOW IS ATTACHED TO CONDUCTIVE HOSE DANGER DANGER 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 5 CHECK ENTIRE HOSE FOR CUTS CRACKS LEAKS ABRASIONS BULGES OR DAMAGE TO ELECTRICAL LINES MAY RESULT IN DEATH OR SERIOUS INJURY COUPLINGS IF ANY OF THESE CONDITIONS EXIST REPLACE THE HOSE IMMEDIATELY NEVER USE TAPE OR ANY DEVICE TO ATTEMPT TO MEND THE HOSE FOR PROPER AND SAFE OPERATION MAKE SURE THAT YOU HAVE BEEN PROPERLY ES PROCEDURES REQUIRED FOR WORK ON OR AROUND 6 AFTER EACH USE STORE IN A CLEAN DRY AREA 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 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 A OVL SIHL AAOWSY LON OQ lt ke 2 L He gt gt c E O 2 a shown smaller than actual size HOSE PR
17. OR TOD A EMBL att 15 IMPACT MECHANISM REMOVAL CLEANING amp eeen 15 15 IN SEA CEAT M 15 WRENCH DISASSEMBLY amp REASSEMBLY FOR REPAIR ia 16 MOTOR DDASS EI qt tad 16 MOTOR CLEANING S INSPECTION M M 16 ce e on 16 BUSHINGS MAIN THOU SING S MOTOS CAP epi is ici betas 16 GEAR CHAMBER MOTOR ne ee 16 GEAR 16 ys duel e A To 16 A cece 16 MAIN ROUSING DISAsSSEVIB Veis atico il ibn 16 PRIOR TO REAS gt rc 17 MAIN HOUSING ee o epica cio eer ee ne 17 MOTORA o EMBE e a E 17 IMPACT INTENSITY ADJ certo stas 18 BM Ipusy gg 18 STANDARD IMPACT MECHANISM 19 o a 20 HEAVY DUTY IMPACT MECHANISM MODEL 2 eee 21 WA el Sed Roy Mo auna ee 22 e T 23 SERVICING THE STANLEY HYDRAULIC IMPACT WRENCH This manual contains safe
18. able law in no event will STANLEY be liable for any incidental consequential or special damages and or expenses FREIGHT DAMAGE Damage caused by improper storage or freight handling LOSS TIME Loss of operating time to the user while the tool s is out of service IMPROPER OPERATION Any failure or performance deficiency attributable to a failure to follow the guidelines and or procedures as outlined in the tool s operation and maintenance manual MAINTENANCE Any failure or performance deficiency attributable to not maintaining the tool s in good operating condition as outlined in the Operation and Maintenance Manual HYDRAULIC PRESSURE 8 FLOW HEAT TYPE OF FLUID Any failure or performance deficiency attributable to excess hydraulic pressure excess hydraulic back pres sure excess hydraulic flow excessive heat or incorrect hydraulic fluid REPAIRS OR ALTERATIONS Any failure or performance deficiency attributable to repairs by anyone which in Stanley s sole judgement caused or contributed to the failure or deficiency MIS APPLICATION Any failure or performance deficiency attributable to mis application Mis application is defined as usage of products for which they were not originally intended or usage of products in such a matter which exposes them to abuse or accident without first obtaining the written consent of Stanley PERMISSION TO APPLY ANY PRODUCT FOR WHICH IT WAS NOT ORIGINALLY INTENDED CAN ONLY BE OBTAINED FROM STANLEY EN
19. ation at higher temperatures 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 gpm Sized for flow of at least 114 Ipm 114 lpm 114 lpm 114 lpm For cold temp startup and max dirt holding 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 require ments over a wide range of operating temperatures SSU Saybolt Seconds Universal NOTE These are general hydraulic system requirements See tool Specification page for tool specific requirements OPERATION WRENCH TORQUE INFORMATION FACTORS THAT AFFECT TORQUE An impact wrench is a rotary hammer that impacts the head of a bolt or nut It does not apply a slow steady torque as a standard torque wrench Therefore several factors affect the result of torque when using impact wrenches 1 LONG BOLTS Long bolts having high friction threads with lubrication under the bolt head or associated nut can twist when impacted then untwist before the next impact This will especially happen if there i
20. chart can be used as a guide to correct the problem When diag nosing faults in operation of the wrench always check that the hydraulic power source is supplying the correct hydraulic flow and pressure to the tool as listed in the following table Use a flow meter known to be accurate Check the flow with the hydraulic fluid temperature at least 80 F 27 PROBLEM CAUSE SOLUTION Low performance or impact Incorrect hydraulic flow Check that the hydraulic power source is producing 4 12 gpm 15 45 at 1000 2000 psi 70 140 bar Defective quick disconnects Check each quick disconnect Worn impact mechanism Repair or replace the impact mecha nism See Service Mechanism Re moval