- Hurst Jaws Of Life
Contents
1. 1 MPa 10 bar Necessary volume of hydraulic fluid in the hydraulic unit to operate the unit differential volume on piston rod side 27 dimensions xwxh mm 790 x 230 x 228 w o connection hoses 31 11x9 06x8 98 max cutting openin ee i weight incl hydraulic kg 20 5 fluid lbs 45 2 max operating Mpa pressure pay 5 000 min needed volume 0 14 of hydraulic fluid a US 8 8 coupling system mono coupling quick disconnect coupling classification NFPA 1936 A7 B7 C7 D7 E8 MOC dimensions xwxh mm 787 x 230 x 228 w o connection hoses m L 30 99x9 06x8 98 tti 180 max cutting openin ania i i 7 1 weight incl hydraulic kg 21 4 fluid fibs 47 2 max operating Mpa 35 alia px 5 000 min needed volume 0 14 of hydraulic fluid oan US 8 8 coupling system mono coupling quick disconnect coupling classification NFPA 1936 A7 B9 C6 D7 E8 i 1 MPa 10 bar Necessary volume of hydraulic fluid in the hydraulic unit to operate the unit differential volume on piston rod side 28 MOC Ultra dimensions xwxh mm 751 x 240 x 228 w o connection hoses _ fin 29 57x9 45x8 98 mm 145 max cutting opening in 5 7 weight incl hydraulic kg 21 0 fluid Ibs 46 3 max operating Mpa 35 pressure psi 5 000 min needed volume l 0 14 of hydraulic fluid gal US 8 8 coupling system mono coupling quick ole pomieet coupling classification NFPA 1936 A8 B8 C6 D8 E82. HURST JAWS OF LIFE HALE PRODUCTS INC A Unit of IDEX Corporation 711 N Post Road Shelby NC 28150 USA Phone 704 487 6961 Fax 704 487 7271 e mail contacthurst idexcorp com MADE IN USA Cutter BA _US 159R195_0312 indd Copyright 2012 Hale Products Inc subject to revision
3. REMARK Please always return the guarantee registration card to HURST JAWS OF LIFE or register your tool on the HURST website Only then are you entitled to the extended guarantee REMARK Before you use couplings from a different company you must contact HURST or an authorized dealer CAUTION D Because HURST rescue equipment are appropriate for highest achievements only components may be exchanged which are specified in the spare parts list of the appropriate equipment Further components of the equipment may only be exchanged when you have participated in appropriate HURST service training you have the explicit permission of the HURST Service department After inquiry examination for the distribution of permission Examination in each individual case necessary Spare parts and accessories for the rescue tool can be ordered from your authorized HURST dealer 17 10 2 Preventative service 10 2 1 Care regulations The exterior of the equipment is to be cleaned from time to time in order to protect it from external corrosion Oil is to be applied to the metallic surfaces 10 2 2 Function and load test If there is any doubt regarding the safety or reliability of the equipment a function and load test must be performed HURST offers appropriate test equipment to this end 10 2 3 Changing the hydraulic fluid The hydraulic fluid must be changed after the equipment has been used approx 200 times af
4. dimensions xwxh mm 732 x 278 x 185 w o connection hoses fin 28 81x10 94x7 28 mm 148 max cutting opening in 5 83 weight incl hydraulic kg 17 9 fluid lbs 39 4 35 max operating Mpa pressure psi 5 000 min needed volume I 0 08 of hydraulic fluid gal US 0 02 quick disconnect coupling classification NFPA 1936 A6 B7 C6 D7 E7 i 1 MPa 10 bar Necessary volume of hydraulic fluid in the hydraulic unit to operate the unit differential volume on piston rod side coupling system mono coupling 29 12 2 Torque of the pivot bolt JL 500 MOC Il MOC Ultra X Tractor II Nm 150 10 130 10 130 10 130 10 117 10 torque ft lbs 110 6 7 4 96 0 7 4 96 0 7 4 96 0 7 4 86 0 7 4 12 3 Recommended hydraulic fluid CAUTION Use only the hydraulic fluid HURST BLUE Other fluids could cause damages to the rescue tool 7 Fluid opose range CAS number 55 C Polyether Polyol 9003 13 8 4 40 131F 40 131F 12 4 Operating and storage temperature Ranges Operating temperature C F 20 55 4 131 Ambient temperature C F EREJE 113 device in operation Storage can ean o 12 5 Conversions 1 MPa 145 04 psi 1 Nm 0 7376 ft lbf 1 mm 0 0394 in 1 0 2641 gal US 1 kg 2 2045 Ibs 30 13 Notes 31 dismantled parts properly Please dispose all packaging materials and
