.
MAINTENANCE
SERVICE PROCEDURE
ADJUST IDLER CLEARANCE
The idler moves forward and backward under external pressure
when this happens, side guide (1) and guide plate (2) become
worn.
As they become worn, there is side play in the idler, or the idler
turns at an angle, causing the track to come off or resulting in
uneven wear, so adjust as follows.
ADJUSTMENT
1. Drive the machine for 8 to 12 m (26 ft 3 in to 39 ft 4 in) on flat
ground, then measure clearance A (4 places: left, right, inside
outside) between the track frame and side guide (1).
2. If clearance A is more than 3 mm (0.1 in), remove bolt (3), then
take out shim (4), and adjust to that the clearance on one side
is less than 0.5 mm (0.02 in).
REMARK
There are 2 types of shim
(thickness: 0.5 mm (0.02 in) and 1.0 mm (0.04 in)).
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