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TM 5-2420-222-34
3-10.
FLYWHEEL HOUSING MAINTENANCE (Con’t).
b.
DISASSEMBLY
1.
Remove headless shoulder pin (8) and timing hole cover (7) from flywheel housing (2).
CAUTION
Do not remove plug and pins unless damaged. Removal may damage parts.
2.
Using ball-peen hammer and punch, drive plug (9) out of flywheel housing (2).
3.
Using plier wrench, remove two pins (6) from flywheel housing (2).
c.
CLEANING AND INSPECTION
WARNING
Dry cleaning solvent, P-D-680, is toxic and flammable. Always wear protective
goggles and gloves, and use only In a well-ventilated area. Avoid contact with
skin, eyes, and clothes, and DO NOT breathe vapors. DO NOT use near open
flame or excessive heat. The solvent's flash point is 100°F-138°F (38°C-59°C). If
you become dizzy while using cleaning solvent, immediately get fresh air and
medical help. If solvent contacts eyes, Immediately wash your eyes and get
medical aid.
1.
Using putty knife and dry cleaning solvent, remove gasket material from mounting surface of flywheel housing and
engine block.
2.
Clean all metal parts with dry cleaning solvent, then dry thoroughly with clean rags.
3.
Inspect flywheel housing, timing hole cover, and pins for cracks, bends, and breaks. Replace defective parts.
4.
Inspect threaded parts for damaged threads. Restore damaged threads using screw threading set.
d.
ASSEMBLY
1.
If removed, position two pins (6) and plug (9) in place in flywheel housing (2). Tap pins and plug in flywheel housing
until seated.
2.
Position timing hole cover (7) in place on flywheel housing (2) and install headless shoulder pin (8).
3-64
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