5. open and close fully with the blade arms facing upwards open and close fully with the blade arms facing downwards 6 1 2 Inspection of the pump unit See separate operating instructions for the relevant unit or for the hand pump REMARK Before each start up of the hydraulic unit you have to make sure that the actuating valves are set to depressurized circulation REMARK Before coupling the quick disconnect couplings the actuating valves of the hydraulic unit are set to depressurized circulation If you use mono couplings you can also couple when the hoses are pressurized 6 2 Operating the star grip Opening the device 4 Turn the star grip in the direction of the relevant symbol and keep in this position j Turn the star grip in the direction of the relevant symbol and keep in this position Closing the device Dead man s function Following release the star grip automatically returns to the central position guaranteeing full load holding 13 7 Cutting 7 1 Safety notes Before rescue work can commence the position of the obstacle must be stabilized You must ensure an adequate substructure and or adequate support of the object World wide safety guidelines pertaining to the specific country are to be observed and complied with In areas at risk of explosion the equipment can only be used if an explosion has been prevented by appropriate measures The following are
6. Quick disconnect coupling female 4 3 Circuit diagram To enable comprehension of the function a simplified hydraulic cylinder of the rescue equipment A hand valve B are depicted here cut close A opening 4 4 Control of the operating movements The blade arm movement is controlled via the star grip on the mounted valve star grip 4 5 Hydraulic supply A HURST motor pump or hand pump only may be used to drive the equipment If the pump unit is a different make you must make sure that it complies with HURST specifications otherwise potential dangers may occur which are not the responsibility of HURST Ensure in particular that the authorized operating pressure for HURST equipment is not exceeded REMARK lil Before you use pumps from a different manufacturer you must contact HURST or an authorized dealer 4 6 Hoses The pump unit and the rescue tool are connected by hoses 10 5 Connecting the equipment 5 1 General information There are two short hoses on the side of the equipment they are connected to the pump unit via two hoses All hoses have couplings to enable unmistakable connection REMARK The devices can be equipped with different coupling systems They differ only by the article number and not by the designation Of course the coupling systems can also be reequipped at a later time WARNING CAUTION Before connecting the equipment you have to pay attention that all use
7. side impact protection this almost always causes damage to the cutter 8 Dismantling the equipment deactivation following operation 8 1 Cutters Once work has been completed the blade arms are to be closed so that there is a tip distance of just a few mm in This relieves the hydraulic and mechanical strain on the equipment REMARK Never store the cutter with fully closed blade arms The complete closure of the blade arms can cause hydraulic and mechanical stress to build up again Free the rescue equipment of any stubborn dirt which may have become attached during use If the equipment is to be stored for a longer period of time the exterior is to be cleaned completely and the mechanically mobile parts are to be lubricated Avoid storing the rescue equipment in a damp environment Also observe the separate manual for the hydraulic hoses 8 2 Hydraulic unit Upon completion of work the unit must be deactivated 8 3 Hoses First of all decouple the pressure hose then the return hose as described in chapter Connecting the equipment Ensure that you put the dust protection caps back on to the couplings 15 9 Maintenance and service The equipment is subject to very high mechanical stresses A visual inspection is to be carried out after every use however at least one visual inspection is to be carried out every six months These inspections enable the early detection of wear and tear which means th
8. carefully follow such We further recommend that a qualified trainer train you in the use of the product WARNING CAUTION AY The operating instructions for the hoses the accessories and the connected hydraulic equipment must also be observed Even if you have already received instructions on how to use the equipment you should still read the following safety notes through again WARNING CAUTION Ensure that the accessories and connected equipment used are suitable for the max operating pressure Please ensure that no body parts or clothing get stuck between the visibly moving parts e g blade arms Wear protective clothing safety helmet with visor protective gloves The responsible department is to be informed immediately of any changes including to the operating behavior If necessary the equipment is to be deactivated immediately and secured In the event of malfunctions immediately deactivate the equipment and secure it The malfunction is to be repaired immediately It is prohibited to work under load if this load is lifted exclusively by hydraulic equipment If this work is absolutely imperative additional mechanical supports must be used Inspect the equipment before and after use for visible defects or damage Inspect all cables hoses and screwed connections for leaks and externally visible damage If necessary repair immediately Squirting hydraulic fluid can result in injurie
