Service Manual
16 ZT-4400
RefertoFigure8
1. Remove the locknut (139).
2. Remove the fan (138).
3. Removethepulley(136).
4. Remove the pulley hub (137).
Assembly
1. Reassemble all parts in the reverse order
of disassembly.
2. When tightening the lock nut (139), refer to
the table on page 15 for the required torque
values.
Figure 8, Fan and Hub
FAN AND PULLEY
RefertoFigure8
1. Remove the axle cap and discard (122).
2. Remove the cotter pin and discard (121).
3. Remove the castle nut (120) and washer
(123).
4. Remove the taper hub assembly (118) and
discard.
NOTE: A new hub will have to be ordered
to replace the discarded hub.
5. Remove the axle shaft key (110).
Inspection
1. Check all components for excessive wear
or damage. Replace if necessary.
Assembly
1. Reassemble all parts in the reverse order
of disassembly.
2. When tightening the castle nut (120)*, re-
fer to the table on page 15 for the required
torque values.
NOTE: Asageneralrule,usethelowendofthe
torquespecication.Onceatthespeci-
edtorque,rotatecastlenutclockwise
toalignwithnearestcotterpinhole.
*SEE PAGE 37 FOR ALTERNATE
TORQUE METHOD.
AXLE HUB ASSEMBLY
118
117
123
121
120
122
137
136
138
139