Safety and operating instructions
© Construction Tools PC AB | 9800 1594 01 | 2020-03-23
Original Instructions
23
10 Troubleshooting
10.1 Hydraulic breaker does not start
Cause
Remedy
By
Pressure and tank hoses are
mixed up.
Check that the connections of the pressure and tank
hoses are correct.See section "Hoses and connection".
Carrier driver
Shut off valve in pressure and/or
tank hoses is closed.
Check the shut off valve and open it.
Carrier driver
Defective couplings blocking
pressure and tank hoses.
Check couplings and replace defective coupling valves.
Workshop
Operating pressure too low.
Check the carrier engine speed, the pump delivery and
the pressure relief valve. Check the operating pressure.
Adjust settings and replace defective parts if required.See
section "Installation".
Carrier driver or Cus-
tomer Center /Dealer
in your area
Return pressure too high.
Check and lower the return pressure.
Customer Center /
Dealer in your area
10.2 Impact force too low
Cause
Remedy
By
Gas pressure too low, whipping
and pulsing hoses.
Check the gas pressure and fill the accumulator.
Operator
10.3 Oil leaks
Cause
Remedy
By
Leaking or damaged seals.
Replace the seals.
Workshop
10.4 Hydraulic breaker operates too slow
Cause
Remedy
By
Insufficient hydraulic oil delivery
volume.
Check the engine speed and/or mode stage of the carrier
and the operation pressure and adjust.
Check the carrier's pressure and the size of the restrictor.
Carrier driver
Valve in pressure and/or tank
hoses partly closed.
Check the valve and open.
Carrier driver
Flow resistance on oil filter or oil
cooler too high.
Check the oil filter and oil cooler, clean or replace them.
Carrier driver
Working tool jams in the lower
breaker part.
Correct the direction of the carrier boom. The pressing
force must act in the axial direction of the hydraulic
breaker.
Check the shaft of the working tool and deburr if required.
Use the right type, and amount of grease. Always use
chisel paste recommended by your manufacturer.
Check the working tool and the wear bush for wear and
replace if necessary.See section "Working tool".
Carrier driver
