Water Coolant Pump - Komatsu PC20R-8 Shop Manual

REMOVAL AND INSTALLATION
REMOVAL OF WATER COOLANT PUMP
Disconnect the negative terminal cable (±) from the
battery.
H Drain the engine coolant.
Coolant: Approx. 4
1 - Remove the engine hood (1) and R.H. lateral counter-
weight (2).
R.H. lateral counterweight: 37 kg
2 - Disconnect the tube (3) and (4).
H Only for cabin version. Disconnect the cooling
circuit tube (5).
Disconnect the connectors (6).
3 - Remove from the radiator the fan cover (7) and dis-
connect the fan-cooling conveyor (8).
4 - Loosen the screws (9), remove the cooling fan (10)
and the spacer (11). Take out the fan-cooling con-
veyor (8).
Loosen the alternator drive belt and disengage the
pulley of the water pump.
30-12
,

WATER COOLANT PUMP

1
2
4
7
RKPA2421
3
5
RKPB6060
8
RKPB6070
10
11
9
RKP06541
PC20R-8 PC27R-8