Start engine (TM 10-3930-673-10) and raise
boom assembly (6) as necessary to access
hoses (14 through 16). Stop engine.
Ensure that hoses disconnected at front of
boom assembly during removal of
attachment and attachment cylinder are
closed securely using metal plugs.
Hydraulic oil under pressure can spray
from hoses causing bodily injury if hoses
are not closed securely.
Tag, mark, disconnect hoses (14 through 16)
from fittings (17 through 19) at underside of
boom assembly (6). Plug three hoses with metal caps.
Start engine (TM 10-3930-673-10). Lower
boom assembly (6) until pivot pins (20) are
just above cab. Stop engine.
Boom assembly weighs 4100 lbs (1860
kg). Attach suitable lifting device prior to
removal to prevent possible injury to
Support boom assembly (6) with hoist and
slings or other suitable lifting device
positioned at front of boom assembly.
Place wood block across vehicle deck behind
cab to support boom hoist cylinders (21)
when cylinders are lowered.
(10) Remove locknut (22) and screw (23) from
pivot pin (20). discard locknut
(11) Support boom hoist cylinder (21). Remove pivot pin (20) from boom assembly (6) and boom hoist cylinder