9. G CAUTION The equipment is to be used exclusively for the purpose stated in the operating instructions see chapter Intended use Any other or further use is not considered Intended use The manufacturer supplier is not liable for any damages resulting from not intended use The user bears sole responsibility for such Observance of the operating instructions and compliance with the inspection and maintenance conditions are part of the Intended use A Never work when you are overtired or intoxicated A WARNING CAUTION HURST BLUE hydraulic fluid is a custom blended fluid In case of skin contact wash off with soap and water In case of eye contact flush with generous amounts of running water for at least 15 minutes If discomfort persists following flushing see physician for symptomatic treatment 3 Intended use JAWS OF LIFE cutters are designed specifically for rescuing victims in traffic rail or air accidents and for making rescues from buildings They serve the purpose of freeing injured people in accidents e g by cutting doors roof bars and hinges Basically JAWS OF LIFE cutters can only be used to cut objects All objects which are to be worked on are to be secured using stable supports or substructures Sample application of the cutters CAUTION In this case you must strictly observe any leaks in order to avoid threats to the environment CAUTION All objects which are to be worked on are to be se
10. SHURST JAWS OF LIFE Operating instructions for rescue equipment gt Cutter 159R195 US Edition 03 2012 Original operating instructions Content Hazard classes Product safety Intended use e WN gt Description of the functions 4 1 Description 4 2 Toolin detail 4 3 Circuit diagram 4 4 Control of the operating movements 4 5 Hydraulic supply 4 6 Hoses 5 Connecting the equipment 5 1 General information 5 2 Coupling the mono couplings 5 3 Coupling the quick disconnect couplings 6 Operation 6 1 Preparations 6 2 Operating the star grip 7 Cutting 7 1 Safety notes 7 2 Cutting 8 Dismantling the equipment deactivation following operation 8 1 Cutters 8 2 Hydraulic unit 8 3 Hoses 9 Maintenance and service 9 1 Cutters overall 9 2 Protective equipment 10 Repairs 10 1 General information 10 2 Preventative service 10 3 Repairs 11 Troubleshooting 12 Technical Data 12 1 Cutter 12 2 Torque of the pivot bolt 12 3 Recommended hydraulic fluid 12 4 Operating and storage temperature Ranges 12 5 Conversions 13 Notes 25 27 27 30 30 30 30 31 1 Hazard classes We distinguish between various categories of safety notes The table below gives you an overview of the assignment of symbols pictograms and key words to the specific hazard and possible consequences Damage ae Potentially dangerous situation WARNING Danger of CAUTION damage to device environment Advice for applica
11. acks and without any chipped spots or deformations on the cutting surfaces e Cutting surfaces go on top of each other without making contact e Bolts and retaining rings of the blade arms must be present and in correct working order Hoses also refer to separate manual for the hydraulic hoses e Visual check for visible damage e Check for leaks 16 Function test e Opening and closing function flawlessly upon activation of the star grip e no suspicious noises no further movement of the blade arms upon interruption of the valve activation during the process dead man s function 9 2 Protective equipment e Control of the protective equipment on around the rescue equipment especially the hand guard of the moveable parts they must be free of tears 10 Repairs 10 1 General information Servicing may only be carried out by JAWS OF LIFE manufacturer or personnel trained by the manufacturer and by authorized HURST dealers Only HURST spare parts may be used to replace all components see spare parts list since special tools assembly advice safety aspects inspections might have to complied with see also chapter Maintenance and Service During assembly ensure the complete cleanliness of all components since dirt can damage the rescue equipment WARNING CAUTION Protective clothes must be worn when repairs are being carried out since parts of the units can also be pressurized in an idle state