Cleaning and Installation proce dure to extend mechanism life Hammer pins broken Replace with integral frame with pins Check relief adjustment screw setting Job may require a larger wrench Incorrect grease or periodic mainte See Service Instructions nance of the impact mechanism is not being performed Spools incorrectly installed Valve s incorrectly reassembled See Service Instructions Sockets or adapters too heavy or Use the correct impact type sockets or loose adapters Long bolt with lubricated head Lubricate threads only Incorrect hydraulic flow too high Check that hydraulic power source Wrench runs too fast Impact mecha nism or screws broken is producing 4 12 gpm 15 45 Ipm at 1000 2000 psi 70 14
21. derwater Trigger Trigger Underwater Trigger CE Capscrew 10 24 x 1 3 4 Hex Socket Hd Capscrew 10 24 x 1 3 4 Hex Socket Hd Stainless Steel Reversing Spool O Ring Back Up Ring Retaining Ring Lever Setscrew 1 4 20 x 3 8 Setscrew 1 4 20 x 1 4 Stainless Steel Underwater Motor Cap Assy Incl Item 3 Idler Gear Assy Inc Item25 Idler Gear Bushing Idler Shaft Main Shaft O Ring Nut 5 16 18 Nut 5 16 18 Stainless Steel Underwater Relief Adjustment Screw Capscrew 3 8 16 x 1 3 4 Hex Socket Hd Stainless Steel Underwater Capscrew 3 8 16 x 1 3 4 Hex Socket Hd Lockwasher 3 8 Lockwasher 3 8 Stainless Steel Underwater O Ring Pilot Ring O Ring Back Up Ring Back Up Washer Retaining Ring Thrust Race Thrust Bearing Rod Wiper Underwater Capscrew 3 8 16 x 1 3 4 Hex Socket Hd Capscrew 3 8 16 x 1 3 4 Hex Socket Hd Stainless Steel Underwater Capscrew 10 24 x 1 Hex Socket Hd Stainless Steel Underwater 20 Hammer Hammer Frame Assy Incl Hammer Pins Trigger Guard Underwater Anvil 3 4 in Square Drive Anvil Underwater Model IW1234001 Hammer Case Assy Incl Item 49 Hammer Case Assy Underwater Model IW1234001 Hammer Case Bushing Hammer Case Bushing Underwater O Ring Land amp Underwater O Ring Underwater Adapter 1 2 SAE to 3 8 NPT Male Locknut 10 24 Decal Closed Center Impact Mechanism 3 4 Square Impact Mechanism 3 4 Squar
22. e Underwater SEAL KIT LAND MODEL SEAL KIT UNDERWATER MODEL IW12 PARTS ILLUSTRATION HEAVY DUTY IMPACT MECHANISM MODEL 21 IW12 PARTS LIST HEAVY DUTY IMPACT MECHANISM Item Part Qty Description Item Part Qty Description No No No No 55 1 Main Housing Assy Name Tag 56 Decal Closed Center Du Bushing Garlock 14Du12 Plastic Plug Not Illustrated Spring Spring Relief Poppet Relief Seat Valve Spool Open Center Lockwasher 5 16 in O Ring Spool Cap Underwater O Ring Headed Push Pin Trigger Capscrew 10 24 x 1 3 4 Hex Socket Hd Reversing Spool O Ring Back Up Ring Retaining Ring Lever Setscrew 1 4 20 x 3 8 Motor Cap Assy Incl 3 Idler Gear Assy Inc Item25 Idler Gear Bushing Idler Shaft Main Shaft O Ring Nut 5 16 18 Relief Adjustment Screw Capscrew 3 8 16 x 1 3 4 Hex Socket Hd Stainless Steel Underwater Lockwasher 3 8 O Ring Wiper O Ring Back Up Ring Back Up Washer Retaining Ring Thrust Race Thrust Bearing Capscrew 3 8 16 x 1 3 4 Hex Socket Hd Impact Mechanism Standard Hammer Hammer Frame Hammer Pin Anvil 3 4 in Square Drive Standard Anvil 3 4 in Square Drive 12 in Extnd Hammer Case Assy Hammer Case Bushing O Ring Land amp Underwater Retaining Ring Thrust Bearing Race Thrust Bearing Retainer Adapter 1 2 SAE to 3 8 NPT Male Locknut 10 24 gt 1 1 2 1 1 1 1 1
23. e applications DO NOT USE STANDARD SOCKETS OR ACCESSORIES THESE CAN CRACK OR FRACTURE DURING OPERATION 10 OPERATION 3 Select the direction of impact desired using the rotary reversing valve located on the left side of the wrench To select clockwise direction move the lever toward the front drive end of the wrench To select counterclockwise direc tion move the lever to the rear handle end of the wrench Note To more accurately tighten bolts lubricate threads check with a torque wrench and duplicate time of im pacting for other bolts of the same length and thread size 4 Squeeze the trigger to activate the wrench 5 Release the trigger to stop the wrench COLD WEATHER OPERATION If the wrench is to be used during cold weather preheat the hydraulic fluid at low engine speed When using the nor mally recommended fluids fluid temperature should be at or above 50 F 10 C 400 ssu 82 centistokes before use Damage to the hydraulic system or wrench can result from use with fluid that is too viscous or too thick POST OPERATION UNDERWATER MODELS ONLY The wrench impact mechanism must be cleaned and greased with waterproof grease after every day of use The main housing valve and motor are sealed and do not require maintenance unless they are malfunctioning Remove clean grease and assemble the impact mecha nism as described in the IW12 Service Manual 11 EQUIPMENT PROTECTION amp CARE In add
