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INSTRUCTION MANUAL

HPB25

Hydraulic Paving Breaker

99944642 REV 9

© 2019 Greenlee Tools, Inc.

10/19

Read

and

understand

all of the instructions and

safety information in this manual before operating

or servicing this tool.

Register this product at www.greenlee.com

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Summary of Contents for HPB25

Page 1: ...raulic Paving Breaker 99944642 REV 9 2019 Greenlee Tools Inc 10 19 Read and understand all of the instructions and safety information in this manual before operating or servicing this tool Register this product at www greenlee com ...

Page 2: ...procedures for the following Greenlee tool HPB25 Paving Breaker Keep this manual available to all personnel Replacement manuals are available upon request at no charge at www greenlee com Other Publications Tool Owners Users SAE Standard J1273 Hose and Hose Assemblies Publication 99930323 All specifications are nominal and may change as design improvements occur Greenlee Tools Inc shall not be lia...

Page 3: ...stem is pressurized Depressurize the hydraulic system before servicing Oil under pressure easily punc tures skin causing serious injury gangrene or death If you are injured by escaping oil seek medical attention immediately Do not exceed the following hydraulic power source maximums Hydraulic flow 25 l min 7 gpm Pressure relief 207 bar 3000 psi Back pressure 13 8 bar 200 psi Failure to observe thi...

Page 4: ...gainst the work surface Damage to the breaker can result Inspect the hydraulic hoses and couplings every operating day Repair or replace if leakage crack ing wear or damage is evident Damaged hoses or couplings can fail resulting in injury or property damage Use this tool for manufacturer s intended purpose only Use other than that which is described in this manual can result in injury or property...

Page 5: ...enlee Tools Inc 4455 Boeing Dr Rockford IL 61109 2988 USA 815 397 7070 5 Identification 1 Handle 2 Control Lever 3 Accumulator 4 Pressure Port 5 Return Port 6 Valve Body 7 Cylinder 8 Front End 9 Latch 10 Side Handle 1 2 3 4 5 7 6 8 10 9 ...

Page 6: ...etting 207 bar 3000 psi Back Pressure maximum 13 8 bar 200 psi Maximum hydraulic fluid temperature must not exceed 60 C 140 F A sufficient oil cooling capacity is needed to limit the hydraulic fluid temperature Hydraulic flow must not exceed 25 l min 7 gpm Install a flow meter in the return line to measure the rate of hydraulic flow before using the tool Pressure relief valve setting must not exce...

Page 7: ...cting Hoses 1 Move the flow lever on the hydraulic power source to the OFF position 2 Stop the hydraulic power source 3 Connect the return hose to the return port on the hydraulic power source then to the return port on the tool 4 Connect the pressure hose to the pressure port on the tool then to the pressure port on the hydraulic power source Disconnecting Hoses 1 Move the flow lever on the hydra...

Page 8: ...e latch with a downward motion 3 Insert the accessory into the front head 4 Lock the latch with an upward motion 5 Connect the hydraulic hoses according to the instructions under Hose Connections Operation 1 Start the hydraulic power source Note Allow the hydraulic power source to run for a few minutes to warm the hydraulic fluid 2 Position the bit against the surface material to be broken ground ...

Page 9: ...ap the hose connection port of the charging valve Close the relief valve on the charging valve 4 Slowly turn the handle counterclockwise to open the accumulator valve until pressure is read on the pres sure gauge If the pressure gauge reads less than 32 kg cm2 455 psi then the pressure needs to be increased to 40 kg cm2 569 psi 5 If the pressure needs to be adjusted turn the handle clockwise to cl...

Page 10: ...r s instructions for removing air from the system Incorrect hydraulic fluid viscosity Use hydraulic fluid with the correct viscosity Tool feels hot Hydraulic fluid level low Check the fluid level Check for leaks Incorrect hydraulic fluid viscosity Use hydraulic fluid with the correct viscosity Hydraulic fluid dirty Refer to the power source owner s manual for procedure to replace hydraulic oil and...

Page 11: ...ing Dr Rockford IL 61109 2988 USA 815 397 7070 11 Illustration 53 48 55 50 47 52 49 51 53 54 54 10 14 32 56 8 15 3 28 23 22 40 34 46 12 46 13 11 9 5 1 16 24 30 26 7 25 29 33 46 2 35 18 39 6 37 36 20 19 4 38 42 44 57 27 21 45 46 17 64 63 60 59 65 66 61 63 62 58 ...

Page 12: ...socket 8x15 4 35 45975 50459759 Bolt hex socket 10x50 1 36 45976 50459767 Spring pin Ø16x50 1 37 45977 50459775 Spring pin Ø10x50 1 38 45978G 50459783 Spring pin Ø6x20 1 39 45979 50459791 Needle roller 1 40 52183 52049243 Hydraulic hose set 1 42 50017462 Decal identification 1 44 49009 50490095 Decal warning 1 46 45983 50459830 Taper plug hex socket PT1 8 10 47 45984 50459848 Handle grip 1 48 4598...

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