12. ak possible Replace hoses on the hoses or the _ defective damage fixing ins Damages on the Mechanical Replace hoses surface of the damages or contact with aggressive agents Hydraulic fluid leaks Defective rod seal Repair by an on the piston rod Damage to the authorized dealer by hydraulic hoses piston personnel specially trained by HURST or by HURST itself 25 Trouble Check Cause Solution Leak on the handhold Does the pressure Pressure release Following the set on the pump in the Rescue tool reduction in pressure comply with no further leak is the maximum present permissible Should however pressure on there be a further the rescue leak on the handhold equipment immediately deactivate the rescue equipment and contact an authorized dealer or HURST itself Hoses in handhold Hoses in handhold Tighten hoses loose not tightened Check the Supply and return Reconnect the connections of the connection of the hoses of the mono mono coupling mono coupling cooupling female in female female inverted the right way Leak on the handhold Is the return Return hose is not Re connect the return hose connected coupled correctly hose and secure it correctly to the or not connected quick disconnect coupling check the hose connection reconnect the hoses connections to the couplings to the coupling in the between mono interchanged right way coupling and Returnline dis
13. at punctual replacement of the wearing parts prevents breakages from occurring Also regularly check the torque of the pivot bolt Torque M see Technical Data Every three years a crack test of the blades is essential Therefore a special crack testing kit is available Every three years or if there is any doubt regarding the safety or reliability of the equipment a function test must also be performed Please also observe the relevant valid national and international regulations pertaining to service intervals of rescue equipment CAUTION Clean off any dirt before actuating the equipment WARNING CAUTION In order to carry out maintenance and repair work tools appropriate for the job and personal protective equipment are essential 9 1 Cutters overall Inspections to be carried out Visual inspection Cutter e Opening width of the blade arms on the tips see chapter Technical data e Open the blades fully decommission the pump and visually inspect all lever elements bolts nuts and the piston rod for wear presence and proper alignment General tightness leaks Operability of the star grip deadman function Existence and stability of handle Labels completely existent and legible Covers in perfect condition Control of the torque of the pivot bolt torque M see Technical Data Couplings must be easy to couple Dust protection caps must be available Blade arms e Blade arms free of cr
14. b screw D only for JL 500 cutter then unscrew the nut E and pull out the pivot bolt F 5 Move the hand guard G in the direction of the star grip till stop This will make it easier to reach the safety bolts H Now remove the retaining rings J and push out the bolts H Then you can remove the blades K and the sliding plates L 6 Fold the lever elements M 7 Finally remove the hand guard G from the cutter as depicted 20 8 The work steps must be carried out in reverse order to fit the new parts T CAUTION Don t forget to apply HURST special grease to all sliding surfaces _ REMARK _ The torque required can be taken from the spare parts list 10 3 2 Changing or tightening hoses Hoses of the pressure and or return pipe leaks or hoses are defective Tighten the hoses on the safety valve Please note Observe torque of M 40 Nm 29 5 ft bs REMARK If you want to change the hoses you have to dismantle the couplings CAUTION by usage of mono coupling system Take care that the port T of the rescue tool is always connected to the port T of the mono coupling CAUTION by usage of quick disconnect coupling system The return hose which is screwed into the port T of the rescue tool must always be equipped with a quick disconnect coupling male However the supplying hose line must be equipped with a quick disconnect cou
