Cleaning. - TM-55-1930-208-240151

TM 55-1930-208-24

3-30. CRANKSHAFT PULLEY AND DAMPER - Continued

b. Cleaning.

WARNING

Do not breathe cleaning solvent P-D-680 vapors for long periods of time or use solvent near open flames.

To avoid illness, explosion, or fire, only use solvent in well-ventilated areas away from open flames.

(1) Clean all parts in cleaning solvent (item 4, Appendix C).

(2) Wipe off excess and dry all parts thoroughly.

c. Inspection.

(1) Inspect pulley for cracks and burring in keyways.

(2) Inspect damper for separation of rubber and metal. Check that rubber is not deteriorated and that metal plates

are not bent.

(3) Inspect cones and hub for cracks and burring.

(4) Check for missing or damaged hardware.

(5) Inspect the end of the crankshaft for cracks and burring.

d. Installation.

(1) Coat the lip of the oil seal in the front cover with lubricating oil.

(2) Slide the inner cone (10) onto the crankshaft.

(3) Assemble hub (9) to damper (7) and secure with six lockwashers (6) and six bolts (5).

(4) Slide assembled damper onto the crankshaft.

(5) Install outer cone (8), two keys (4), and pulley (3). Secure pulley with flat washer (2) and bolt (1). Torque to 180

lb-ft (244 Nm).

(6) Strike the end of bolt (1) a sharp blow with a 2 to 3 pound lead hammer, then torque the bolt to 300 lb-ft (407

Nm).

(7) Strike the bolt again with the hammer.

(8) Torque the bolt to 290-310 lb-ft (393-421 Nm).

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