Troubleshooting
Hydraulic breaker does not start
ByRemedyCause
Carrier driverCheck that the connections of the pressure and tank hoses
are correct.
See section "Hoses and connection".
Pressure and tank hoses are mixed up.
Carrier driverCheck the shut off valve and open it.Shut off valve in pressure and/or tank hoses
is closed.
WorkshopCheck couplings and replace defective coupling valves.Defective couplings blocking pressure and
tank hoses.
Carrier driver or Atlas Copco
Customer Center/Dealer in
your area
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".
Operating pressure too low.
Atlas Copco Customer
Center/Dealer in your area
Check and lower the return pressure.Return pressure too high.
Impact force too low
ByRemedyCause
WorkshopCheck the gas pressure and fill the high pressure
accumulator.
Check the condition of the accumulator, replace if necessary.
Gas pressure too low, whipping and pulsing
hoses.
WorkshopCheck the pressure, adjust as required. Fit new pressure
relief cartridges on carrier and breaker, if necessary.
Check the installation, check the restrictor, and check the
carrier's pressure.
See section "Pressure adjustment".
Hydraulic oil pressure too low.
Oil leaks
ByRemedyCause
WorkshopReplace the seals.Leaking or damaged seals.
© 2015 Construction Tools PC AB | No. 9800 1273 01d | 2015-12-30
Original instructions
24
SB 702, 1102Safety and operating instructions
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