1
8
6.4
Mounting the hydraulic breaker on the excavator−hydraulic aspects
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.
The e
x
ca
v
ator must ha
v
e a hydraulic system suitable
for breaker operations.
Check the nominal width of the hydraulic lines on
e
x
isting hydraulic systems. All feed and return lines
for the hydraulic oil must ha
v
e a sufficient inside dia
meter. Refer to
S
3
, Technical specifications.
Use only hoses
/
pipes which satisfy the following
q
ua
lity criteria
:
Hydraulic hoses with 4 wire spiral layers to
D
I
N
E
N
8
5
6
.
Hydraulic pipes
:
seamless, cold drawn steel pipes to
D
I
N
E
N
1
0305.
The safety facilities on the hydraulic system must be
checked by a professional
/
authorised persons for
their
q
uality (C
E
mark etc.), suitability and proper
functioning prior to their first use. By checking the
setting of and, where possible, attaching a lead seal
to the pressure limiting
v
al
v
e, it can be guaranteed
that the system’s working pressure, laid down in ac
cordance with chapter
3
, Technical
S
pecifications,
can ne
v
er be e
x
ceeded.
The return line from the breaker must run direct to
the oil tank in order to guarantee a reliable return oil
flow.
The pressure
−
relief o
v
erflow line must run direct from
the pressure
−
relief
v
al
v
e to the tank to ensure the
reliable functioning of the
v
al
v
e.
Do not run any hydraulic lines for attachment of the
hydraulic breaker through the dri
v
er’s cab!
Hydraulic lines may spring a leak or e
v
en burst, re
leasing hot hydraulic oil.
CP 2250:
Unscrew the blank flanges from ports
»P«
and
»T«
and put them in the toolbo
x
for safekeeping.
Fasten the hose flanges to the hydraulic breaker
using the fastening bolts. (Tightening tor
q
ues see
0.5.
1
0
).
CP550, CP750, CP1150, CP1650, CP3050 and
CP 4250:
Unscrew the caps from ports
»P«
and
»T«
and keep
them. The pressure port
»P«
is marked in red.
Check the connecting threads on the hydraulic brea
ker ports and the corresponding hose connectors to
ensure they are undamaged.
S
and or other foreign
bodies in the threads must be cleaned away.
S
crew the hoses to the ports. (Tightening tor
q
ues
see section
0.5.7
0.5.
1
0
).
all types:
I
f you come to the conclusion that the system does
not comply with the re
q
uirements listed abo
v
e, the
hydraulic breaker must not be operated. For reasons
of safety, you should absolutely contact the Chicago
Pneumatic Customer Center
/
dealer in your region.
When connecting or reconnecting the hydraulic lines,
the carrier must be secured in such a way that auto
matic startup of the hydraulic breaker is reliably
a
v
oided.
S
crew caps
Hoses
Port
P
Port
T"
The graphic may
v
ary for different breaker models
.