15. connect the hoses disabled returnline from the coupling clean it and reconnect it Leak in the couplings Is the coupling coupling damaged Coupling must be damaged replaced immediately If it isn t possible to rectify the malfunctions inform an authorized HURST dealer or the HURST customer service department immediately The address for the HURST customer service department is HURST JAWS OF LIFE HALE PRODUCTS INC A Unit of IDEX Corporation 711 N Post Road Shelby NC 28150 USA Phone 704 487 6961 Fax 704 487 7271 e mail contacthurst idexcorp com 26 12 Technical Data Since all values are subject to tolerances minor differences may occur between the data on your equipment and the data in the following schedules The values may also differ because of reading inaccuracies and or tolerances in the measuring equipment used NOTE li The following tables contain only the technical data required for standard acceptance Additional data concerning your unit can be obtained from HURST on request 12 1 Cutter dimensions x w xh mm 775 x 290 x 215 w o connection hoses m L 30 51x11 42x8 46 tti 194 max cutting openin g op g E 7 764 weight incl hydraulic kg 21 6 fluid Ibs 47 6 max operating MPa 35 Masok pa 5 000 min needed volume 0 2 of hydraulic fluid a US 0 053 coupling system mono coupling quick disconnect coupling classification NFPA 1936 A7 B9 C7 D8 E9
16. cured using stable supports or substructures WARNING CAUTION The following may not be cut live cables hardened parts such as springs spring steels steering columns and rollers tubes hoses under gas or liquid pressure compound materials steel concrete explosive bodies such as SRS Systems NEVER operate the rescue equipment at a higher operating pressure than that stated in the chapter Technical data A higher setting can result in material damage and or injuries HURST rescue cutters may NOT be used where there is a risk of explosions The rescue equipment should not come into contact with acids or alkalis If this is unavoidable clean the equipment immediately afterwards with a suitable cleaning agent 4 Description of the functions 4 1 Description The equipment is designed such that via a hydraulically activated piston two equal opposite blade arms are symmetrically opened closed by mechanical joints thereby opening blade arms or Cutting objects All cutters ensure full load holding function when disconnected from the hydraulic supply e g when being accidentally decoupled defective hose etc 4 2 Tool in detail OCONOOAAWDNDN gt quick disconnect coupling system Star grip Control valve Body of rescue tool Handle Hand guard Blade arm Pivot bolt with self locking nut Handhold Pressure hose Return hose Mono coupling male Quick disconnect coupling male
17. d components are suitable to the max operation pressure of the pump unit In the case of doubt you have to inquire HURST directly 5 2 Coupling the mono couplings The equipment is connected to the hydraulic pump via mono coupling halves male and female dust protection caps mono coupling half male mono coupling half female Before coupling remove dust protection caps then connect male and female and turn the locking sleeve of the female to direction 1 until the locking sleeve locks into place The connection is now in place and secure Decoupling is by turning the locking sleeve to direction 0 The equipment can also be coupled under pressure provided the connected equipment is not activated 11 REMARK lil We recommend coupling the coupling halves in a pressureless state when working in areas with low ambient temperature and the usage of extension hose assemblies hose reels otherwise coupling may require a very high expenditure of force To protect them from dust the accompanying dust protection caps must be put back on WARNING CAUTION The mono couplings may not be screwed off the hose assemblies and or the hose assemblies be confused 5 3 Coupling the quick disconnect couplings The equipment is connected to the hydraulic pump via quick disconnect coupling halves male and female Before coupling unlock the connect socket by turning the sleeve into position X Retract s
18. en please contact your authorized HURST dealer or HURST itself 24 11 Troubleshooting Trouble Check _ Cause Solution Blade arms move Are the hoses Air in the hydraulic Deaerate pump slowly or jerkily when connected activated properly Does the pump unit work Device doesn t Check the Insufficient Top off hydraulic fluid perform at its given hydraulic fluid level hydraulic fluid in deaerate power in the supplying the pump pump Following release Cover damaged Damage to the Repair by an the star grip doesn t or star grip hard to torsion spring for authorized dealer by return to the central move reset personnel specially position Soiled valve or trained by HURST or star grip by HURST itself Defective valve Other mechanical damage e g star grip Hoses cannot be Is a mono coupling Pressure too high Set hydraulic pump coupled mounted e g caused by to pressureless too high ambient circulation temperature Coupling defective Coupling needs to be replaced immediately only by use of mono Control the Hydraulic fluid Hydraulic fluid coupling system degree of viscosity not adapted to must be replaced It is frequently not and application the application see chapter possible to couple temperature of situation Recommended hose assemblies the used hydraulic Hydraulic fluids Hue Coupling defective Coupling needs to be replaced immediately Hydraulic fluid leak Are the hoses Le