24. e labeled and certified as non conductive To avoid personal injury or equipment damage all tool repair maintenance and service must only be performed by au thorized and properly trained personnel TOOL STICKERS amp TAGS f Fallure to 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 M 25610 e 4 RAILROAD HELP DESK DECAL 12412 WA 28788 MANUAL DECAL DANGER DECAL ROTATION DIRECTION 29530 DECAL SOUND POWER LEVEL DECAL CE CAUTION 4 12 GPM 15 45 LPM DO NOT EXCEED 2000 PSI 140 BAR 28322 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 CE DECAL CE 30 LPM 138 BAR EHTMA CATEGORY 03788 GPM DECAL Stanley Hydraulic Tools Milwaukie Oregon USA 11207 CIRCUIT TYPE D DECAL CE DANGER
25. ear 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 OR WHEN USING HYDRAULIC TOOLS ON OR NEAR ELECTRIC LINES MAYRESULT IN DEATH HANDLING OF HOSE COULD RESULT IN BURST OR OTHER HOSE FAILURE KEEP OR SERIOUS INJURY HOSE AS FAR AWAY AS POSSIBLE FROM BODY AND DO NOT PERMIT DIRECT CONTACT FOR PROPER AND SAFE OPERATION MAKE SURE THAT YOU HAVE BEEN PROPERLY DURING USE CONTACT AT THE BURST CAN CAUSE BODILY INJECTION AND SEVERE TRAINED IN CORRECT PROCEDURES REQUIRED FOR WORK ON OR AROUND PERSONAL INJURY ELECTRIC LINES HANDLE AND ROUTE HOSE CAREFULLY TO AVOID KINKING ABRASION CUTTING OR CONTACT WITH HIGH TEMPERATURE SURFACES DO NOT USE IF KINKED DO NOT USE 2 BEFORE USING HYDRAULIC HOSE LABELED AND CERTIFIED AS NON CONDUCTIVE ON HOSE TO PULL OR LIFT TOOLS POWER UNITS ETC OR NEAR ELECTRIC LINES WIPE THE ENTIRE LENGTH OF THE HOSE AND FITTING PEN DR ABSORBENT REMOVE DIR TAND MOSISTURE AND Test 5 CHECK ENTIRE HOSE FOR CUTS CRACKS LEAKS ABRASIONS BULGES OR DAMAGE TO HOSE FOR MAXIMUMALLOWABLE CURRENT LEAKAGE INACCORDANCE COUPLINGS IF ANY OF THESE CONDITIONS EXIST REPLACE THE HOSE IMMEDIATELY DEPARTMENT INSTRUCTIONS NEVER USE TAPE OR ANY DEVICE TO ATTE
26. haft and main shaft 6 If the relief adjustment screw O ring requires replace ment loosen the jam nut and remove the relief adjustment screw Be sure to count the number of turns required to remove it so it can be replaced in the same position Refer to the Impact Adjustment section of this manual MOTOR CLEANING amp INSPECTION CLEANING Clean all parts with a degreasing solvent Blow dry with compressed air and wipe clean Use only lint free cloths BUSHINGS MAIN HOUSING amp MOTOR CAP The inside of the bushings should be gray in color If a sig nificant amount of yellow bronze shows bushing replace ment is required Inspect shafts for corresponding wear and replace as required GEAR CHAMBER MOTOR CAP The gear chamber bores and end faces around the bores should be polished not rough or grooved The flat surfaces around the chamber and bolt holes should be flat and free of nicks and burrs that could cause misalignment or leaks GEARS Both gears should have flat straight tips without nicks They should have a smooth even polish on the teeth and end faces Discard the gear if cracks are present MAIN HOUSING ASSEMBLY The gear running surfaces should show two inter connect ing polished circles without a step or roughness IMPORTANT If abnormal wear occurs in excess of normal polish ing both shafts and associated bushings must be replaced The hydraulic system should be thoroughly flushed and the filter
27. ification if required If the valve sleeve requires replacement the main housing should be returned to and authorized Stanley Hydraulic Tools dealer for repair Note The valve sleeve will remain in the main housing It is not removable There is only a small visual difference between the valve spool used the open center or closed center wrenches DO NOT confuse them when reassembling the wrench An open center spool has outer ring widths of less than 0 3 inches 7 mm while the closed center spool has outer ring widths of over 0 4 inch es 10 mm 8 Remove the retaining ring at the impact mechanism end of the main housing Remove the back up washer and O ring The O ring is subject to severe wear and should be replaced whenever the main shaft is serviced PRIOR TO REASSEMBLY Clean all parts with a degreasing solvent Ensure that all seals exposed during disassembly are re placed with new parts Apply clean grease or O ring lubricant to all parts during as sembly Note For parts orientation see the Parts List section of this manual MAIN HOUSING ASSEMBLY 1 Lubricate and install the relief seat in the valve spool notched end aligned with strut followed by the relief pop pet small spring and spring seat see parts illustration for correct orientation of the spring seat 2 Set the large spring on the open end of the reversing spool 3 Hold the wrench so the trigger portion faces downward Slide the compone
