Komatsu PC20R-8 Shop Manual page 261

REMOVAL AND INSTALLATION
REMOVAL OF THE BLADE
1 - Rotate the turret 90ë and rest the working equipment
on the ground.
2 - Disconnect the cylinder from the blade. (For details,
see «REMOVAL OF THE BLADE CYLINDER»).
3 - Attach the blade to some hoisting tackle, using the
lateral holes provided (1) and the cylinder attachment
(2).
H Adjust the length of the cables to balance the
group.
4 - Take out the pin (3).
5 - Remove the blade (4).
Blade: PC20R-8: 100 kg
PC27R-8: 137 kg
INSTALLATION OF THE BLADE
To install, reverse the removal procedure.
.
Internal bushings: ASL800050
When aligning the positions between the hole and
the pin, turn the engine over at low idling.
Do not insert fingers in the holes to check alignment.
PC20R-8 PC27R-8
1
3
4
BLADE
2
4
RKPA3800
RKPA3810
30-79