Installation - Komatsu PC20R-8 Shop Manual

REMOVAL AND INSTALLATION
10 - Take away the pin (8). Remove the working equip-
ment (9).
H Check and make a note of the position of the
shim.
Working equipment: PC20R-8: 230 kg
INSTALLATION OF THE UPPER
WORK EQUIPMENT
To install, reverse the removal procedure.
.
H Check the centering and the smooth movement of the
protection (1).
Shoes and guides: ASL800050
H Adjust the shim thickness so that the clearance be-
tween cylinder and boom is below 1 mm.
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.
H Insert the shim.
Internal bushings: ASL800040
Pin screws: 63w6.5 Nm
Start the engine to circulate the oil and bleed the air
.
from the cylinder.
H After bleeding the air, stop the engine and check
the oil level in the tank.
PC20R-8 PC27R-8
PC27R-8: 310 kg
UPPER WORK EQUIPMENT
MAX.1mm
30-71
6
RKPA3690
RKP06281