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3
8
10.5.8 Screw couplings CP 1150
O
n percussi
v
e tools such as hydraulic breakers, the
screw couplings are subjected to particularly high
loads. During the first 50 operating hours the screw
couplings on the breaker must be checked daily,
thereafter once a week (e
x
cept of tie rods and high
−
pressure accumulator). Tighten any loose connec
tions without e
x
ceeding the prescribed tightening
tor
q
ue.
The following screws
/
couplings must be checked
:
ÂÂÂÂÂÂÂÂÂÂ
ÂÂÂÂÂÂÂÂÂÂ
ÂÂÂÂÂÂÂÂÂÂ
Connection point
ÂÂÂÂÂ
ÂÂÂÂÂ
ÂÂÂÂÂ
Partno.
ÂÂÂÂÂ
ÂÂÂÂÂ
ÂÂÂÂÂ
Interval
ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ
ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ
ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ
CP 1150
Type of spanner......size.....Nm
Adapter
K
1
daily
Allen key size 22
/
1
500 Nm
Tensioning bolts
KKK
2
sound check
weekly
Tor
q
ue wrench
/
Power wrench size 55
Allen screw
KK
(
v
al
v
e co
v
er
/
control
v
al
v
e)
3
in case of
repair
Allen key size
1
4
/
200 Nm
S
crew plug
(Perc. chamber
v
entilation)
4
in case of
repair
S
panner size 4
1
/
200 Nm
Filling
v
al
v
e
»G«
S
crew plug
5
in case of
repair
S
ocket spanner size 22
/
1
30 Nm
Allen key size 5
/
20 Nm
Connections
»P«
and
»T«
6
weekly
Jaw spanner size 4
6
/
16
0 Nm
Connection
»CL«
7
weekly
Jaw spanner size 27
/
200 Nm
Jaw spanner size
1
4
/
20 Nm
Hose connections
CP
−L
ube
7
weekly
S
ocket and jaw spanners of
v
arying sizes
High
−
pressure accumulator
8
weekly
Allen key size
1
4
/
350 Nm
K
Apply anti
−
seize to the threads of the cylindrical
bolts before screwing them in.
The contact face of the bolt head and the locking
rings must be free of lubricant.
KK
O
nly possible when adapter has been remo
v
ed
Note
Tensioning bolts
:
Visual check and
/
or sound check by metallic hitting
of the upper he
x
agons
/
washers thru the ser
v
ice ope
nings of breaker bo
x
.
KKK
Tightening the tensioning bolts for
CP 1150
H
Pre
−
tighten nuts in diagonally opposed pairs to
500 Nm,
H
then tighten in diagonally opposed pairs by a fur
ther
6
0° (
1
side of he
x
agonal head),
H
then finish tighten in diagonally opposed pairs by
1
20°
(2 sides of the he
x
agonal head).
CP 1150
3
2
6
G
5
4
7
P
T
CL
1
8
X
View X
(without hammer bo
x
)