INSPECTION AND REPAIR (cont) - TM-5-1940-277-34

CYLINDER HEAD ASSEMBLY INSPECTION AND REPAIR INSTRUCTIONS (Continued) - TM-5-1940-277-34_303

CYLINDER HEAD ASSEMBLY INSPECTION AND REPAIR INSTRUCTIONS (Continued) - TM-5-1940-277-34_305

TM-5-1940-277-34 Boat Bridge Erection Twin Jet Aluminum Hull Model USCSBMK1 (1940-01-105-5728) Manual
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TM 5-1940-277-34 CYLINDER HEAD ASSEMBLY INSPECTION AND REPAIR INSTRUCTIONS (Continued) LOCATION ITEM ACTION REMARKS c. Replace guide See removal step if worn. 1k. b. Valve seat a. Inspect for: inserts (10) Excessive car- bon build-up, Pitting, Cracks, Seat angle greater than 30°, and Looseness. b. Recut seats Use valve seat which are grinding kit. pitted or burned. c. Replace See removal step defective 1k. insert. 3. Valve (8) Valve (8) a. Inspect face for: Pitting, Distortion (warpage), Ridging, Cracks, and Excessive carbon build-up. b. Inspect stem for Scuffing, Scratches. 2-283

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