28. ior of the tool Obtain Impact Grease part number 02718 for Land Mod els and Waterproof Impact Grease part number 03201 for Underwater Models Obtain Seal Kit part number 08073 or 13695 so all seals exposed during disassembly can be replaced during reas sembly IMPACT MECHANISM REMOVAL CLEANING amp INSTALLATION REMOVAL 1 Remove the four 3 8 16 x 1 3 4 inch 44 mm long socket head capscrews and lockwashers securing the hammer case assembly to the main body assembly 2 On underwater models loosen and remove the 10 24 x 1 3 4 inch 44 mm long socket head capscrew and locknut or spirol pin securing the lower end of the trigger guard to the main housing assembly and swing the trigger guard away 3 Hold the wrench with the impact mechanism pointing down and depress the trigger while pulling the hammer case gasket and impact mechanism away from the hous ing assembly 4 Remove the thrust bearing and two thrust races if they were not removed with the impact mechanism 5 Turn the hammer case anvil up The impact mechanism components will drop into your hand 6 Remove the two hammer pins from the hammer frame The hammer and anvil can be removed at this time INSTALLATION 1 Thoroughly clean all parts of the mechanism 2 Using the correct impact grease lubricate the inside of the hammer frame and install the hammer anvil and two hammer pins The inside of the hammer case should be free of grease to avoid
29. ition to the Safety Precautions in this manual observe the following for equipment protection and care Make sure all couplers are wiped clean before connection The hydraulic circuit control valve must be in the OFF position when coupling or uncoupling hydraulic tools Failure to do so may result in damage to the quick couplers and cause overheating of the hydraulic 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 disconnect is connected to the opposite port Do not reverse circuit 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 minimum working pressure rating of 2500 psi 172 bar Do not exceed the rated flow see Specifications in this manual for correct flow rate and model number 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 12 TROUBLESHOOTING If symptoms of poor performance develop the following
30. lean lint free cloth before making connections 2 Connect hoses from the hydraulic power source to the tool fittings or quick disconnects It is good practice to con nect the return hose first and disconnect it last to minimize or eliminate trapped pressure within the wrench 3 Observe the flow indicators stamped on the main body assembly and the hose couplers to ensure that the flow is in the proper directions The female couple on the tools IN port is the inlet pressure coupler Note If the uncoupled hoses are left in the sun pressure increase within the hoses can make them difficult to connect Whenever possible connect the free ends of hoses together WRENCH OPERATION The IW12 is designed for 3 4 inch square sockets and accessories Adapter part number 06790 or equivalent will permit the use of 5 8 inch quick change drive attachments Normal applications include installation or removal of fas teners requiring torque in the range of 300 1200 ft Ib 407 1627 Nm and auger bit wood boring DO NOT use the wrench as a hammer drill for metal drilling During normal operation it is common to see some grease leakage from around the anvil during hard use Refer to the IW12 Service Manual for the correct lubrication proce dures 1 Observe all Safety Precautions 2 Move the hydraulic circuit control valve to the ON posi tion to operate the wrench Always use sockets and accessories designed for impact typ
