REMOVAL - TM-5-1940-277-34

ASSEMBLY (cont) - TM-5-1940-277-34_463

PISTON AND CONNECTING ROD ASSEMBLY REPLACEMENT INSTRUCTIONS (Continued) - TM-5-1940-277-34_465

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 PISTON AND CONNECTING ROD ASSEMBLY REPLACEMENT INSTRUCTIONS (Continued) LOCATION ITEM ACTION REMARKS REMOVAL: 1. Cylinder Crankshaft Turn crankshaft Use 15/16 in block (1) pulley nut (2) to position socket and 1/2 in piston at bot- drive handle. tom dead center. 2. Crankshaft (3) a. Connecting a. Loosen bolts. Use 5/8 in soc- rod bearing ket, 6 in exten- cap bolts (4) sion and 3/8 in drive ratchet. b. Tap bolts Use non-metallic lightly to hammer. release con- necting rod cap (6). c. Remove bolts. b. Bearing cap Remove lower (6) and bearing half. lower bearing half (7) c. Piston and Push assembly out connecting of cylinder bore rod assembly (9). (8) d. Bearing cap Reassemble to Finger tight. (6), lower connecting rod. bearing half (7) and bolts (4) NOTE Repeat steps 2a - 2d for each piston removed. 3-31

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