Rear Wheel Hub (Optional 3WD)
g293602
Figure 125
1.
Dust plug
5.
Thrust bearing (2 each)
9.
Drive stud (4 each)
2.
O-ring
6.
Roller clutch (3 each)
10.
Wave washer
3.
Retaining ring
7.
Hub
11.
Lip seal
4.
Thrust washer (4 each)
8.
Grease fitting
Removing and Installing the Rear Wheel Hub
1. Remove the rear wheel; refer to
Removing and Installing the Wheels (page
.
2. Remove the dust plug from the hub assembly. Inspect the dust plug O-ring
and replace as necessary.
3. Remove the retaining ring and twist the hub assembly off the shaft in a
counterclockwise (forward) direction.
4. Install the rear wheel hub in the reverse order.
5. When properly installed, the hub should rotate freely in the counterclockwise
(forward) direction, and engage with the rear wheel gear box shaft when
rotated in the clockwise (reverse) direction.
6. Grease the hub fitting with high temperature grease (Mobil XHP-222 or
equivalent) before returning the machine to service.
Servicing the Rear Wheel Hub
1. Remove the inner lip seal, thrust washers, thrust bearings, and wave washer
from the hub assembly.
2. Clean and inspect all of the hub components and replace then as necessary.
3. If bearing replacement is necessary:
IMPORTANT
The roller clutches are designed to roll in one direction and lock
in the other (unidirectional). Pay attention to the roller clutch
orientation when replacing the roller clutches. The roller clutches
must be installed with the white roller cage of the roller clutch toward
the inside (lip seal) of the hub.
Greensmaster® eTriFlex 3360 and 3370
Page 6–17
Chassis: Service and Repairs
19239SL Rev B
