TM 5-4320-300-146-9. VALVES, CAMSHAFT, AND TIMING GEARS (CONT)Location/ItemActionRemarks49. Idler gearPlace inner thrustinner thruston forward end ofwasheridler gear hub withthe inner diameterflat over the gear hubend flat, and with oilgrooves in thrustwasher facing the idlergear.50. HubPlace protruding endof idler gear hubthrough the endplate, and into counter-bore in cylinder block.51. MountingInsert two 3/8-16 boltsboltthrough hub as shownand thread them intothe cylinder block. In-sert mounting boltthrough center of huband thread it into thecylinder block. Torquebolt to 40 to 45 ft lb(54 to 61 N.m). Thenremove the two 3/8-16bolts previously installedfor alignment of hub.52. Idler gearLubricate hub and bearingwith clean MIL-L-2104oil. Position crankshaftgear so that the timingmarks will align with thoseon the idler gear. Installidler gear with timingmarks alined.6-73
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