Removal - Komatsu PC20R-8 Shop Manual

REMOVAL AND INSTALLATION
REMOVAL OF THE OIL-COOLER - RADIATOR GROUP
Completely lower the working equipment until it is
resting on the ground and stop the engine.
Release all residual pressures from the circuits and
the tank. (For details, see «20. CONTROLS AND AD-
JUSTMENTS»).
H Drain out the hydraulic oil.
Hydraulic oil: approx. 29
H Drain the coolant.
Coolant: approx. 4
1 - Open the R.H. counterweight (1) and remove the
hood (2).
2 - Disconnect pipes (3) and (4) and drain the hydraulic
oil from exchager and from drainage pipes.
3 - Disconnect pipe (5).
4 - Disconnect the delivery and drainage coolant pipes
(6) and (7).
5 - Loosen the lower screws (8) and upper screws (9)
and remove them.
PC20R-8 PC27R-8
,
,
OIL-COOLER - RADIATOR GROUP
3
5
7
8
1
2
RKPA2681
4
RKPB6120
8
RKPB6070
9
RKPB6130
30-25