Service Manual

10.Inspect countershaft:
A. Inspect countershaft for wear or damage. If O.D.
of inner portion is less than 1.100” (27.95 mm) or 71T
gear portion is less than 1.179” (29.95 mm), replace
the countershaft.
B. Inspect the gear contact condition of the bevel
gear
.
11. Inspect differential:
A. Inspect pinion shaft for excessive wear or dam -
age. If O.D. is less than .707” (17.95 mm), replace
the pinion shaft.
B. Measure thickness of pinion shaft washers. If
thickness
is less than .035” (0.9 mm), replace the
washers.
C. Measure thickness of side gear thrust washers. If
thickness is less than .043” (1.1 mm), replace the
thrust washers.
D. Inspect the gear contact condition of the ring
gear
.
E. Inspect differential case for wear in side gears
a
nd pinion shaft mating area. Replace the case if ma-
chined surfaces are scored or if the pinion shaft fits
loosely in the bore.
71 TOOTH GEAR
INNER PORTION
Figure 63
THRUST
PINION SHAFT
WASHERS (2)
WASHERS (2)
Figure 64
Multi Pro 1200/1250 Page 7 – 41 Drive T
rain
Drive Train