TM 5-4310-393-14a.Install new cover (Figure 5-51, Item 12)b.Apply lubricating oil to the threads of two socket head cap screws (Figure 5-51, Item 14) and contactsurface of counterweight (13). Install counterweight and two socket head cap screws. Torque socket head cap screws to16 Ib.-ft (22 Nm)CAUTIONHandling heated parts can cause severe burns. Use proper equipment to handleheated partsc.Using an oven, heat the inner races of roller bearings (15 and 16) to 160F to 175F (70C to 80C) andpress them onto crankshaft (1).d.Install retaining ring (4) into roller bearing outer race (5) and press bearing race into crankcase until t comesto a stop at the retaining ring.e.Push roller bearing outer race (3) onto crankshaft (1).f.Install crankcase end play mounting device 666 074 00 on crankshaftCAUTIONHandling heated parts can cause severe burns. Use proper equipment to handleheated partsg.Using an oven, heat crankcase (1) to 175F 210F (80C 100C).h.Push in crankshaft (1) and crankcase end play mounting device 66607400 until mounting device stops.Allow crankcase to cool. Remove mounting devicei.Using an oven, heat ball hub disc (6), ball hub (7) and spacer (8) to 175F to 210F (80C 100C).j.Install spacer (8), ball hub (7) and ball hub disc (6) onto crankshaft using ball hub Impact mandrel66606700.NOTEBall (9), ball shell (10), and sliding disc (11) are governor components. Refer toparagraph 5-6.9 for instructions on installation of these parts.5-49
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