TM 5-4310-379-14
4-20. Flywheel Housing Assembly (Cont).
b.
Repair. (figure 4-21)
(1)
Remove flywheel housing assembly, see para. a. above.
WARNING
Dry cleaning solvent PD-680 used to clean parts is potentially dangerous to personnel and property. Avoid
repeated and prolonged skin contact. Do not use near open flame or excessive heat. Flash point of
solvent is 100-138°F (38-60°C).
(2)
Clean flywheel housing assembly (1) with dry cleaning solvent and dry thoroughly.
(3)
Inspect flywheel housing (1) and repair minor cracks by welding. Replace a flywheel housing (1) that is
excessively cracked or otherwise damaged.
(4)
Inspect plug (2) and replace if missing or otherwise damaged.
(5)
Inspect oil seal (3) and replace if ripped, torn, or otherwise damaged. Replace oil seal as follows:
(a)
Support rear face of flywheel housing assembly (1) on two blocks of wood.
(b)
Drive the oil seal out of flywheel housing assembly (1), and clean seal bore.
(c)
Turn flywheel housing assembly (1) over.
NOTE
There is a plastic coating on the outside diameter of the current oil seal, do not remove this coating. Apply
a non-hardening sealer to the outside diameter of the oil seal if one is not already present.
(d)
Position oil seal (3) with lip pointed toward inner face straight into bore in flywheel housing assembly
(1).
(e)
Using oil seal installer and handle, install oil seal (3) until seated against shoulder in bore.
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