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TM 10-4320-342-24
4-4. STARTER-GENERATOR REPAIR
This task covers:
a. Disassembly
b. Cleaning
c. Inspection
d. Repair
e. Assembly
f. Test after Assembly
INITIAL SETUP
Tools
Materials/Parts
General Mechanics Tool Kit (App B, Sect III,
Lubricating Grease (App E, Item 11)
Item 1)
Sandpaper (App E, Item 12)
Bearing Puller (App B, Sect III, Item 3)
Chromate Primer (App E, Item 29)
Micrometer (App B, Sect III, Item 3)
Bearings (App E, Items 9 and 93)
Suitable Oven
Enamel, Red Insulating Baking (App E, Item 30)
Variable Speed Test Stand
Nuts, Self-Locking (App F, Items 26, 84, 91 and 111)
Dial Indicator
Lockwashers (App F, Items 94 and 112)
Masking Tape (App E, Item 35)
Materials/Parts
Coating Humiseal (App E, Item 21)
Cleaning Solvent (App E, Item 8)
Rags, Wiping (App E, Item 2)
Equipment Condition
Sealing Compound (App E, Item 23)
Starter-Generator removed (Para 2-45)
a.
DISASSEMBLY. Refer to Figure 4-3.
(1)
Remove clamp (1) and adapter (2).
(2)
Remove screws (3) and air inlet (4) from end bell (5).
(3)
Hold fan (6) and remove nut (7) and washer (8).
(4)
Remove fan (6) from drive shaft (9).
(5)
Tap drive shaft (9) out of drive end of starter-generator (10) using a soft face hammer. Remove friction ring (11)
and damper plate (12).
NOTE
Remove damper hub only if hub (13) or drive shaft (9) is damaged and replacement
is necessary.
(6)
Remove damper hub (13) from drive shaft (9).
CAUTION
Tape jaws of bearing puller to prevent damage to chamfered face of dampener
back plate during removal.
(7)
Carefully remove dampener back plate (14) from armature shaft (15).
4-6
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