BOOM ASSEMBLY REPLACEMENT - continued

TM 10-3930-673-34

(3)

Install screw (26) and locknut (25) in boom pivot pin (24). Repeat Steps (2) and (3) for remaining pivot pin

(24).

(4)

Place jackstand or support on front of vehicle deck. Adjust support so boom assembly (6) is level when

lowered.

(5)

Carefully lower boom assembly (6) with hoist and sling until front of outer boom section is on jackstand or

support.

(6)

Reposition slings to front of outer boom

section.

(7)

Lift boom assembly (6) until cylinder pivot

pin holes of boom assembly are just above

cab.

(8)

Lift hoist cylinders (21) into position and

support boom hoist cylinders with boom

assembly (6).

CAUTION

Use hoist and sling to make final

alignment with cylinder rod eye and pivot

pin hole. Do not use the joystick to make

final alignment; damage to rod eye

TR01367

bushing could result.

NOTE

One boom hoist cylinder will begin to extend before the other. Install this cylinder first. Second

cylinder will begin to extend after first cylinder is connected.

(9)

Start engine. Use joystick to extend boom hoist cylinder (21) until cylinder rod eye is aligned with pivot pin

hole of boom assembly (6). Stop engine.

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.

(10)

Apply anti-seize compound to pivot pin (20). Install pivot pin in boom hoist cylinder (21) and boom

assembly (6).

(11)

Install screw (23) and new locknut (22) in pivot pin (20).

(12)

Repeat Steps (9) through (11) for other boom hoist cylinder (21). Remove hoist, slings, nut and bolt from

boom assembly (6).

Change 1

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