Hitachi EX 3600-6 Operator's Manual page 268

Loosen the Track
WARNING: Do not loosen valve (1) quickly or
loosen it too much as high-pressure grease in
the adjusting cylinder may spout out. Loosen
carefully, keeping body parts and face away from
valve (1).
Never loosen grease fitting (2).
IMPORTANT: When gravel or mud is packed between
sprockets and track links, remove it be-
fore loosening.
1. To loosen the track, slowly turn valve (1) counter-
clockwise using long socket 24; grease will escape
from the grease outlet.
2. Between 1 to 1.5 turns of valve (1) is sufficient to
loosen the track.
3. If grease does not drain smoothly, slowly rotate the
raised track.
4. When proper track sag is obtained, turn valve (1)
clockwise and tighten to 147 N m (15 kgf m, 108
lbf ft).
Tighten the Track
WARNING: It is abnormal if the track remains
tight after turning valve (1) counterclockwise or if
the track is still loose after charging grease to fit-
ting (2). In such cases, NEVER ATTEMPT TO DIS-
ASSEMBLE the track shoes or track adjuster,
because of dangerous high-pressure grease in-
side the track adjuster. See your authorized
dealer immediately.
To tighten the track, connect grease lubricator or a grease
gun to grease fitting (2) and add grease until the sag is
within specifications.
MAINTENANCE
Grease
Outlet
7-129
1
2
M117-07-074
1
2
M117-07-105