31. nts assembled above into the main housing 4 Lubricate and install the two O rings and wiper on the spool cap Insert the headed push pin into the spool cap 5 Screw the spool cap into the main housing Tighten securely 6 Install the trigger using the 10 24 x 1 3 4 inch 44 mm long socket head capscrew and locknut or spirol pin MOTOR ASSEMBLY 1 Lubricate and install the O ring in the relief adjustment screw bore in the motor cap 2 Install the relief adjustment screw with the jam nut posi tioned near the screw head Install with the same number of turns counted when disassembled to maintain the correct impact force Tighten the jam nut Refer to Impact Adjust ment section of this manual 3 Install the main shaft idler gear and idler shaft in the motor cap 4 Lubricate and install the large O ring in the groove of the motor cap 5 Carefully slide the main housing over the main shaft until it seats securely against the motor cap 6 Lubricate and install the eight 3 8 16 x 1 3 4 inch 44 mm long socket head capscrews and washers Tighten to a torque of 22 25 ft Ib 29 8 33 9 Nm SERVICE 7 Lubricate and install the O ring on the main shaft Install the back up ring back up washer and retaining ring 8 Grease the thrust bearing and thrust washers and install on the main shaft Install the hammer case gasket or O ring and replace the mechanism See parts illustration for thrust bearing part sequence 9
32. s and signal words as shown below are used to emphasize all operator maintenance and repair actions which if not strictly followed could result in a life threatening situation bodily injury or damage to equip ment NOTICE IMPORTANT A A DANGER WARNING A CAUTION CAUTION NOTICE 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 situa tion 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 may result in minor or moderate injury This signal word indicates a potentially hazardous situation which if not avoided 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 damage 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
33. s low friction between the bolt head or nut and the mating surface 2 HEAVY LOOSE OR MULTIPLE ADAPTERS Heavy loose or multiple adapters between the wrench and socket can dissipate the intensity of the impact to the bolt head or nut 3 AMOUNT OF IMPACT Maximum torque results can be obtained by allowing continuous impacting of the socket against the bolt head or nut for at least 10 seconds 4 HYDRAULIC FLOW RATE If the flow rate to the tool is too low the hammer or impact speed is reduced If the flow is correct a change in the relief pressure does not af fect the impact force Poorly designed hydraulic circuits can result in lower flow rates and reduced impact speeds when pressure is required during impacting BOLT GRADE AND THREAD RECOMMENDATIONS Allowable bolt torque is limited by both bolt thread diameter and grade of steel in the bolt The IW12 Impact Wrench is recommended for use on the following bolt grade and thread sizes SAE Grade 2 1 to 1 1 2 inch 25 38 mm SAE Grade 5 3 4 to 1 1 4 inch 19 32 mm SAE Grade 8 5 8 to 1 inch 16 25 mm PREOPERATION PROCEDURES CHECK POWER SOURCE 1 Using a calibrated flow meter and pressure gauge check that the hydraulic power source develops a flow of 4 12 gpm 15 45 lpm at 1000 2000 psi 70 140 bar 2 Make certain that the hydraulic power source is equipped with a relief valve set to open at 2100 psi 145 bar minimum CONNECT HOSES 1 Wipe all hose couplers with a c
34. the operator and mainte nance personnel SAFETY PRECAUTIONS 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 given for your safety Review them carefully before operating the tool and before performing general maintenance or repairs To avoid serious injury or death Supervising personnel should develop additional precautions relating to the specific work area and local safety regulations If so place the added precautions in the space provided on page 5 Wear Eye Protection Read the Manual The model IW12 Hydraulic Impact Wrench 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 hose before operation Failure to do so could result in personal injury or equipment damage Wear Ear Protection Wear Dust Mask 47351 The operator must start in a work area without bystanders 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 safety equipment such as goggles ear and head protection and safety shoes at all
35. 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 dangerous terrain conditions Maintain proper footing and balance at all times Do not inspect or clean the tool while the hydraulic power source is connected Accidental engagement of the tool can cause serious injury Always connect hoses to the tool hose couplers before energizing the hydraulic power source Be sure all hose connec tions are tight and are in good condition 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 impact wrench Never wear loose clothing that can get entangled in the working parts of the tool Keep all parts of your body away from the rotating parts Long hair or loose clothing can become drawn into rotating components Always use accessories that conform to the specifications given in the OPERATION section of this manual Do not reverse impact wrench rotation direction by changing fluid flow direction Release the trigger if the power supply has been interrupted e When working near electrical conductors always assume that all conductors are energized and that insulation clothing and hoses can conduct electricity Use hos
