INNER BOOM REPLACEMENT/REPAIR - continued

TM 10-3930-673-34

16-12. INNER BOOM REPLACEMENT/REPAIR (CONT)

(27)

Using brass drift pin, remove pin (35)

to separate lower end of carriage tilt

cylinder (34) from quick-attach (4).

(28)

Using attached overhead lifting

device, carefully raise carriage tilt

cylinder (34) just far enough to

access hydraulic fittings of cylinder.

TR01691

(29) Tag or mark two hydraulic hoses (36

and 37). Disconnect two hydraulic

hoses from two elbows (38) of

carriage tilt cylinder (34). Plug hoses

and cap elbows.

(30) Pull two hydraulic hoses (36 and 37)

out from attachment (1).

(31) Raise carriage tilt cylinder (34) to

clear top of attachment (1). Move

cylinder clear of work area and

place on wood blocks.

TR01691

(32) Attach lifting strap through upper end of attachment. Attach lifting strap to overhead

lifting device. Move attachment clear of work area and place on wood blocks.

(33) Start engine (TM 10-3930-673-10) and retract inner boom to within 10 ft (3 m) of fully

retracted position.

(34) Raise outer boom to horizontal position (zero degrees).

(35) Stop engine (TM 10-3930-673-10).

16-58

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