TM 9-2320-260-34-1
3-7. FAN HUB REPAIR
THIS TASK COVERS:
a. Disassembly
c. Assembly
b. Cleaning and Inspection
INITIAL SETUP
APPLICABLE MODELS
MATERIALS/PARTS (Contd)
All
Lubricating oil (Appendix C, Item 21)
Antiseize tape (Appendix C, Item 50)
TOOLS
REFERENCES (TM)
General mechanic's tool kit
TM 9-2320-260-20
(Appendix B, Item 1)
TM 9-2320-260-34P-1
Bearing remover/replacer
(Appendix B, Item 83)
EQUIPMENT CONDITION
MATERIALS/PARTS
Fan bracket removed (TM 9-2320-260-20).
Cotter pin (Appendix D, Item 29)
GENERAL SAFETY INSTRUCTIONS
Seal (Appendix D, Item 440.1)
Use care when removing fan blade.
Gasket (Appendix D, Item 58.1)
GAA grease (Appendix C, Item 14)
1.
Remove cotter pin (6), nut (5), and key washer (4) from hub pulley (3) and fan bracket (1). Discard
cotter pin (6).
2. Remove hub pulley (3) from fan bracket (1).
3. Remove seal (2) from hub pulley (3). Discard seal (2),
4. Using bearing puller, remove outer bearing (9) and race (10) from hub pulley (3).
5. Using bearing puller, remove inner bearing (12) and race (11) from hub pulley (3).
6. Remove two plugs (8) from hub pulley (3).
1. For general cleaning instructions, refer to para. 2-8.
2. For general inspection instructions, refer to para. 2-9.
3. Inspect bracket shaft (7) for nicks, burrs, breaks, and wear. Refer to table 3-2, Bracket Shaft Wear
Limits, for measurements. Replace fan bracket (1) if damaged or worn.
