Service Manual

Assembly of 5058 Series With
Bevel Gear Differential
18. Install the input shaft and gear assembly.
2B. Install
the 2nd and high shift rail and fork as-
sembly (the one with the unequally spaced detent
grooves) together with the 2nd and high sliding
gear (the smaller of
the two sliding gears). The
sliding gear fits down over the input shaft with
the shift fork groove up.
See Figure 21.
3B. Install one stop ball, spring and stop pin. See
drawing Figure 15.
4B. InstaII the 2nd stop ball and using a punch
push the ball in against the spring. Move the
2nd
& high shift rail into the neutral position and
continue to push on the punch until the ball
is
flush with the shift rail bore. At the same time
insert the low and reverse shift rail and fork as-
sembly together with the low and reverse sliding
gear, removing the punch as the shift rail passes
the ball. (See detent drawing Figure 15.) Note:
The low and reverse gear
fits down over the
input shaft with the shift fork groove down.
See
Figure 21.
FIGURE 21
5B. Install the splined pinion shaft gear down over
the input shaft gear and through the two sliding
gears.
bly in to 2nd speed position.
6B. Shift the 2nd and high shift rail and fork assem-
7B. Install the reverse idler gear shaft and gear
assembly making sure that
the shoulder of the
gear goes down.
8B. Install the brake shaft gear.
12B. Install a new case gasket holding
it in place with
13B. Install the six (6) x 16 bolts and nuts and
tighten all bolts evenly to avoid distortion.
14B. Install the shift lever assembly and retain with
the
set screw and lock nut. Install gear shift lever
rubber boot.
gasket sealer and install the left hand case.
15B. Check again for a free neutral and operation
in all ranges.
16B. Install the brake shaft Woodruff key and install
the brake drum. Install the brake drum retaining
snap ring.
17B. Install the brake band and secure with the two
retaining bolts.
DIFFERENTIAL OVERHAUL
STANDARD DIFFERENTIAL
Disassembly:
1. Remove the four (4) retaining bolts and nuts.
2. lift
off the differential side case together with
the axle shaft and gear.
3. Remove the axle shaft and gear from the case.
4. Remove the differential bull gear.
5. Note position of the four (4) pinions. Adjacent
pinions are installed in opposite directions, which
make the position of the diagonally opposite
pinions the same.
See Figure 1.
FIGURE 1
98. Install the cluster gear assembly.
10B. Install
the differential and axle assembly with remaining axle shaft and gear from the case.
6. Remove the pinions and shafts and remove the
the differential bolt heads down. This will place
the left hand differential case with the threaded 7.
The axle shaft gears may easily be removed by
bolt holes up. driving out the roll pins.
11B. Place shift forks in neutral position. Check for Figure 2
is an exploded view of the complete
a free neutral and proper operation in all ranges. standard differential assembly.