user manual

Groundsmaster 4100--DPage 6 -- 18Axles, Planetaries and Brakes
5. Remove the knuckle pin mounting screws and the
knucklepin.Removethegasketandanyremaininggas-
ket material from either mating surface ( Fig. 18).
6. Whileholdingthebevelgearcase,taptheupperend
of the bevel gear shaft out of the upper bearing and up-
per bevel gear.
7. Pull the bevel gear case from the axle case and re-
move the upper bevel gear and collar from the gear
case.
8. Remove the axle case cover screws, cover and the
O-ring from the axle case.
9. Removetheplugandsealingwasherfromthecenter
of theaxle casecover. While holdingthe axle casecov-
er,lightly tapthe lowerendof thebevelgearshaftoutof
the lower bearing and lower bevel gear.
10.Remove anddiscardbevel gearshaft sealfrom axle
case (Fig. 18).
1. Knuckle pin
2. Mounting screw (4 used)
3. O--ring
4. Bevel gear case
5. Upper bearing
6. Bevel gear shaft
7. Collar
8. Upper bevel gear
9. Lower bevel gear
10. Lower bearing
11. Axle case
12. Axle case cover
13. O-ring
14. Shaft seal
15. Bushing
Figure 18
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3
4
5
6
7
8
9
10
11
12
13
14
15
17 to 20 ft--lb
(23to27N--m)
17 to 20 ft--lb
(23to27N--m)
Threadlocking
Compound
Bevel Gear Case and Axle Case Inspection
1. MeasuretheknucklepinO.D.andtheaxlec asesup-
port bushing I.D. to determine the bushing to pin clear-
ance (Fig. 19). Replace components as necessary.
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)
2. Inspectallgears,shafts,bearings,casesandcovers
for damage and wear. Replace components as neces-
sary.
1. Knuckle pin 2. Axle case support
Figure 19
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2