.
MAINTENANCE
SERVICE PROCEDURE
CHECK AND ADJUST TRACK TENSION
WARNING
For details of starting the engine and operating the work equipment, see "CHECK BEFORE STARTING ENGINE (PAGE 3-51)",
"STARTING ENGINE (PAGE 3-70)", "OPERATIONS AND CHECKS AFTER STARTING ENGINE (PAGE 3-74)", and "PRECAUTIONS
WHEN TRAVELING UP OR DOWNHILLS (PAGE 3-121)" in the OPERATION section.
Wear on pins and bushings of the undercarriage will vary with working conditions and type of soil, so inspect the
track tension every now and then in order to maintain the standard tension.
For carrying out inspection and adjustment of track shoes, park the machine on the flat and solid ground.
CHECKING
1.
Runthe engineat low idle, then move the machine forward for
adistanceequalto thetracklengthon ground,and slowlystop
the machine.
2.
Put on the track shoe straight wooden bar (3) which stretches
from idler (1) to upper carrier roller (2).
3.
Measure the maximum deflection between bottom surface of
the wooden bar and top surface of the track shoe.
Deflection "a" should be 10 - 30 mm (0.4 - 1.2 in).
If the track tension is not at the standard value, adjust it in the following manner.
4 - 32
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