OUTER BOOM REPLACEMENT/REPAIR - continued

TM 10-3930-673-34

16-14. OUTER BOOM REPLACEMENT/REPAIR (CONT)

(12) Place jackstand or support on front of

vehicle deck. Adjust support so that outer

boom (1) will be level when lowered.

(13) Carefully lower outer boom (1) with hoist

and sling until front of boom is on jackstand

or support.

NOTE

Install a bolt and nut to top-front of outer

673-079

boom. Install one hook to bolt and other

two hooks to top-rear of outer boom.

(14) Position hoist and slings to outer boom (1) at

three places. Carefully raise outer boom until

weight of boom is removed from boom pivot

pins (19).

(15) Remove screw (17) and locknut (18) from

boom pivot pin (19). Discard lockout.

NOTE

Shims, if equipped, may fall out as pivot pins are removed.

Note quantity and position of shims for use during installation

(16) Remove boom pivot pin (19) from outer boom (1) and vehicle frame.

(17) Remove shims (20) from between outer boom (1) and vehicle frame.

(18) Repeat Steps (15) through (17) for remaining boom pivot pin (19).

CAUTION

Ensure that hydraulic tubes on underside of outer boom section are not damaged when boom assembly

is lowered onto supports.

16-80

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