User Manual - Hurst Jaws Of Life
Contents
1. 26 10 3 4 Spreader arm spreader tips protection cover and handle replacement SP 310 SP 510 and SP 512 Components to be replaced Required work steps 1 3 and 7 Procedure 1 Close the rescue unit until a gap of only a few mm remains between the tips Disconnect the device from the hydraulic power supply unit and clean thoroughly C E 2 Unscrew nuts A remove washers B and remove fixing bolts C fT 3 Pull the handle D backwards over the hose connections 4 In the same way pull the protective cover E backwards over the hose connections 27 5 Drive the pins F out with a drift and remove the plug on tips G Remove the locking rings H and remove the handlebars J 6 The pins L can be removed after removing the locking rings K You can now remove the spreader arms M and replace them 7 The work steps must be carried out in reverse order to fit the new parts CAUTION Don t forget to apply HURST special grease to all sliding surfaces NOTE dL The torque required can be taken from the spare parts list of your particular unit 28 10 3 5 Spreader arm spreader tips protective cover and handle replacement on the SP 300 spreader Components to be replaced Handle 1 2 and 8 Required work steps Protective cover Work steps 1 Close the rescue unit until a gap of only a few2. however there be a further leak on the handhold immediately deactivate the rescue equipment and contact an authorised dealer or HURST itself Damage to the piston Load increase e g something has fallen onto the part to be lifted thereby suddenly increasing the load Pressure release in the Rescue tool Hoses in handhold Hoses in handhold Tighten hoses loose not tightened Check the connections of the mono coupling female Is the return hose connected correctly Especially by usage of quick disconnect couplings Leak on the handhold 36 Supply and return Reconnect the connection of the hoses of the mono mono coupling cooupling female in female inverted the right way Return hose is not Re connect the return coupled correctly hose and secure it or not connected Trouble Control Cause Solution Especially by usage check the hose connection reconnect the hoses of mono couplings connections of the to the couplings to the coupling in the Leak on the handhold hoses interchanged right way Returnline disconnect the disabled returnline from the coupling clean it and reconnect it with mono coupling s the coupling coupling damaged Coupling must be system Leak inthe damaged replaced immediately couplings with quick Is the coupling coupling damaged Coupling must be disconnect coupling damaged replaced immediately system T pear In Me Is t
3. 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 authorised operating pressure for HURST equipment is not exceeded REMARK i Before you use pumps from a different manufacturer you must contact HURST or an authorised dealer 4 6 Hoses The pump unit and the rescue tool are connected by hoses 11 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 hose assemblies are marked with a colour and 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 used 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 J mono coupling mono coupling halve male halve female Before coupling remove dust protection caps then connect male and female
4. of hydraulic fluid I 0 07 quick disconnect coupling system coupling mono coupling classification acc to DIN EN 13204 AS 46 720 20 i 1 MPa 10 bar Necessary volume of hydraulic fluid in the hydraulic unit to operate the unit differential volume on piston rod side 39 wooo o so min spreading force kN 62 25mm 0 98in from the tips Ibf 13 938 max spreading force kN 92 25mm 0 98in from the tips Ibf 20 683 0 spreading force HSF kN 79 9 according to NFPA Ibf 17 963 spreading force LSF kN 54 6 according to NFPA Ibf 12 275 i mm 800 max spreading distance in 37 50 min pulling force on mounting kN 38 borehole for chain set lbf 8 543 max pulling force on mounting KN 55 borehole for chain set Ibf 12 365 pulling distance on mounting mm 65 borehole for chain set in 26 18 pulling force HPF kN 44 4 according to NFPA lbf 9 982 pulling force LPF kN 31 1 according to NFPA Ibf 6 992 dimensions mm 900 x 380 x 215 Ixwxh in 35 43 x 14 96 x 8 46 er we kg 25 5 weight incl hydraulic fluid Ibs 56 2 Mpa 70 max operating pressure psi 10 153 min needed volume I 0 43 of hydraulic fluid gal US 0 12 quick disconnect l coupling system coupling mono coupling classification acc to DIN EN 13204 BS 62 800 25 i 1 MPa 10 bar Necessary volume of hydraulic fluid in the hydraulic unit to operate the unit differenti
