Komatsu 4D98 Series Shop Manual page 132

9. Starfing Motor
(3) Pinion projection length
Connect the positive (+) lead from the bat-
tery to terminal S and negative (-) lead to
terminal M. Turn the switch ON and mea-
sure the pinion moving distance l in the
thrust direction.
Perform this test within 10 seconds.
Note:
Before measuring the dimension,
pull the pinion out lightly in the di-
rection of the arrow.
Fig. 29
If the measured k! dimension is outside the
standard range, either insert or remove the
dust cover (adjusting shim 0.5 mm, 0.8 mm)
for adjustment.
Dust cover
(adjusting shim:
0.5 mm, 0.8 mm)
Fig. 30
9-16