Epiroc SB 52 - Troubleshooting; Hydraulic Breaker Does Not Start; Impact Force too Low; Oil Leaks

Troubleshooting
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 Customer
Center /Dealer in your area
Return pressure too high. Check and lower the return pressure. Customer Center /Dealer in
your area
Impact force too low
Cause Remedy By
Gas pressure too low, whipping and
pulsing hoses.
Check the gas pressure and fill the accumulator. Operator
Oil leaks
Cause Remedy By
Leaking or damaged seals. Replace the seals. Workshop
SB 52, 102, 152, 202, 302, 302Tunnel, 452, 452Tunnel,
552
Safety and operating instructions
© Construction Tools PC AB | 9800 0648 01 | 2018-01-01
Original instructions
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