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TM  9-2815-202-34 5-37. CYLINDER HEAD REPAIR (Cont) CAUTION Do not use fuel oil to clean cam followers. It will wash away lubricating oil and cause scoring of cam roller bushing at startup. (b) (c) (d) Wash cam followers with engine oil and wipe dry. Examine cam follower rollers for pitting, scoring, and flat spots. Rollers (90) must turn freely on their pins (91). Using a dial indicator and holding fixture, measure total diametric clearance on cam follower roller. Secure cam follower assembly in a vise or other holding device and place dial indicator needle against outside diameter of roller. Obtain total clearance by moving roller in crosswise direction. Maximum clearance is 0.010 inch. Using a feeler gage, measure  side clearance on cam  follower. Insert gage between end of roller and leg of cam follower body. Side clearance must be 0.015 to 0.023 inch. (e) If necessary, install new cam follower rollers and pins as follows: 1. Clamp cam follower holding fixture (92) in a vise and place cam follower in groove at top of assembly with cam follower pin resting on top of small plunger in holding assembly. 5-50 C  h  a  n  g  e       1


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