INSTALLATION - CONTINUED -832450316

TM 10-3930-660-24-2

BOOM ASSEMBLY REPLACEMENT - CONTINUED

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INSTALLATION - CONTINUED

CAUTION

To prevent damage to lines and electrical cable during step 3, place wood boards between underside of outer

boom section and slings.

NOTE

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

hoses clean and dry.

Center of gravity for boom assembly is approximately 9 ft (2.7 m) from rear end of boom assembly.

WARNING

Use caution when handling heavy parts. Provide adequate support and use assistance during procedure.

Ensure that any lifting device used is in good condition and of suitable load capacity. Keep clear of heavy

parts supported only by lifting device. Failure to follow this warning may cause injury or death.

NOTE

Weight of boom assembly including boom extend cylinder is approximately 10,000 lb (4535 kg).

Carefully lift boom assembly (8) into position over

vehicle with hoist and sling or other suitable lifting

device. Lower boom assembly (8) as required to align

boom pivot pin holes.

NOTE

Apply antiseize compound to boom pivot

pin as installed.

Position shims (19) between outer boom section and

inside surface of vehicle frame. Install boom pivot pin

(16).

Secure boom pivot pin (16) to vehicle frame with cap-

screw (17) and new locknut (18).

Repeat steps 4 and 5 for other pivot pin (16).

Place jackstand or support on front of vehicle deck.

Adjust support so boom assembly (8) is level when

lowered.

14,15

409-1399

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