CRANKSHAFT AND SEALS.

TM 55-1930-208-24

4-15. CRANKSHAFT AND SEALS.

This task covers:

a. Removal

b. Cleaning

c. Inspection

d. Repair

e. Installation

INITIAL SET-UP:

Tools Required:

Tool Kit, General Mechanics (Item 1, Appendix B)

Wrench, Torque (Item 71, Appendix B)

Materials Required:

Cloth, Crocus (Item 5, Appendix C)

Cloth, Emery (Item 7, Appendix C)

Oil, Fuel (Item 9, Appendix C)

Equipment Conditions:

Cylinder head removed (paragraph 3-38).

Main bearing caps removed (paragraph 4-13).

Crankshaft front cover removed (paragraph 4-14).

a. Removal. (Refer to figure 4-47).

(1) Refer to paragraph 3-38 and remove the cylnder head.

(2) Refer to paragraph 3-44 and remove the flywheel.

(3) Refer to paragraph 4-14 and remove crankshaft front cover.

(4) Refer to paragraph 3-37 and remove the oil pan.

(5) Refer to paragraph 4-13 and remove main bearing caps.

(6) Remove four connecting rod nuts and caps. Push pistons into cylinders as far as they will go.

(7) Remove crankshaft (1) from the cylinder block.

(8) Remove six bolts (2) and six lockwashers (3) securing gear (4) to the crankshaft (1).

(9) Provide a base for the puller screw by placing a steel plate across the cavity on end of the crankshaft. Use a

suitable puller and remove gear (4).

4-62