5. Do not damage the for increasing the size arms of a gap not suitable for spreading 17 7 3 Pulling HURST chain sets are to be used for pulling purposes Before the pulling process can be performed ensure that the bolt and hook fit correctly to prevent the chain from slipping Only chain sets in perfect condition may be used The pull chains are to be inspected at least once per year by an expert See separate operating instructions for the relevant chain set Mounting bore for chain set ee Tem e a a ee am ne SP 512 Mounting bore for chain set 7 4 Peeling With the integrated peeling zone see figure below in the tool tips of spreaders SP 310 SP 510 and SP 512 sheet steels can be peeled open for maximum sheet steel thickness t see chapter Technical data Peeling zone F d eee a a E n WARNING CAUTION Splinters can fly uncontrollably from particularly hard materials Keep a safe distance 18 7 5 Squeezing Basically squeezing may only be carried in the area of the tips unless an additional squeezing device is used see figures 6 and 7 below This additional squeezing device is only available as an accessory for the spreader SP 310 Squeezing plates A fig 7 fig 6 Use of this squeezing device enables squeezing closer to the spreader arm pivot point resulting in a higher squeezing force oe Spreader arm Assembly B ae 1 Push the s
6. SHURST JAWS OF LIFE Operating instructions for rescue equipment 271010085 US Edition 07 2010 replaces 06 2008 Original operating instructions patie SI 4 1 4 2 4 3 4 4 4 5 4 6 Content Hazard classes Product safety Proper use Description of the functions Description Unit in detail Circuit diagram Control of the operating movements Hydraulic supply Hoses 5 Connecting the equipment 5 1 5 2 5 3 General information Coupling the mono couplings Coupling the quick disconnect couplings 6 Operation 6 1 6 2 Preparatory measures Operating the star grip 7 Spreading pulling peeling and squeezing 7 1 7 2 3 7 4 7 9 Safety notes Spreading Pulling Peeling Squeezing 8 Dismantling the equipment deactivation following operation 8 1 8 2 8 3 Spreader Hydraulic unit Hoses 9 Maintenance and service 9 1 9 2 Spreader overall Protective equipment 10 Repairs 10 1 10 2 General information Preventative service 10 3 Repairs 11 Troubleshooting 12 Technical data 12 1 Peeling 12 2 Recommended hydraulic fluid 12 3 Operating and storage temperature ranges 13 Notes 37 42 42 42 43 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 A Damage injury to Pote
7. ST special grease to all sliding surfaces after having thoroughly cleaned them 3 Hammer in new roll pin CAUTION Before assembly apply HURST special grease to all sliding surfaces after having thoroughly cleaned them Also observe the installation position of the adapter sleeve to ensure optimum force distribution Installation position of the roll pin of the SP 310 and SP 510 The opening of the roll pin should face towa ds the squeezing surfaces see figure right Installation position of the spiral pin of the SP 512 The external start of the spiral pin should face towards the rear end of the tip see figure right Sf The roll pin spiral pin comes with the tip Pressing onto the tips on the spreader arm enables the roll pins to be inserted more easily into the boreholes i REMARK Always replace both tips 24 10 3 2 Replacing the plug on tips SP 300 Procedure 1 In order to remove the plug on tips G you need to push the buttons J on both sides of a spreader arm completely and simultaneously and then remove the plug on tip from the spreader arm by pulling it forwards Place the new tips onto the arm until they automatically click in place on the spreader arm NOTE Always replace both plug on tips When inserting the new tips push both buttons J until the tip can be slid over them After fitting make sure that both buttons J are locked on eac
8. airs carried out by an authorised dealer by personnel specially trained by HURST or by HURST customer service only 10 3 9 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 then please contact your authorised HURST dealer or HURST itself 34 Spreader arms move 11 Troubleshooting Trouble Control __ Cause Solution slowly or jerkily when connected activated Device doesn t perform at its given power Following release the star grip doesn t return to the central position with mono coupling system Hoses cannot be coupled with mono coupling system It is frequently not possible to couple hose assemblies with quick disconnect coupling system Hoses cannot be coupled Hydraulic fluid leak on the hoses or the fixing ins Are the hoses Air in the hydraulic Deaerate pump properly Does the pump unit work Check the Insufficient Top up hydraulic fluid hydraulic fluid level hydraulic fluid in deaerate in the supplying pump Cover damaged or star grip hard to move Control the the pump Damage to the Repair by an torsion spring for authorised dealer by reset personnel specially Soiled valve or tra