36. ty operation and routine maintenance instructions 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 IM PROPER 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 CERTIFICATE OF CONFORMITY UBEREINSTIMMUNGS ZERTIFIKAT CERTIFICAT DE CONFORMITE CEE CERTIFICADO DE CONFORMIDAD CERTIFICATO CONFORMITA Hydraulic Tools th dersigned der Unterzeihnende Je soussign El abajo firmante lo sottoscritto Surname and First names Familiennname und Vemamen Nom et pr noms Nombre y apellido Cognome e nome hereby certify that the construction plant or equipment specified hereunder best tigt hiermit die Konstruktion und Ausr stung wie folgt spezifiziert ist certifies par ceci que usine ou quipement de construction a indiqu cidessous por el presente certifico que la fabrica o el equipo especificado a continuacion certifico che l impianto o l attrezzatura sotto specificata 1 Category Impact Wrench Kategorie Cat gorie Categoria Categoria 2 Make Ausf hrung Marque Marca Fabbricazione Stanley Type Typ
37. urpose of evaluating a warranty claim for warranty credit are covered under this policy if the claimed part or parts are approved for warranty credit Freight costs for any part or parts which are not approved for warranty credit will be the responsibility of the individual SEALS amp DIAPHRAGMS Seals and diaphragms installed in new tools are warranted to be free of defects in material and or workmanship for a period of 6 months after the date of first usage or for a period of 2 years from the shipping date from Stanley whichever period expires first CUTTING ACCESSORIES Cutting accessories such as breaker tool bits are warranted to be free of defects in material and or workmanship at the time of delivery only ITEMS PRODUCED BY OTHER MANUFACTURERS Components which are not manufactured by Stanley and are warranted by their respective manufacturers a Costs incurred to remove a Stanley manufactured component in order to service an item manufactured by other manufacturers ALTERATIONS 8 MODIFICATIONS Alterations or modifications to any tool or part All obligations under this warranty shall be terminated if the new tool or part is altered or modified in any way NORMAL WEAR any failure or performance deficiency attributable to normal wear and tear such as tool bushings retaining pins wear plates bumpers retaining rings and plugs rubber bushings recoil springs etc INCIDENTAL CONSEQUENTIAL DAMAGES To the fullest extent permitted by applic
38. y loosening the jam nut on the relief adjustment screw on back of the motor cap just above the handle and turning the relief adjust ment screw clockwise for more torque or counterclockwise for less torque The IW12 is not a torque wrench If the torque setting of a particular fastener type is critical the wrench should be set as close to the desired torque as possible and a calibrated torque wrench used to verify or check the fastener torque periodically ADJUSTMENT IMPORTANT Do not operate the wrench with relief adjustment screw turned in more than one turn from the bottom or less than three turns from the top of its travel Never operate the wrench without securing the relief screw jam nut 1 Determine the characteristics of the circuit that will be used to power the wrench The hydraulic circuit and wrench should be at operating temperature DO NOT exceed the maximum flow or pressure for the wrench 2 Attach a flow and pressure tester to the pressure port of the impact wrench Connect hoses normally and activate the hydraulic power supply 3 If the power source is of unknown output it is good prac tice to turn the relief adjustment screw counterclockwise NO MORE THAN THREE TURNS FROM THE TOP OF ITS TRAVEL to ensure that the operating pressure remains be low 1500 psi 104 bar Tighten the jam nut securely before operating the wrench 4 Install the appropriate sockets adapters to the impact wrench and tighten the
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