Safety and operating instructions
44 © Construction Tools GmbH | 33905146 01 | 2019-09-05
Original Instructions
7 Maintenance
The maintenance activities are carried out by the carrier
driver.
WARNING Hot hydraulic oil squirting out
The hydraulic system is under high pressure. If hydraulic
connections come loose, hydraulic oil will squirt out un-
der high pressure. Hydraulic oil squirting out can lead to
serious injury.
u Immediately switch off the hydraulic attachment and
the carrier if you detect any leaks in the hydraulic cir-
cuits.
u Depressurise the hydraulic system (see chapter De-
pressurising the hydraulic system).
u Repair any leaks before operating the hydraulic at-
tachment again.
WARNING Hot hydraulic oil squirting out
The hydraulic system is under high pressure. Hydraulic
oil escaping out can lead to serious injury.
u Immediately switch off the hydraulic attachment and
the carrier if you detect any leaks in the hydraulic cir-
cuits.
u Do not inspect for possible leaks with your fingers or
other parts of the body, but use a piece of cardboard
instead, holding it up to the suspected leakage site.
u Examine the cardboard for traces of liquid.
u Depressurise the hydraulic system (see chapter De-
pressurising the hydraulic system).
u Repair any leaks before operating the hydraulic at-
tachment again.
WARNING Hot parts
The percussion unit, the working tool, hoses, pipes and
fittings become very hot during operation. Touching
them may lead to burns.
u Never touch hot parts.
u If you have to carry out activities where you have to
touch the parts, wait for them to cool down first.
WARNING Accidental start
If the hydraulic attachment is started by accident this
may lead to serious injury.
u Follow the instructions in the Operating Instructions
of the carrier to prevent the hydraulic attachment
starting by accident.
WARNING Unexpected movement
Sudden movements of the carrier may cause serious in-
jury.
u Secure the carrier such that it cannot move unex-
pectedly.
u Observe the carrier manufacturer’s instructions.
NOTICE Environmental damage due to hydraulic oil
Hydraulic oil is environmentally harmful and must not
penetrate the ground or enter the water table or water
supplies.
u Collect any hydraulic oil which escapes.
u Dispose of it in accordance with the applicable envi-
ronmental regulations.
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