Komatsu PC20R-8 Shop Manual page 246

REMOVAL AND INSTALLATION
DISASSEMBLY OF THE WORK EQUIPMENT CYLINDERS
1 - Take off the guard rings (1) from both sides of the cy-
linder and from the piston rod.
H Make sure that the tube unions are not plugged.
2 - Place the cylinder (2) on the apparatus C1. Engage
the cylinder in the tools C4, having the same bushing
diameter.
3 - Attach the special wrench C5 (adjusted to fit the cylin-
der) to the head (3) and apply the dynamometric tool
C2.
4 - Unscrew the head (3) and extract it completely from
the cylinder (2).
30-64
WORK EQUIPMENT CYLINDERS
2
23
5
C
3
3
2
1
1
RKP05230
4
C
1
C
RKPA1390
2
C
RKPA1400
RKPA1410
PC20R-8 PC27R-8