Disassembly And Assembly Of Track Roller Assembly - Komatsu PC88MR-10 Shop Manual

Disassembly and assembly of track roller assembly

a Special tools
Sym-
Part No.
bol
790 101 5001 Push tool kit
790 101 5111
790 101 5021
3
01010 50816
L
786T-230
4 Installer
1210
Disassembly
(PC88MR-DTD0-530-K-00-A)
1. Remove pin (2) from track roller assembly (1),
and remove collar (3).
2. Remove floating seal (4a) from collar (3).
3. Remove floating seal (4b) from roller (5).
4. Remove O-ring (7) from shaft and collar
assembly (6).
5. Remove shaft and collar assembly from roller
(5).
PC88MR-10
Part name
q 1
Plate 1
Grip
1
Bolt
1
t 1
50 Disassembly and assembly
(PC88MR-DTD0-926-K-00-A)
6. Remove floating seal (9a) from roller (5), and
remove floating seal (9b) from shaft and collar
assembly (8).
7. Remove bushings (10) and (11) from roller (5).
Assembly
(PC88MR-DTD0-710-K-00-A)
a When installing the floating seal, clean,
degrease and dry the parts indicated with thick
lines (load ring and mating face of the load ring)
completely.
Undercarriage and frame
50-131