Engine-Pump Group - Komatsu PC20R-8 Shop Manual

REMOVAL AND INSTALLATION
13 - Attach the engine hoisting hook to some hoisting
tackle and apply a slight tension to the cable.
14 - Take out the nuts (21) and the four washers (22), raise
the engine slowly and lift it out.
H Check that the motor swings completely free
while it is being raised, and that no other parts
are damaged.
Engine -pump group: 180 kg
INSTALLATION OF THE

ENGINE-PUMP GROUP

To install, reverse the removal procedure.
.
H Adjust the accelerator stroke. (For details, see «20.
CONTROLS AND ADJUSTMENTS»).
Vibration-damping nuts: 56 Nm
1 - Fill the tank with hydraulic oil up to the maximum le-
vel.
While filling the tank, bleed air from the pump.
(For details, see «20. CONTROLS AND ADJUST-
MENTS»).
Hydraulic oil required: approx. 29
2 - Fill the cooling circuit up to its maximum level.
Coolant: approx. 4
3 - Start the engine to circulate the oil and coolant and
check that there are no leaks.
4 - Stop the engine, check the levels and, if necessary,
top them up.
5 - Bleed air from the hydraulic circuits and pressurise
the tank. (For details, see «20. CONTROLS AND AD-
JUSTMENTS»).
PC20R-8 PC27R-8
,
,
ENGINE-PUMP GROUP
21
RKPA2970
22
RKPA2980
30-29