Komatsu PC88MR-10 Shop Manual page 1143

7. Split collar
Remove split collar (25).
a When the split collar cannot be removed,
push it into the bearing by using tool F1.
a Do not push the split collar more than 1 mm
because the clearance of the split collar
insertion groove is approximately 1 mm.
Pushing force: Max. 11.8 kN {Max. 1.2 ton}
PC88MR-10
50 Disassembly and assembly
8. Shaft assembly
1) Set shaft and case assembly (3) on block [1],
and remove shaft assembly (28) by using
tool F2 and press.
2) Remove sub bearing inner race (26a).
3) Set shaft assembly (28) on block [2], and
remove main bearing inner race (29a) and
collar (30) from shaft (28).
Power train system
50-115