Toro 4100-D service manual Bevel Gear Case and Axle Case Inspection

Models: 4100-D

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5.Remove the knuckle pin mounting screws and the knuckle pin. Remove the gasket and any remaining gas- ket material from either mating surface (Fig. 18).

6.While holding the bevel gear case, tap the upper end 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.Remove the plug and sealing washer from the center 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.

10.Remove and discard bevel gear shaft seal from axle case (Fig. 18).

2

1

 

 

 

17 to 20 ft-lb

3

 

(23 to 27 N-m)

 

Threadlocking

4

 

Compound

 

 

5

 

 

7

14

 

 

 

8

15

11

 

 

6

 

 

9

13

12

10

17to 20 ft-lb (23 to 27 N-m)

Figure 18

1.

Knuckle pin

9.

Lower bevel gear

2.

Mounting screw (4 used)

10.

Lower bearing

3.

O-ring

11.

Axle case

4.

Bevel gear case

12.

Axle case cover

5.

Upper bearing

13.

O-ring

6.

Bevel gear shaft

14.

Shaft seal

7.

Collar

15.

Bushing

8.

Upper bevel gear

 

 

Bevel Gear Case and Axle Case Inspection

1.Measure the knuckle pin O.D. and the axle case sup- 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.Inspect all gears, shafts, bearings, cases and covers for damage and wear. Replace components as neces- sary.

1

2

 

Figure 19

1. Knuckle pin

2. Axle case support

Axles, Planetaries and Brakes

Page 6 -- 18

Groundsmaster 4100--D

Page 228
Image 228
Toro 4100-D service manual Bevel Gear Case and Axle Case Inspection