
4
8
11.6
Oil leaks between cylinder cover and cylinder
ÂÂÂÂÂÂÂÂÂÂÂ
ÂÂÂÂÂÂÂÂÂÂÂ
ÂÂÂÂÂÂÂÂÂÂÂ
Cause
ÂÂÂÂÂÂÂÂÂÂÂÂ
ÂÂÂÂÂÂÂÂÂÂÂÂ
ÂÂÂÂÂÂÂÂÂÂÂÂ
Remedy
ÂÂÂÂÂÂÂÂÂÂÂ
ÂÂÂÂÂÂÂÂÂÂÂ
ÂÂÂÂÂÂÂÂÂÂÂ
by
Tie rods
/
nuts for tensioning bolts
loose
Tighten tie rods
/
Nuts
Workshop
S
eals defecti
v
e
Replace seals
(see spare parts lists)
Workshop
11.7
Oil leaks from parts of hydraulic system for breaker (Screw coup
lings, hoses etc.)
ÂÂÂÂÂÂÂÂÂÂÂ
ÂÂÂÂÂÂÂÂÂÂÂ
ÂÂÂÂÂÂÂÂÂÂÂ
Cause
ÂÂÂÂÂÂÂÂÂÂÂÂ
ÂÂÂÂÂÂÂÂÂÂÂÂ
ÂÂÂÂÂÂÂÂÂÂÂÂ
Remedy
ÂÂÂÂÂÂÂÂÂÂÂ
ÂÂÂÂÂÂÂÂÂÂÂ
ÂÂÂÂÂÂÂÂÂÂÂ
by
S
crew couplings loose;
flange connections on
v
al
v
e loose
Tighten screw couplings; if
necessary replace defecti
v
e parts;
check hydraulic system for
breaker, replace defecti
v
e parts
Note:
use only genuine spares
E
x
ca
v
ator dri
v
er or workshop
11.8
Oil leaks from working tool
ÂÂÂÂÂÂÂÂÂÂÂ
ÂÂÂÂÂÂÂÂÂÂÂ
ÂÂÂÂÂÂÂÂÂÂÂ
Cause
ÂÂÂÂÂÂÂÂÂÂÂÂ
ÂÂÂÂÂÂÂÂÂÂÂÂ
ÂÂÂÂÂÂÂÂÂÂÂÂ
Remedy
ÂÂÂÂÂÂÂÂÂÂÂ
ÂÂÂÂÂÂÂÂÂÂÂ
ÂÂÂÂÂÂÂÂÂÂÂ
by
Through intrusion of dust lower
piston seals are defecti
v
e
Dismantle hydraulic breaker; re
place seals; a
v
oid possible e
x
cessi
v
e lubrication of working tool
Workshop
11.9
Oil leaks from high−pressure accumulator
ÂÂÂÂÂÂÂÂÂÂÂ
ÂÂÂÂÂÂÂÂÂÂÂ
ÂÂÂÂÂÂÂÂÂÂÂ
Cause
ÂÂÂÂÂÂÂÂÂÂÂÂ
ÂÂÂÂÂÂÂÂÂÂÂÂ
ÂÂÂÂÂÂÂÂÂÂÂÂ
Remedy
ÂÂÂÂÂÂÂÂÂÂÂ
ÂÂÂÂÂÂÂÂÂÂÂ
ÂÂÂÂÂÂÂÂÂÂÂ
by
Fi
x
ing screws for highpressure
accumulator loose
Replace
O
ring a. back
−
up ring
(CP
11
50
:
parts
111
+
11
2)
K
(CP
16
50
:
parts 43 + 44)
K
(CP 2250
:
parts
11
+
1
2)
K
(CP 3050, CP 4250
:
parts 35 + 3
6
)
K
Tighten fi
x
ing screws
Workshop
K
Part nos. refer to
v
alid spare parts lists