Upper Roller Removal; Upper Roller Disassembly - Doosan DX140R Shop Manual

Reference
Number
1
2
3
4
5
6
7
8

Upper Roller Removal

1. Relieve track tension. This will allow track to be raised so
that links clear top of roller.
2. Position a bottle jack on top of track frame and apply
pressure to track shoe.
3. Remove mounting hardware holding upper roller assembly
to track frame.

Upper Roller Disassembly

1. Remove the plug (9, Figure 37) from the cover and drain
oil.
Track Assembly
Page 26
Description
Roller
Shaft
Thrust Ring
Bushing
Bushing
Floating Seal
O-ring
O-ring
Reference
Number
9
10
11
12
13
14
15
Figure 36
9
Figure 37
Description
Plug
Cover
Washer
Bolt
Blot
Spring Washer
Spring Washer
FG000524
FG001494
SP001941