Fan Drive Hub - Toro Reelmaster 5500-D Service Manual

Fan Drive Hub

Disassembly
1. Secure pulley to prevent it from turning. Remove
shaft screw and flat washer.
2. Press pulley and fan assembly from fan drive hub.
3. Remove bearings and bearing spacer from fan drive
hub.
Assembly
1. Pressing equally on both inner and outer races,
install first bearing into fan drive hub until it contacts
shoulder in hub.
2. Place bearing spacer into fan drive hub.
3. Pressing equally on both inner and outer races of
second bearing, install second bearing until it contacts
shoulder in hub. Make sure that bearing spacer bore is
aligned with bearing bores.
4. While supporting inner bearing race, press pulley
into bearing bores.
5. Apply Loctite #242 (or equivalent) to threads of shaft
screw. Install flat washer and shaft screw. Torque screw
from 156 to 204 in−lbs (17.6 to 23.1 N−m).
Kubota Diesel Engine
7
1. Shaft screw
2. Flat washer
3. Bearing
4. Fan drive hub
Rev. C
Page 3 - 22
4
5
2
3
156 to 204 in−lb
(17.6 to 23.1 N−m)
6
Loctite #242
Figure 33
5. Bearing spacer
6. Pulley
7. Fan
Reelmaster 5500-D
1