BOOM EXTEND CYLINDER REPLACEMENT/REPAIR - continued

TM 10-3930-673-34

16-18. BOOM EXTEND CYLINDER REPLACEMENT/REPAIR (CONT)

WARNING

Boom extend cylinder weighs 600 lbs

(272.4 kg). Attach suitable lifting device

prior to removal or installation to prevent

possible injury to personnel.

NOTE

Raise boom extend cylinder as needed

with hoist and sling during removal to

provide clearance over obstructions at

rear of boom.

TR01766

(d)

Use a hoist and sling to pull boom extend

cylinder (2) out, with extend cylinder

anchor (14).

(e)

Reposition hoist and sling as needed during removal of boom extend cylinder.

(f)

Remove boom extend cylinder (2) with extend cylinder anchor (14) as an assembly from boom (7).

WARNING

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.

CAUTION

Remove cylinder from sling with care to prevent part damage.

(g)

Remove two snap rings (15) and shaft (16). Remove extend cylinder anchor (14) from boom extend cylinder

(2).

(h)

Remove two screws (19), nuts (18), and buckling braces (20 and 22) from boom extend cylinder (2).

(i)

Remove two screws (21) and wear pad (17) from buckling brace (20).

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