Section III ENGINE ACCESSORIES REPAIRNOTERepair of the mass ring and coupler, vibration damper(viscous) and transmission trunnion caps is directsupport maintenance.MASS RING AND COUPLER REPAIRREMOVALABEFNOTERing (5), cover (6) and seal (7) are only the optionalcoupler. Other coupler is built with a solid backplate. Ifcoupler has a solid backplate, do not do step E.Seperate engine from transmission (p 3-4).Remove 12 screws (1).NOTEIf rear surface of coupler is oil soaked, or if springs orwashers are broken or coupler plate is distorted, replacecoupler.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).3-11Change 4TM 9-2350-267-34
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