9. al volume on piston rod side 40 wooo o SS min spreading force kN 84 25mm 0 98in from the tips Ibf 18 885 max spreading force kN 120 25mm 0 98in from the tips Ibf 26 978 spreading force HSF kN 108 according to NFPA Ibf 24 278 spreading force LSF kN 7 according to NFPA Ibf 17 311 rT mm 610 max spreading distance in 24 02 min pulling force on mounting kN 66 borehole for chain set Ibf 14 838 max pulling force on mounting KN 99 borehole for chain set Ibf 22 257 pulling distance on mounting mm 37 borehole for chain set in 17 20 pulling force HPF kN 67 according to NFPA Ibf 15 063 pulling force LPF kN 49 according to NFPA Ibf 11 017 dimensions mm 795 x 380 x 216 Ixwxh in 31 30 x 14 96 x 8 50 er we kg 26 4 weight incl hydraulic fluid Ibs 58 2 Mpa 70 max operating pressure psi 10 153 min needed volume 1 0 34 of hydraulic fluid gal US 0 09 classification acc to DIN EN 13204 CS 84 610 26 i 1 MPa 10 bar Necessary volume of hydraulic fluid in the hydraulic unit to operate the unit differential volume on piston rod side 41 12 1 Peeling max sheet steel Mm 4 5 5 thickness t in 0 16 0 20 0 20 max possible mm 520 650 500 peeling length in 20 47 25 59 19 69 12 2 Recommended hydraulic fluid Hydraulic fluid for HURST hydraulic equipment Mineral oil DIN ISO 6743 4 and ot
10. 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 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 decoupling could need very high expenditure of force To protect them from dust the accompanying dust protection caps must be put back on Using the dust protection caps The A dust protection caps have two internal pins B The dust protection caps must be placed on the coupling pins in such a way that the pins are guided into the C grooves Fasten the screw up to the limit stop to fix the dust protection caps on the coupling pins The mono couplings may not be screwed off the hose assemblies and or the hose assemblies be confused 13 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 sleeve and connect plug and socket Release sleeve and turn it into position Y Now the connection has been made and locked Uncoupl
11. ar grip e no suspicious noises no further movement of the spreader 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 21 10 Repairs 10 1 General information Servicing may only be carried out by the manufacturer or personnel trained by the manufacturer and by authorised 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 A WARNING CAUTION Protective clothes must be worn when repairs are being carried out since parts _ of the units can also be pressurised in an idle state REMARK Please always return the guarantee registration card to HALE PRODUCTS INC 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 authorised dealer REMARK when using the quick disconnect coupling system Overpressure protection of the rescue equipment model with yellow coupling nipple on the ret
12. by using additional supports or safety devices fig 1 HURST spreaders and combi tools can also be used under water at a depth of up to 40m 131 ft CAUTION 2 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 secured using stable supports or substructures WARNING CAUTION The following may not be squeezed live cables Q hardened parts such as springs spring steels steering columns and rollers explosive bodies such as airbag cartouches 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 equipment may only be used in areas at risk of explosion if an explosion has been prevented by appropriate measures You must also take into account that sparks may be created for example by spreading or squashing an object When working in areas at risk of explosion all applicable legal national and international regulations standards and safety rules for avoiding explosions must be observed without limitation Spare parts and accessories for the rescue tool can be ordered from your authorisied HURST dealer 4 Description of the functions 4 1 Description The equipment is designed such that via a hydraulically activated piston two equal opposite spreader arms are sym
13. e equipment and secure it The malfunction is to be repaired immediately 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 is endangered by the operation o 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 Do not carry out any changes additions or conversions to the equipment without obtaining the prior approval of HURST 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 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 don t get stuck in the looped hoses and trip Please note that when spreading tea
14. h arm that they are back in their original position 25 10 3 3 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 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 onto the port T of the rescue tool must be equipped with a quick disconnect coupling male always However the supplying hose line must be equipped with a quick disconnect coupling female Procedure 1 Loosen the 2 B screws in the handle sleeve with quick disconnect protective sleeves C hexagon socket 2 Remove handle sleeve A and tighten screwed connection If necessary renew seals F E D 3 Dismantle hose D and sealing ring E There is no need to carry out this point if the hoses are just being tightened 4 Screw the hose with sealing ring back on Ly Please ensure that the insulating washer F is Aane gt on and correctly assembled A assemble 5 Tighten the hose connection on the safety valve Please note Observe the necessary torque of M 40 Nm 6 Then replace handle sleeve protective sleeves and screws tighten Torque 5Nm and secure it with threadlocking fluid e g LOCTITE 243
