OUTER BOOM REPLACEMENT/REPAIR - continued

TM 10-3930-673-34

16-14. OUTER BOOM REPLACEMENT/REPAIR (CONT)

f. Installation.

NOTE

Remove caps and plugs as hoses are installed. Wipe all sealing surfaces on hydraulic components

and hoses clean and dry. Apply film of clean hydraulic oil to all seals as they are installed.

Center of gravity for boom assembly is approximately 8.5 ft (2.59 m) from rear end of boom

assembly.

Install a bolt and nut to top-front of outer boom. Install one hook to bolt and other two hooks to top-

rear of outer boom.

WARNING

Outer boom weighs 1952 lbs (885.41 kg). Attach suitable lifting device prior to removal or installation

to prevent possible injury to personnel.

(1)

Carefully lift outer boom (1) into position over vehicle with hoist and sling or other suitable lifting device.

Lower outer boom as required to align boom pivot pin holes.

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.

(2)

Position shims (20) between outer boom (1)

section and inside surface of vehicle frame.

Apply anti-seize compound on boom pivot

pin (19) and install pivot pin in outer boom

and vehicle frame.

(3)

Install screw (17) and locknut (18) in boom

pivot pin (19).

(4)

Repeat Steps (2) and (3) for remaining pivot

pin (19).

673-079

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