Retract Chain Pulley Installation

TM 10-3930-673-20-2

18-22. BOOM CHAIN PULLEYS REPLACEMENT (CONT)

(3)

Remove screw (6) and lockwasher (7) from

pulley pin (8). Discard lockwasher.

NOTE

Middle screw in Step (4) below must be

removed to remove pulley pin in Step (5).

(4)

Remove middle screw (9) and lockwasher

(10) from boom (1). Discard lockwasher.

TR00001

(5)

Remove pulley pin (8) from boom (1).

(6)

Remove chain pulley (11) and two bushings

(12) from boom (1).

(7)

Remove grease fitting (13) from pulley pin

(8).

b. Retract Chain Pulley Installation.

(1)

Install grease fitting (13) in pulley pin (8).

(2)

Position chain pulley (11), two bushings (12),

and pulley pin (8) on boom (1).

(3)

Install pulley pin (8) in boom (1).

TR00689

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.

(a)

Apply sealing compound to threads of screw (9).

(b)

Install pulley pin (8) in boom (1) with lockwasher (7) and screw (6).

(4)

Install lockwasher (10) and middle screw (9) in boom (1).

18-114