15. he leak only on Safety valve After pressure ia etd the coupling male reacted release there is no more leakage If it isn t possible to rectify the malfunctions inform an authorised 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 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 NOTE The following tables contain only the technical data required for standard acceptance Additional data concerning your unit can be obtained from HURST on request 37 type min spreading force 25mm 0 98in from the tips max spreading force 25mm 0 98in from the tips spreading force HSF according to NFPA spreading force LSF according to NFPA max spreading distance min pulling force on mounting borehole for chain set max pulling force on mounting borehole for chain set pulling distance on mounting borehole for chain set pulling force HPF according to NFPA pulling force LPF according to NFPA dimensions Ixwxh weight incl hydraulic fluid max operating pressure min needed volume of hydraulic fl
16. hers a Oil temperature range Viscosity rating 20 55 C A HM 10 VG 10 4 0 131 F recommended viscosity range 10 200 mm s 10 200 cSt Supplied with HM 10 DIN ISO 6743 4 CAUTION Before using hydraulic fluids which do not correspond to the above mentioned specifications and or are not purchased from HURST you have to contact HURST itself 12 3 Operating and storage temperature ranges Operating temperature C F 20 55 4 131 Ambient temperature M Storage o 42 13 Notes 43 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 Please dispose all packaging materials and dismantled parts properly MADE IN GERMANY Spreader BA_US_ 271010085 0710 indd Copyright 2010 HALE PRODUCTS INC subject to revision
17. ined by HURST or Defective valve Other mechanical damage e g star grip Pressure too high Set hydraulic pump e g caused by to pressureless too high ambient circulation temperature Coupling defective Coupling needs to be replaced immediately Hydraulic fluid Hydraulic fluid degree of viscosity not adapted to must be replaced and application temperature of the used hydraulic fluid Is the pump working the application see chapter situation Recommended Hydraulic fluids Coupling defective Coupling needs to be replaced immediately Relieve pump Coupling defective Coupling needs to be replaced immediately Are the hoses Leak possible Replace hoses defective damage 35 Trouble Control Cause Solution Damages on the surface of the hydraulic hoses Hydraulic fluid leaks on the piston rod Leak on the handhold Increase load Does the pressure set on the pump comply with the maximum permissible pressure on the rescue equipment Mechanical damages or contact with aggressive agents Replace hoses Defective rod seal Repair by an authorised dealer by personnel specially trained by HURST or by HURST itself Secure the loads and move them by using other tools Move the load somewhere else where the moving load is lighter Use supporting equipment to move the load Following the reduction in pressure no further leak is present Should
18. ing instructions WARNING CAUTION The equipment is to be used exclusively for the purpose stated in the operating instructions see chapter Proper Use Any other or further use is not considered proper use The manufacturer supplier is not liable for any damages resulting from improper 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 proper use A Never work when you are overtired or intoxicated A 3 Proper use HURST spreaders are designed especially for rescue services They are used to release persons trapped as a result of a road accident e g by forcing open the car doors see below Fig 1 or by squashing other parts of the vehicle In other catastrophic situations they are used to lift by spreading or to displace objects in order to rescue buried or trapped persons e g by concrete components in collapsed houses see below Fig 2 and to squash constructional components e g pipes In principle objects can be pulled spread squashed or compressed in length All objects to be worked on are to be secured using stable supports or substructures When lifting loads additional risks to the operator and or persons not involved may be posed if the load moves in an uncontrolled manner or if the spreader slips or tips over When applying the tool and lifting make sure that there is no danger if necessary
