BOOM ASSEMBLY REPLACEMENT - CONTINUED
INSTALLATION - CONTINUED
To prevent damage to lines and electrical cable during step 3, place wood boards between underside of outer
boom section and slings.
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.
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.
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.
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
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