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Page Title:
VIBRATION DAMPER AND SEAL MAINTENANCE - continued |
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 TM 9-2320-361-24-1
0028 00
VIBRATION DAMPER AND SEAL MAINTENANCE (Contd)
REMOVAL
1.
Remove two screws (9), lockwashers (10), and lockplate (8) from vibration damper and pulley (6).
Discard lockwashers (10).
2.
Remove retainer bolt (7) and washer (1) from crankshaft (4) and vibration damper and pulley (6).
3.
Remove vibration damper and pulley (6) from crankshaft (4) and timing cover (5).
4.
Remove plug (2) from keyway (3) of crankshaft (4).
5.
Install retainer bolt (7) in end of crankshaft (4) and turn until key (3) position is approximately
12 o'clock. Remove retainer bolt (7).
6.
Using mechanical puller, remove oil seal (11) from timing cover (5). Discard oil seal (11).
CLEANING AND INSPECTION
1.
For general cleaning instructions, refer to WP 0021 00.
2.
Visually inspect vibration damper and pulley (6) for nicks, cracks, or damage. Replace vibration
damper and pulley (6) if damaged.
3.
Inspect exposed section of key (3) on crankshaft (4) for looseness or damage. Remove engine
4.
Hold rear half of vibration damper (6) on floor with your feet. Try to turn vibration damper and
pulley (6). Replace vibration damper and pulley (6) if loose.
5.
Inspect threads of two puller screw holes for damage. Fix minor thread damage with tap. Replace
vibration damper and pulley (6) if damaged beyond repair.
6.
Inspect lockplate (8) for cracks or damage. Replace lockplate (8) if cracked or damaged.
7.
Inspect rubber insert in vibration damper and pulley (6) for cracks. Replace vibration damper and
pulley (6) if cracked.
8.
Ensure rubber insert in vibration damper and pulley (6) has not pulled away from vibration
damper and pulley (6). Replace vibration damper and pulley (6) if damaged.
0028 00-2
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