Removal; Engine-Pump Coupling - Komatsu PC20R-8 Shop Manual

REMOVAL AND INSTALLATION
REMOVAL OF ENGINE-PUMP COUPLING
Lower the working equipment until it is resting on the
ground and stop the engine.
1 - Remove the pump. (For details, see «REMOVAL OF
THE PUMP»).
2 - Remove the flywheel cover (1). (8 screws).
3 - Take out the screws (2) and remove the coupling (3).
H Replace screw every removal.
INSTALLATION OF THE

ENGINE-PUMP COUPLING

To install, reverse the removal procedure.
.
Flywheel cover screws: 55 Nm
Coupling screws: 55 Nm
1 - Fill the tank up to its maximum level.
Hydraulic oil required: approx. 22
Bleed the air from the pump. (For details, see «20.
CONTROLS AND ADJUSTMENTS»).
2 - Start the engine to circulate the oil and check that
there are no leaks.
3 - Stop the engine, check the oil level and, if necessary,
top it up.
4 - Bleed the air from the hydraulic circuits and pressur-
ise the tank. (For details, see «20. CONTROLS AND
ADJUSTMENTS»).
PC20R-8 PC27R-8
,
ENGINE-PUMP COUPLING
1
2
3
RKPA2990
RKPA3000
30-31