5-27
MAINTENANCE
EVERY 50 HOURS
(A) Rubber crawler
59 to 64 mm (2.3 to 2.5 in.)
Adjustment
Incr
easing the tension
1. Remove the cover (1).
2. Inject grease through the grease fitting (3)
of the grease discharge valve (2) with a
grease gun.
3. Inspect the crawler tension.
Decreasing the tension
1. Remove the cover (1).
2. Slowly loosen (one turn) the grease
discharge valve (2) with a spanner to
discharge grease. If grease does not
come out well, move the machine back-
and-forth.
3.
Tighten the grease discharge valve (2).
· Tightening torque: 177 N·m (130 ft-lb.)
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