19. ernal visible damage the locking device not working hydraulic fluid continually leaking in a coupled uncoupled state A WARNING CAUTION D Never repair couplings they are to be replaced by original HURST parts During assembly tighten the connection nut of the hose assembly with a torque of M 35 Nm 25 8 ftlbs Procedure 1 Loosen the connection nut of the hose assembly and remove the coupling 2 Position the new coupling and tighten the connection nut of the hose assemblies with a torque of M 35 Nm 25 8 ft bs CAUTION The return hose which is screwed into the port T of the rescue tool must always be equipped with a quick disconnect coupling male However the supplying hose line must be equipped with a quick disconnect coupling female 10 3 6 Control valve Should the safety valve be deformed so severely that the star grip no longer functions correctly e g loss of the deadman function etc the valve must be replaced in its entirety Have repairs carried out by an authorized dealer by personnel specially trained by HURST or by HURST customer service only 10 3 7 Labels All damaged and or illegible labels safety notices type plate etc must be renewed Procedure 1 Remove damaged and or illegible labels 2 Clean the surfaces using industrial alcohol 3 Attach new labels Ensure that you attach the labels in the right position If you are no longer sure about this th
20. leeve and connect plug and socket Release sleeve and turn it in the direction shown in the right picture above till stop Now the connection has been made and locked Uncoupling is done in the reverse order a CAUTION 2 Always connect the return line first and afterwards the supply line REMARK Coupling of the devices is only possible when the hoses are depressurized To protect them from dust the accompanying dust protection caps must be put back on WARNING CAUTION The quick disconnect couplings partly have special functions Therefore it is not permitted to screw them off from the hoses or to exchange them 6 Operation WARNING CAUTION Check the equipment before and after use for visible defects or damage See Section 9 for more information 12 6 1 Preparations 6 1 1 Commissioning Before commissioning and following repairs the equipment must be deaerated Connect the equipment to the hydraulic pump see chapter Connecting the equipment Open close the blade arms of the equipment without any load at least twice see chapter Operation of the star grip REMARK We recommend that during deaeration the attached aggregate for the hydraulic supply should stand on a higher level than the body of the rescue tool Recommended procedure for deaeration of the rescue tool open and close fully with the blade arms facing upwards open and close fully with the blade arms facing downwards
21. on the equipment must not be exceeded Only original HURST accessories and spare parts may be used for repairs Please ensure that when working with this equipment or during transportation of such you dont get caught in the looped hoses and trip Please note that when cutting or spreading tearing or breaking can cause falling material or sudden removal of such can cause it to suddenly catapult off necessary precautions need to be taken Only touch any broken off parts or the cut off parts wearing protective gloves since the torn cut edges can be very sharp When working with or storing the equipment ensure that the function and the safety of the equipment are not impaired by the effects of stark external temperatures or that the equipment is damaged in any way Please note that the equipment can also heat up over a long period of use Before transporting the equipment always ensure that the accessories are positioned such that they cannot cause an accident Always keep these operating Ensure the proper disposal of instructions within reach where all removed parts left over oil the equipment is used and hydraulic fluid as well as packaging materials The generally applicable legal and other binding national and international regulations pertaining to the prevention of accidents and protection of the environment apply and are to be implemented in addition to the operating instructions WARNIN
