ASSEMBLE - TM-5-1940-277-34

CYLINDER HEAD ASSEMBLY INSPECTION AND REPAIR INSTRUCTIONS (Continued) - TM-5-1940-277-34_307

CYLINDER HEAD ASSEMBLY INSPECTION AND REPAIR INSTRUCTIONS (Continued) - TM-5-1940-277-34_309

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 cylinder head if warped or cracked. 6. All other Replace if worn components: or damaged. spring seat (7), spring retainer (5), split collets (4), and valve stem cap (3) ASSEMBLE: 7. Cylinder head a. Valve Install to Use valve guide (1) guide (9) correct depth installer. See and protrusion figure protru- in head (see sion for dimen- figure). sions. b. Valve a. Press into Use valve seat seat (10) head. installer. Install with chamfer (beveled) edge away from combustion chamber. b. Cut seat Use valve seat (30°) to grinding kit. give maximum valve protru- sion 0.034 in. (0.86 mm) above head. 2-287

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