5.
knucklepin.Removethegasketandanyremaininggas-
ket material from either mating surface (Fig. 20).
Remove the knuckle pin mounting screws and the
2
1
3
6.
of the bevel gear shaft out of the upper bearing and up-
per bevel gear.
While holding the bevel gear case, tapthe upper end
17 to 20 ft--lb
23 to 27 N--m)
(
Thread--locking
Compound
4
7.
Pull the bevel gear case from the axle case and re-
move the upper bevel gear and collar from the gear
case.
5
14
8.
O-ring from the axle case.
Remove the axle case cover screws, cover and the
7
1
5
11
8
9.
Removetheplugandsealingwasherfromthecenter
of the axle case cover. While holding the axle case cov-
er, lightly tap the lower end of the bevel gear shaft out of
the lower bearing and lower bevel gear.
6
10.Remove
and discard bevel gear shaft seal from axle
case (Fig. 20).
13
12
9
10
17
(23
to 20 ft--lb
to 27 N--m)
Figure 20
1.
2.
3.
4.
5.
6.
7.
8.
Knuckle pin
Mounting screw (4 used)
O--ring
9. Lower bevel gear
10. Lower bearing
11. Axle case
12. Axle case cover
13. O-ring
14. Shaft seal
15. Bushing
Bevel gear case
Upper bearing
Bevel gear shaft
Collar
Upper bevel gear
Inspection
1.
port bushing I.D. to determine the bushing to pin clear-
ance (Fig. 21). Replace components as necessary.
MeasuretheknucklepinO.D.andtheaxlecasesup-
1
2
BUSHING TO PIN CLEARANCE:
0.002
to 0.016 in. (0.05 to 0.40 mm)
KNUCKLE PIN O.D. (Factory Spec.):
0.982
to 0.983 in. (24.95 to 24.98 mm)
AXLE CASE SUPPORT BUSHING I.D.
(Factory Spec.):
0.984
to 0.987 in. (25.00 to 25.08 mm)
Figure 21
2.
Inspect all gears, shafts, bearings, cases andcovers
1.
Knuckle pin
2. Axle case support
for damage and wear. Replace components as neces-
sary.
Groundsmaster 4000--D/4010--D
Page 6 -- 23
Axles, Planetaries and Brakes
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