22. pling female Procedure 1 Loosen the 2 screws B in the handle sleeve hexagon socket 2 Remove handle sleeve A ee eee dismantle 3 Dismantle hose C and sealing ring D There ees y assemble is no need to carry out this point if the hoses are just being tightened 4 Screw the hose with sealing ring back on 5 Tighten the hose connection on the valve Please note Observe the necessary torque of M 40 Nm 29 5 ft lbs 6 Then replace handle sleeve and screws tighten Torque 5Nm 3 7 ft bs and secure it with threadlocking fluid e g LOCTITE 243 21 10 3 3 Sharpening the blades Only remove and smoothen any burrs Chips or deep grooves cannot be ground away The blades must be replaced in these cases CAUTION Only grind in the grinding area see illustration The sliding faces in particular must not be reground Grinding area ee TN Pivot point A Blade arm i fo fro Slide surface 4 C plane X NN lt C mains AN AL N NAA a Direction of movement Blade arm Tools required 1 Use jaw protection on clamping device e g vice in order not to damage the blades 2 Grinder e g angle grinder or belt grinder with abrasive having a grain size of 80 Procedure 1 Clamp the blade securely into the clamping device so that it cannot move but with the grinding area exposed 2 Carefully grind the burr away evenl
23. s and fires Do not carry out any changes additions or conversions to the equipment without obtaining the prior approval of HURST Observe all safety and danger notes on the equipment and in the operating instructions Any mode of operation which impairs safety and or stability of the equipment is forbidden Safety devices may never be deactivated Before the equipment is switched on started up and during its operation it must be ensured that nobody will be endangered by the operation of the equipment When working close to live components and cables suitable measures must be taken to avoid current transfers or high voltage transfers to the equipment The build up of static charge with the potential consequence of spark formation is to be avoided when handling the equipment The equipment is filled with a hydraulic fluid These hydraulic fluids can be dangerous to health if swallowed or their vapors inhaled Direct contact with the skin is to be avoided for the same reason Please also note that hydraulic liquids can also have a negative effect on biological systems Ensure adequate lighting when you are working All safety and danger notes on the equipment are to be kept complete in a legible condition Comply with all specified dates or dates specified in the operating instructions pertaining to regular controls inspections on the equipment The maximum permitted operating pressure noted
24. ter three years at the latest It must always be changed whenever the hydraulic fluid for the accompanying pump motor hand pump is changed This is to prevent the fresh hydraulic fluid from becoming contaminated by the used fluid from the rescue equipment Procedure 1 Close blade arms until the tips are almost touching 2 Change the hydraulic fluid of the pump Please observe the separate operating instructions for the pump being used 3 Screw off the return hose on the pump when the hose connection is directly into the pump completely unscrew the connection nut of the connection piece of the return hose when the hose connection is via mono coupling to the pump remove the cover from the mono coupling male completely unscrew the connection nut of the return hose on the mono coupling male when the hose connection is via quick connect coupling to the pump completely unscrew the connection nut on the quick disconnect coupling of the return hose 4 Put the return hose into a separate collecting basin for the hydraulic fluid still in the equipment 5 Slowly open the tool the pump must be working during this time The old hydraulic fluid from the ring space side runs via the return hose into the separate collecting basin and is to be disposed of in the same manner as the old hydraulic fluid of the pump 6 Switch the pump off motor pump no longer activate it e g hand pump 7 Reconnect the return hose to
25. the pump when the hose connection is directly into the pump screw the connection nut of the connection piece of the return hose back on Please observe the necessary torque of M 40 Nm 29 5 ft bs when the hose connection is via mono coupling to the pump screw the connection nut of the return hose back onto the mono coupling male Please observe the necessary torque of M 40 Nm 29 5 ft bs Pull back the cover on the couplings as far as the limit stop when the hose connection is via quick connect coupling to the pump screw the connection nut back onto the quick disconnect coupling of the return hose Please observe the necessary torque of M 35 Nm 25 8 ft bs 8 Deaerate the rescue tool as described in the chapter Preparations 18 10 3 Repairs NOTE The illustrations show the JL 500 cutter Assembly and disassembly are nearly identical for the other cutters 10 3 1 Replacing blades protective covers and handles Work steps 1 First of all carefully clean the rescue equipment 2 Next close the blade arms so that the tips are almost touching Turn the power unit off and disconnect the cutter from the hydraulic supply uncouple ei iia om ae p 3 Remove the fixing screws A and spring washers B Now you can remove the handle C in direction of the star grip see picture Peay PR ine f 1 Lae 1 TT Tt D 19 4 Remove the gru
