Impact rate too high and impact force too low
Cause Remedy By
No gas in piston accumulator Check the gas pressure and fill the piston accumulator
(see chapter Filling/topping up the piston accumulator)
Carrier driver
O-rings defective Replace O-rings Workshop
Oil leaks from ports »P« und »T«
Cause Remedy By
Cap nuts loose Check the cap nuts and tighten
(see chapter Bolt connections/Tightening torques)
Carrier driver
Hose connection CL to port »P« for
ContiLube
®
II or the plug is loose and
ContiLube
®
II has not been installed
Check the cap nuts and tighten
Check the plugs and tighten
(see chapter Bolt connections/Tightening torques)
Carrier driver
Oil escapes between the cylinder cover and the cylinder
Cause Remedy By
Tensioning bolts are loose Check the tensioning bolts and tighten
(see chapter Bolt connections/Tightening torques)
Workshop
Seals damaged Replace the seals Workshop
Oil escapes from parts of the hydraulic breaker installation
(connecting fittings, hoses etc.)
Cause Remedy By
Connecting fittings are loose; flange
connections to the valve are loose
Check the connecting fittings and tighten; replace any
defective parts if required
(see chapter Bolt connections/Tightening torques)
Check the hydraulic breaker installation and replace any
damaged parts
Only use original parts!
Carrier driver or workshop
Oil escapes from the working tool
Cause Remedy By
Lower piston seal defective Dismantle the hydraulic breaker
Replace the seals
Workshop
Oil escapes from the high pressure accumulator
Cause Remedy By
The fastening screws of the high pressure
accumulator are loose
Replace O-ring and back-up ring
Tighten the fastening screws
(see chapter Bolt connections/Tightening torques)
Workshop
Connecting screws of lower and upper
shell are loose or broken
Replace the HP- accumulator
Observe the national safety regulations
Workshop
Safety and operating instructions HB 2000, 2000 DP, 2500, 2500 DP
60 © Construction Tools GmbH | 3390 5090 01 | 2016-05-23
Original instructions
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