Service Manual

Rev. D
Reelmaster 5200-D/5400-DPage 3 - 22Kubota Diesel Engines
Fan Drive Hub
Disassembly (Fig. 34)
1. Secure pulley and fan to prevent them 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.
Note: The fan clutch and fan shaft have left hand
threads.
4. If necessary, disassemble pulley and fan assembly
using Figure 34 as a guide.
Assembly (Fig. 34)
1. If pulley and fan were disassembled, secure fan to
fan clutch with cap screws and lock washers. Apply Loc-
tite thread locker 242 (or equivalent) to threads of fan
shaft. Thread fan shaft into fan clutch and torque from
80 to 100 ft−lbs. (108 to 136 N−m).
2. Press first bearing into fan drive hub until it contacts
shoulder in hub.
3. Place bearing spacer into fan drive hub.
4. 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.
5. Make sure that pulley and thrust washer are installed
on fan shaft.
6. While supporting inner bearing race, press pulley
and fan assembly into bearing bores.
7. Apply Loctite thread locker 242 (or equivalent) to
threads of shaft screw. Secure assembly with flat wash-
er and shaft screw.
Figure 34
1. Fan clutch
2. Fan
3. Fan shaft
4. Grooved pin (2 used)
5. Pulley
6. Thrust washer
7. Bearing
8. Bearing spacer
9. Fan drive hub
10. Grease fitting
11. Flat washer
12. Shaft screw
13. Cap screw (4 used)
14. Lock washer (4 used)
14
13
1
2
3
4
5
6
7
8
10
11
7
9
12
80 to 100 ft−lb
(108 to 136 N−m)
Loctite #242
Loctite #242