Extend Chain Pulley Installation

TM 10-3930-673-20-2

18-22. BOOM CHAIN PULLEYS REPLACEMENT (CONT)

(3)

Remove screw (19) and lockwasher (20) from

pulley pin (21). Discard lockwasher.

(4)

Support chain pulley (22) and remove pulley

pin (21).

(5)

Remove chain pulley (22) and two bushings

(23) from boom (1).

(6)

Remove grease fitting (24).

TR00001

d. Extend Chain Pulley Installation.

(1)

Install grease fitting (24).

(2)

Install two bushings (23) and chain pulley

(22) in boom (1).

(a)

Position chain pulley (22) and two

bushings (23) in boom (1).

(b)

Install pulley pin (21) in boom (1) and

pulley (22).

WARNING

Adhesives, solvents, and sealing

compounds can burn easily, can give off

harmful vapors, and are harmful to skin

and clothing. To avoid injury or death,

keep away from open fire and use in a

well-ventilated area. If adhesive, solvent,

or sealing compound gets on skin or

clothing, wash immediately with soap and

water.

(c)

Apply sealing compound to threads of screw (19).

(d)

Install pulley pin (21) in pulley (22) and boom (1) with lockwasher (20) and screw (19).

(3)

Check/adjust chain adjustment (Para 18-23).

END OF TASK

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