19. ing is done in the reverse order CAUTION 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 allowed to screw them off from the hoses or to exchange them 14 6 Operation 6 1 Preparatory measures 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 spreader arms of the equipment without any load at least twice see chapter Operation of the star grip REMARK We recommend that during the deaeration the attached aggregate for the hydraulic supply should stand on a higher level than the body of the rescue tool Recommended procedure for the deaeration of the rescue tool open and close fully with the spreader arms facing upwards open and close fully with the spreader arms facing downwards open and close fully with the spreader arms facing upwards open and close fully with the spreader arms facing downwards 6 1 2Inspection of the pump unit See separate operating instructions for the relevant unit or for the hand pump REMARK Before each star
20. ion of sparks In such cases hand pumps are to be used The following are to be worn when working with the rescue equipment protective clothing safety helmet with visor or protective goggles protective gloves 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 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 Spreading Use the front area of the tips for increasing the gap only Full spreading capacity can be achieved when approximately half of the grooved area of the tips is used The greatest force is created in the rear area of the spreading range of the tip AY WARNING CAUTION D The arms made from a light metal alloy may not be damaged 16 SP 310 SP 510 and SP 512 Increasing spreading a gap SP 300 Increasing spreading a gap Working surface is too Tips get a safe grip Work with the tips only small tips slip off Only
21. metrically opened by mechanical joints thereby spreading objects Closing the spreader arms is also carried out hydraulically and mechanically by reverse order of the piston All spreaders ensure full load holding function when disconnected from the hydraulic supply e g when being unintentional decoupled defective hose and so on For reasons of safety equipment SP 510 and SP 512 are internally safeguarded from 63 MPa 630bar When the safeguarding valve responds a screeching noise can occur Even if the screeching noise occurs in unloaded condition deactivate the equipment immediately and contact your authorized dealer or HURST directly 4 2 Unit in detail 10 OONDABRWNDH Star grip Control valve Spreader body Handle Hand guard Spreading arm Tip with borehole for chain set Roll pin Pressure hose Return hose Handhold Mono coupling male Quick disconnect coupling male 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 spreading pulling squeezing 4 4 Control of the operating movements The spreading arms movement is controlled via the star grip of the mounted valve see cover item 1 and below figure 3 fig 3 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
22. mm remains between the tips Disconnect it from the hydraulic power supply unit and clean thoroughly A 2 Remove the fixing screws A and remove the handle B 29 3 Remove the screws C and D 4 Remove the two two piece locking elements E on the protective cover F and remove the two piece protective cover by pulling it sideways 30 5 In order to remove the plug on tips G you need to push the buttons J on both sides of a spreader arm completely and simultaneously and then remove the plug on tip from the spreader arm to the front 6 You need to remove the locking rings K and the lever links L to replace the spreader arms H 7 Also remove the locking rings M and remove the pins N You can then remove the spreader arms H M 8 The work steps must be carried out in reverse order to fit the new parts CAUTION 4 Don t forget to apply HURST special grease to all sliding surfaces _ NOTE Bu The torque required can be taken from the spare parts list of your particular unit 32 10 3 6 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
23. ntially dangerous situation WARNING Danger of damage CAUTION to device environment Advice for application 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 4 CAUTION Less dangerous situation DANGER Immediate danger Death or major injury Potential death or major injury Minor or slight injury Damage to the equipment damage to the environment damage to surrounding materials No injury damage to persons environment equipment 2 Product safety HURST 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 HURST 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 carefully the operating instructions and
24. queezing plate A over the spreader I Nae aM f arm until boreholes B1 and B2 lie flush above O ee o AN each other o 7 fig 8 gt 2 Position the spacer washer C between the two l boreholes 3 Put the screw B from the opposite side of the spreader arm through borehole B1 and spacer washer C see figure 9 4 Screw the screw B tightly into borehole B2 19 8 Dismantling the equipment deactivation following operation 8 1 Spreader Once work has been completed the spreader arms are to be closed so that there is a tip distance of just a few mm This relieves the hydraulic and mechanical strain on the equipment 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 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 annually These inspections enable the early detection of wear and tear which means that punctual replacement of this wearing parts prevents breakages from occurring A function test is also to be carried out every three years or should there be any doubt regarding the safety or reliability of the equipment Please also obser
