Epiroc HC 1050, Инструкция по безопасности и эксплуатации

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Safety and operating instructions
© Construction Tools PC AB | 3390 5211 01 | 2020-09-18
Original Instructions
39
8 Troubleshooting
8.1 Hydraulic attachment does not work
Cause Remedy By
Pressure and tank lines swapped Connect the hydraulic hoses correctly (see chapter Hy-
draulic connections )
Carrier driver
Check valve in pressure and/or
tank line closed Open the check valve Carrier driver
Oil level in tank too low Top up oil Carrier driver
Defective couplings blocking
pressure and tank lines Replace defective coupling halves Workshop
Faults in the electrical system of
the hydraulic attachment installa-
tion Check electrical system of hydraulic attachment cutter in-
stallation and remedy defects Workshop
Magnet on switch-on valve dam-
aged Replace the magnet Workshop
Operating pressure too low Check the carrier engine speed, the pump delivery and
the pressure relief valve; check the operating pressure Carrier driver or
Epiroc Customer
Center / Dealer in
your area
8.2 Tamper plate frequency too low
Cause Remedy By
Insufficient hydraulic oil delivery
volume Correct the carrier engine speed, check the operation
pressure, check the carrier mode stages Carrier driver
The connecting fitting in the pres-
sure and tank line has come
loose Check the connecting fitting and tighten as required Carrier driver
Check valve in pressure and/or
tank line partly closed Open the check valve Carrier driver
Flow resistance on oil filter or oil
cooler too high Check the oil filter and oil cooler, clean or renew them Carrier driver
Inside diameter of tank line too
small Change the inside diameter: Observe the minimum inside
diameter! (see chapter
Technical specifications )
Workshop
Return pressure too high Check and lower the return pressure Epiroc Customer
Center / Dealer in
your area
Hydraulic oil return to the tank via
a valve section
Not allowed!
Note: The hydraulic oil return circuit must always be con-
nected directly to the tank or filter
Carrier driver or
Epiroc Customer
Center / Dealer in
your area
Hydraulic oil temperature in the
tank higher than 80 °C Check the oil level in the hydraulic tank and top up as re-
quired Carrier driver
Hydraulic oil pressure too low Check the pressure; adjust as required; Fit new type-
tested pressure relief cartridges where necessary Workshop