TM 9-2320-387-24-l
1 3-80. FAN DRIVE AND FAN BLADE MAINTENANCE
This task covers:
a. Removal
b. Inspection
c. Installation
INITIAL SETUP:
Tools
hlanual References
General mechanics tool kit:
TM 9-2320-387-24P
automotive (Appendix B, Item 1)
Equipment
Condition
Special Tools
Radiator and shroud removed (optional)
Hex-head driver, 8 mm (Appendix B, Item 145)
(para. 3-62).
hlaterialearts
nlaintenance Level
Four lockwashers (Appendix G, Item 206)
Unit
Sealing compound (Appendix C, Item 62)
p7iKq
NOTE
l Mark position of fan blade for installation.
l It may be necessary to apply compressed air to clutch adapter to
disengage fan drive clutch, allowing access to socket-head screws.
1.
Using hex-head driver, remove four socket-head screws (1) and fan drive assembly (31 from water
pump pulley (2).
2.
Remove four nuts (51, lockwashers (61, and fan blade (7) from fan drive (8). Discard lockwashers (6).
Inspect clutch adapter (4) and fan blade (7) for damaged threads, cracks, bent blades, or breaks. Replace
if defective.
c. Installation
1.
Align fan blade (7) on fan drive (8) and install four lockwashers
(6) and nuts (5). Tighten nuts to
26 lb-ft (35 N-m).
2.
Apply sealing compound to four socket-head screws (1) and install fan drive assembly (3) on water
pump pulley (2) with socket-head screws (1). Tighten socket-head
screws (1) to 45 lb-ft (61 Nom).
3-140