16-18. BOOM EXTEND CYLINDER REPLACEMENT/REPAIR (CONT)
Boom extend cylinder weighs 600 lbs
(272.4 kg). Attach suitable lifting device
prior to removal or installation to prevent
possible injury to personnel.
Raise boom extend cylinder as needed
with hoist and sling during removal to
provide clearance over obstructions at
rear of boom.
Use a hoist and sling to pull boom extend
cylinder (2) out, with extend cylinder
Reposition hoist and sling as needed during removal of boom extend cylinder.
Remove boom extend cylinder (2) with extend cylinder anchor (14) as an assembly from boom (7).
Use care when removing snap and retaining rings. Snap and retaining rings are under spring tension
and can act as projectiles when released and could cause severe eye injury.
Remove cylinder from sling with care to prevent part damage.
Remove two snap rings (15) and shaft (16). Remove extend cylinder anchor (14) from boom extend cylinder
Remove two screws (19), nuts (18), and buckling braces (20 and 22) from boom extend cylinder (2).
Remove two screws (21) and wear pad (17) from buckling brace (20).