TM 3-4230-218-30&P
2-7.
CENTRIFUGAL FAN.
This task consists of:
a.
Replace
b.
Repair
INITIAL SETUP:
Tools Required:
Tool Kit from Accessory Box
Tool Kit, General Mechanics
Flywheel Puller and Extender Nuts
Extractor Fan
Torque Wrench
Socket Set, Metric
Socket Adapter
Materials Required:
Brush, Varnish (item 1, Appendix C).
Cleaning Solvent (item 5, Appendix C).
Equipment Conditions:
Engine shutdown and cool.
Engine and fan assembly removed (page 2-22).
a.
Removal.
(1)
(2)
(3)
(4)
(5)
(6)
Remove nut (10), washer (11), loosen set screws and remove
belt drive (13).
Remove three screws (15) and drive assembly (14).
Remove nut (8) and flat washer (7).
Use fan extractor, remove the impeller (fan assembly) from
the clutch shaft (1).
Remove key (9) and flange (2).
Remove eight nuts (4), eight screws (6), and hub (5) from
impeller (3).
b.
Cleaning.
WARNING
The cleaning solvent used emits strong vapors and is flammable.
To avoid
illness or fire, use in a well-ventilated area and away from open flames. DO
NOT breathe vapors for a prolonged time.
2-26
