DOC-20230111-WA0038.

UNDERCARRIAGE / Upper And Lower Roller
REMOVE AND INSTALL UPPER ROLLER
Removal
CAUTION: The track adjuster is under high
pressure. Do not loosen valve (1) quickly or
loosen it too much as high pressure grease in
the adjusting cylinder may spout.
Loosen carefully, keeping body parts and
face away from the valve. Never loosen
grease fitting (2).
1. Gradually loosen valve (1) to drain grease.
NOTE: It’s enough to turn valve (1) by only one
turn.
: 24 mm
1
W105-03-06-001
2
Grease Outlet
IMPORTANT: Use a nonskid cloth between track
frame (5) and the oil jack to prevent
slipping.
2. Jack up tracks (3) high enough to permit upper
roller (4) removal. Insert wooden blocks between
the track and track frame (5).
Nonskid
Cloth
Oil Jack
Wooden Block
3
M104-07-119
4
5
3. Remove bolts (6) to remove upper roller (4) from
track frame (5).
: 22 mm
W105-03-06-003
6
4
5
M152-07-046
W3-6-1