Disassembly And Assembly Of Idler Assembly - Komatsu PC88MR-10 Shop Manual

Disassembly and assembly of idler assembly

a Special tools
Sym-
Part No.
bol
790 101 5001 Push tool kit
790 101 5041
790 101 5021
L 1
01010 50816
Disassembly
(PC88MR-DT90-530-K-00-A)
1. Remove dowel pin (1) and support (2).
2. Remove floating seal (3) from support (4) and
idler (4).
3. Remove idler (4) from shaft (5) and support
assembly (7).
a Since oil (60 cc) is sealed in the idler, spread
the cloth, etc. on the floor to prevent the floor
from being dirt by oil falling down when
disassembling.
4. Remove floating seal (6) of idler (4), shaft (5),
and support assembly (7) on the opposite side.
PC88MR-10
N-
e-
c-
e-
Part name
Q'ty
s-
si-
ty
q 1
Plate 1
Grip
1
Bolt
1
50 Disassembly and assembly
(PC88MR-DT90-926-K-00-A)
5. Remove support (7) from shaft (5) with dowel pin
(8).
6. Remove bushings (9) and (10) from idler (4).
Assembly
(PC88MR-DT90-710-K-00-A)
1. Press-fit to idlers (4) and (10) by using tool L1.
a Press-fitting force: 26 to 53 kN {2.6 to 5.4
ton}
2. Install O-ring and install support (7) to shaft (5)
with dowel pin (8).
Undercarriage and frame
50-125