Komatsu PC20R-8 Shop Manual page 254

REMOVAL AND INSTALLATION
REMOVAL OF THE BUCKET
Position the bucket on the ground on a flat surface,
and resting on its back.
1 - Take out the safety pin (1) and remove the connecting
pin (2) between the bucket (3) and the tie-rods (4).
2 - Take out the safety pin (5) and remove the pin (6) that
connects the bucket (3) to the arm (7).
3 - Remove the bucket (3).
Bucket: PC20R-8: 40 kg
PC27R-8: 50 kg
INSTALLATION OF THE BUCKET
To install, reverse the removal procedure.
.
H Adjust the shim thickness so that the clearance be-
tween bucket (3) and link (4) 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.
Internal bushings: ASL800040
H Insert O-ring (8) on both sides between the bucket (3)
and the arm (7).
30-72
7
6
5
1
7
8
3
4
3
BUCKET
4
2
3
RKPA3700
RKPA3710
MAX.1mm
RKP06310
PC20R-8 PC27R-8