|
| |
TM 5-2420-222-34
3-18.
TIMING GEAR COVER MAINTENANCE (Con’t).
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-590C). 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.
Clean access covers and timing gear cover with dry cleaning solvent and rags. Dry thoroughly with clean, dry
rags.
2.
Inspect access covers and timing gear cover for cracks, breaks, abnormal bends, or damaged threads. Replace
defective parts.
3.
Restore damaged threads using screw threading set.
d.
ASSEMBLY
CAUTION
When Installing seal, do not press against timing gear cover with excessive force.
Timing gear cover Is made of aluminum and excessive force may damage it.
1.
Support seal bore area of timing gear cover (11) with wood blocks.
2.
Coat outside edge of new seal (23) with sealing compound. Position seal in seal bore of timing gear cover (11)
with spring-loaded lip facing rearward.
3.
Using remover and installer and hammer, tap seal (23) in place in timing gear cover (11).
4.
Position access cover (13) and new gasket (22) in place on timing gear cover (11). Install three screws (20) and
new lockwashers (21) in access cover and timing gear cover.
5.
Position access cover (17) and new gasket (16) in place on timing gear cover (11). Install two screws (19) and
new lockwashers (18) in access cover and timing gear cover.
3-106
|
