Sprocket Wheel; Removal; Installation - Komatsu PC20R-8 Shop Manual

REMOVAL AND INSTALLATION
REMOVAL OF THE SPROCKET WHEEL
1 - Remove the track-shoe. (For details, see «REMOVAL
OF TRACK-SHOES»).
2 - Rotate the turret 90ë away from the side of the wheel
to be removed.
3 - Push down with the boom perpendicular to the
ground and raise the lower track-frame.
Insert safety blocks underneath the track-frame.
4 - Take out the screws (1) and their washers.
5 - Remove the sprocket wheel (2).
Sprocket wheel: 7 kg
INSTALLATION OF THE

SPROCKET WHEEL

To install, reverse the removal procedure.
.
Screws: Loctite 262
Screws: 120 Nm
PC20R-8 PC27R-8
SPROCKET WHEEL
BLOCK
2
RKP05241
1
RKPA3460
30-51