26. tion and REMARK other important useful information and advice Wear helmet with face protection Wear safety gloves Wear safety shoes Proper recycling Observe principles of environmental protection Read and observe operating instructions Pk 2 OO 4 DANGER Immediate danger Path or major injury Potential death or major injury CAUTION Less dangerous Minor or slight l situation injury Damage to the equipment damage to the environment damage to surrounding materials No injury damage to persons environment equipment 2 Product safety JAWS OF LIFE products are developed and manufactured in order to guarantee the best performance and quality when used properly Operator safety is the most important aspect of the product design Moreover the operating instructions are intended to help the safe use of JAWS OF LIFE products The generally applicable legal and other binding regulations pertaining to the prevention of accidents and protection of the environment apply and are to be implemented in addition to the operating instructions The equipment may only be operated by persons with appropriate training in the safety aspects of such equipment otherwise there is a danger of injury occurring We would like to point out to all users that they should read the operating instructions carefully and the instructions contained therein before they use the equipment and that they should
27. to be worn when working with the rescue equipment protective clothing safety helmet with visor or protective goggles protective gloves protective shoes and if necessary ear protection Before activating the rescue equipment always ensure that there is no danger to persons either involved uninvolved in the action by the movement of the rescue equipment or by flying fragments Further avoid unnecessary damage to property belonging to others objects not involved by the rescue equipment flying fragments A Reaching between the blade arms is strictly forbidden A WARNING CAUTION The particular effect of the force of the rescue equipment during operation could cause pieces of the vehicle to break off or fly off posing a danger to persons Those not involved in the rescue operation should therefore keep at a distance appropriate to the situation 7 2 Cutting The blades must be positioned at a 90 angle to the object to be cut WRONG RIGHT Higher cutting capacities can be achieved by cutting as close as possible to the blade s pivot point WRONG RIGHT 14 During cutting the gap between the blade tips in the crosswise direction may not be exceeded otherwise the blade is in danger of breaking Cutter max gap on the blade tips mm in JL 500 oF 472 MOC II 3 0 12 MOC Ultra 3 0 12 CAUTION Avoid cutting particularly high strength parts of the vehicle s bodywork e g
28. y until you reach the sliding surface level see illustration Slide surface plane In addition when grinding you must make sure that the inclination of the cutting surface in the direction of the blade arm movement is not changed Check the incline and smoothness of the ground surface using a suitable measuring tool CAUTION If you have not maintained the smoothness or incline the proper operation of the blade is no longer guaranteed and the blades must be replaced 22 10 3 4 Mono couplings The mono couplings must be replaced in the event of external visible damage the locking device not working hydraulic fluid continually leaking in a coupled uncoupled state A WARNING CAUTION Q Never repair couplings they are to be replaced by original HURST parts During assembly tighten the connection nut of the hose assembly with a torque of M 40 Nm 29 5 ft Ibs Procedure 1 Remove the screws A 2 Remove the cover from the couplings 23 4 Position the new coupling and tighten the connection nuts of the hose assemblies with a torque of M 40 Nm 29 5 ft bs After that push the cover of the couplings back on and replace screws A CAUTION Take care that the port T of the rescue tool is always connected to the port T of the mono coupling 10 3 5 Quick disconnect couplings The quick disconnect couplings must be replaced in the event of ext
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