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10.5.12 Checking that the highpressure accumulator is in perfect working order
(CP 1150, CP 1650, CP2250, CP3050, CP4250)
I
f the normally motionless pressure hose to the brea
ker (port
»P«
) starts to jerk
v
iolently, there is a pro
blem with the highpressure accumulator.
S
witch off the hydraulic breaker immediately and re
place the highpressure accumulator.
DANGER!
Before mounting/dismounting the hydraulic tool
and/or any maintenance work on the hydraulics
of the hydraulic tool/carrier the hydraulic system
must be depressurized!
Check the pressure accumulator in accordance with
the national safety pro
v
isions. We recommend fi
v
e
−
yearly maintenance inter
v
als.
10.5.13 Checking the hydraulic lines before starting work
Carry out a
v
isual check on all lines (pipes and
hoses) from the pump to the hydraulic breaker and
back to the tank. Tighten any loose screw couplings
and hose clamps. Damaged pipes
/
hoses must be
replaced.
10.5.14 Checking the adapter bolts for wear
This
v
isual check is only possible when the hydraulic
breaker has been dismounted from the e
x
ca
v
ator.
I
f
e
x
cessi
v
e wear is detected (cracks, notches, notice
able indentations etc.) the screws must be replaced.
10.5.15 Checking and cleaning the hydraulic oil filter
An oil filter must be fitted in the return line to the hy
draulic system. The oil fil
−
ter must ha
v
e a mesh no
greater than 50 microns and be e
q
uipped with a
magnetic separator.
A new oil filter cartridge should be fitted for the first
time after 50 operating hours. Thereafter the oil filters
should be checked e
v
ery 500 operating hours and
changed if necessary.
