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Safety and operating instructions
40
© Construction Tools PC AB | 3390 5211 01 | 2020-09-18
Original Instructions
8.3 Insufficient impact force
Cause
Remedy
By
The pump of the hydraulic instal-
lation does not deliver sufficient
oil
Check the pump characteristic with a measuring device
and compare it to the original details; renew the pump if
required
Checking:
Epiroc
Customer Center /
Dealer in your area
Replacing:
by carrier
manufacturer‘s cus-
tomer service
8.4 Oil escapes from the hydraulic motor (rotor and rotating
mechanism)
Cause
Remedy
By
Motor damaged
Seal the motor
Replace the motor
Epiroc Customer
Center / Dealer in
your area
Workshop
8.5 Oil leaks from hydraulic ports
Cause
Remedy
By
Cap nuts are loose
Check and tighten cap nuts (see chapter
Bolt connec-
tions / Tightening torques
)
Carrier driver
8.6 Oil escapes from parts of the hydraulic attachment installation
(connecting fittings, hoses etc.)
Cause
Remedy
By
Connecting fittings are loose
Tighten the connecting fittings; replace any defective
parts; check the hydraulic attachment installation, replace
any damaged parts, only use original parts (see section
Screw connections / Tightening torques
)
Carrier driver or work-
shop
8.7 Oil escapes from the hydraulic attachment
Cause
Remedy
By
Covers are loose
Tighten the covers see chapter (
Screw connections /
Tightening torques
)
Workshop
O-rings of covers defective
Replace the O-rings (see chapter
Replacing rotor and/or
O-rings of covers
)
Workshop