25. ring 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 wearing protective gloves since the torn edges can be very sharp The equipment is filled with a When working with or storing hydraulic fluid These hydraulic the equipment ensure that fluids can be dangerous to the function and the safety health if swallowed or their of the equipment are not vapours inhaled Direct contact impaired by the effects of stark with the skin is to be avoided external temperatures or that for the same reason Please the equipment is damaged in also note that hydraulic liquids any way Please note that the can also have a negative effect equipment can also heat up on biological systems over a long period of use Ensure adequate lighting when Before transporting the you are working equipment always ensure that the accessories are positioned such that they cannot cause ani accident Always keep these operating Ensure the proper disposal of instructions within reach where all removed parts left over oil the equipment is used left over hydraulic fluid and 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 operat
26. t 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 gt Turn the star grip in a clockwise direction in the direction of the relevant symbol and keep in this position Closing the device Turn the star grip in an counterclockwise direction in the direction of the relevant symbol and keep in this position Dead man s function Following release the star grip automatically returns to the Senn central position guaranteeing the full load holding 15 7 Spreading pulling peeling and squeezing 7 1 Safety notes Before rescue works can commence the position of the obstacle must be stabilised 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 the Federal Republic of Germany regular safety inspections according to the regulations of the Gesetzliche Unfallversicherung GUV connoted Legal accident insurance are mandatory In the event of a potentially explosive situation it is not permitted to use motor pumps danger of the format
27. terior 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 also be performed HURST offers appropriate test equipment to this end La 2 3 Changing the hydraulic fluid The hydraulic fluid must be changed after the equipment has been used approx 200 times after three years at the latest lt 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 spreader 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 blue 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 blue returnhose 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 co
28. the instructions contained therein before they use the equipment and that they should carefully follow such We further recommend that a qualified trainer train you in the use of the product WARNING CAUTION A 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 It is prohibited to work under parts or clothing get stuck load if this load is lifted between the visibly moving exclusively by hydraulic parts e g spreader arms equipment If this work is absolutely imperative additional mechanical supports must be used Wear protective clothing safety Inspect the equipment before helmet with visor protective and after use for visible defects gloves or damage The responsible department Inspect all cables hoses is to be informed immediately and screwed connections for of any changes including to leaks and externally visible the operating behaviour If damage If necessary repair necessary the equipment is immediately Squirting oil can to be deactivated immediately result in injuries and fires and secured In the event of malfunctions immediately deactivate th
29. tighten the connection nut of the hose assembly with a torque of M 40 Nm Procedure 1 Remove the cover from the couplings 3 Position the new coupling and tighten the connection nuts of the hose assemblies with a torque of M 40 Nm and push the cover of the couplings back on CAUTION Take care that the port T of the rescue tool is always connected to the port T of the mono coupling 33 10 3 7 Quick disconnect couplings The quick disconnect 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 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 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 CAUTION The return hose which is screwed onto the port T of the rescue tool must be equipped with a quick disconnect coupling male always However the supplying hose line must be equipped with a quick disconnect coupling female 10 3 78 Valve cover If the cover is deformed to such an extent that the star grip no long works correctly the valve must be replaced in its entirety Have rep
