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TM 9-2350-287-34
3-3. MASS RING AND FLEXIBLE COUPLING REPLACEMENT (continued)
c.
INSTALLATION
1.
Apply silicone lubricant to new preformed packing (3) and groove of flexible coupling (2).
2.
Install preformed packing (3) on flexible coupling (2).
WARNING
Adhesive causes immediate bonding on contact with eyes, skin, or clothing and also
gives off harmful vapors. Wear protective goggles and use in a well-ventilated area.
If adhesive gets in eyes, try to keep eyes open; flush with water for 15 minutes and get
immediate medical attention.
3.
Apply adhesive to splines of flexible coupling (2).
4.
Install flexible coupling (2) and mass ring (4) on flywheel (1).
5.
Check for clearance of 0.010 to 0.015 inch between mass ring (4) and engine (6). If clearance exceeds 0.015
inch, adjust high points as necessary.
6.
Secure mass ring (4) and flexible coupling (2) to flywheel(1) with 12 screws (5). Torque screws between 40
and 50 ft-lb (54 and 68 N•m).
FOLLOW-ON MAINTENANCE:
l Install engine assembly (para 3-2).
3-4. VIBRATION DAMPER REPLACEMENT.
This Task Covers:
a. Removal
b. Installation
Initial Setup:
Tools/Test Equipment:
Materials/Parts:
Deadblow hammer (Item 9, Appendix D)
LockWasher (6) (Item 56, Appendix H)
General mechanic’s tool kit
Vibration damper cone (Item 133, Appendix H)
(Item 19, Appendix D)
Socket wrench set, 1-inch drive, 2 9/16 inch
Personnel Required: Two
(Item 38, Appendix D)
Socket, 3/4-inch drive, 1 1/2 inch (Item 39,
Equipment Conditions:
Appendix D)
PowerPack placed on blocks.
Torque wrench, 0-600 ft-lb (Item 45,
Appendix D)
3-7
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