Section III ENGINE ACCESSORIES REPAIR
NOTE
Repair of the mass ring and coupler, vibration damper
(viscous) and transmission trunnion caps is direct
support maintenance.
MASS RING AND COUPLER REPAIR
REMOVAL
A
B
E
F
NOTE
Ring (5), cover (6) and seal (7) are only the optional
coupler. Other coupler is built with a solid backplate. If
coupler has a solid backplate, do not do step E.
Seperate engine from transmission (p 3-4).
Remove 12 screws (1).
NOTE
If rear surface of coupler is oil soaked, or if springs or
washers are broken or coupler plate is distorted, replace
coupler.
C. Remove mass ring (2) and coupler (3).
D. Remove and discard seal (4).
Remove ring (5), cover (6), seal (7), and gasket (8).
Discard seal (7) and gasket (8).
3-11
Change 4
TM 9-2350-267-34