30. uid coupling system kN ibf kN ibf kN ibf kN ibf mm in kN ibf kN ibf mm in kN ibf kN ibf mm in kg lbs Mpa psi E classification acc to DIN EN 13204 1 MPa 10 bar SP 300 211051000 271051000 34 7 644 42 40 33 605 22 5 28 495 23 19 750 x 355 x 255 17 1 70 0 14 gal US 0 04 quick disconnect coupling AS 34 605 17 mono coupling Necessary volume of hydraulic fluid in the hydraulic unit to operate the unit differential volume on piston rod side 38 min spreading force kN 46 25mm 0 98in from the tips Ibf 10 342 max spreading force kN 61 25mm 0 98in from the tips ibf 13 714 spreading force HSF kN 53 according to NFPA ibf 11 915 spreading force LSF kN 39 according to NFPA Ibf 8 768 ee mm 720 max spreading distance in 28 35 min pulling force on mounting KN 30 borehole for chain set lbf 6 745 max pulling force on mounting KN 42 borehole for chain set lbf 9 442 pulling distance on mounting mm 979 borehole for chain set in 22 64 pulling force HPF kN 30 5 according to NFPA Ibf 6 857 pulling force LPF kN 23 according to NFPA ibf 5 171 dimensions mm 790 x 350 x 190 Ixwxh in 31 10 x 13 78 x 7 48 e oe kg 20 1 weight incl hydraulic fluid libs is l Mpa max operating pressure 10 153 min needed volume 0 24
31. upling of the blue 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 piston 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 the pump when the hose connection is directly into the pump screw the connection nut of the connection piece of the blue return hose back on Please observe the necessary torque of M 40 Nm when the hose connection is via mono coupling to the pump screw the connection nut of the blue return hose back onto the mono coupling male Please observe the necessary torque of M 40 Nm 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 blue return hose Please observe the necessary torque of M 35 Nm 8 Deaerate the rescue tool as described in the chapter Preparatory measures 23 10 3 Repairs 10 3 1 Chaging the tip SP 310 SP 510 and SP 512 Procedure 1 Use the pulling pin to remove the roll pin A 2 Replace tip CAUTION Before assembly apply HUR
32. urn hose If the equipment s short hoses are not connected to a unit temperature increases can inadvertently cause pressure to build up in the equipment Hence the return hose of the equipment is equipped with a safety coupling quick disconnect coupling male yellow Unwanted overpressure approx 1 5 Mpa is automatically released via this nipple hydraulic fluid leaks Should an hydraulic fluid leak on the coupling male be more frequent please contact your dealer or HURST itself If couplings from a different company are used which do not have this function the overpressure protection can react in the valve of the rescue equipment Hydraulic fluid leaks in the area of the star grip Following the reduction in pressure the valve is once again tight Should the valve leak permanently please immediately contact your dealer or HURST itself CAUTION Because HURST rescue equipments 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 on a appropriate HURST service training you have the explicit permission of the HURST Service department After inquiry an examination for the distribution of permission is being carried out An examination in each individual case is necessary 22 10 2 Preventative service 10 2 1 Care regulations The ex
33. ve the relevant valid national and international regulations pertaining to service intervals of rescue equipment In the Federal Republic of Germany regular safety inspections according to the regulations of the Gesetzlichen Unfallversicherung GUV connoted Legal accident insurance are mandatory CAUTION Clean off any dirt before controlling the equipment WARNING CAUTION In order to carry out maintenance and repair works tools appropriate for the job Q and personal protecting equipment are essential 20 9 1 Spreader overall Inspections to be carried out Visual inspection Spreader Opening width of the spreader arms on the tips see chapter Technical data General tightness leaks Operability of the star grip Existence and stability of handle Labels completely existent and legibly Covers in perfect condition Couplings must be easy to couple Dust protection caps must be available Spreader arms e Spreader arms free of tears and without any chipped spots or deformations on the surfaces e Bolts and retaining rings of the spreader arms must be present and in correct working order e Grooving of the tips must be clean and squared and not have any tears e Tips existent and locked for SP 300 Hoses see also operating instructions for hydraulic hoses e Visual control for visible damage e Control for leaks Function test e Opening and closing function flawlessly upon activation of the st
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