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TM10-3930-660-34
16-12.1. INNER BOOM - REPLACE/REPAIR (Cont’d)
WARNING
At operating temperatures, hydraulic oil is hot and under
pressure. Hot oil can cause injuries. Allow hydraulic oil
to cool before disconnecting any hydraulic lines.
CAUTION
Wipe the area clean around all hydraulic connections to
be opened during removal and disassembly. Cap oil
lines and plug holes after removing lines. Contamination
of the hydraulic system could result in premature failure.
NOTE
If more than one hydraulic line is to be removed, identify
lines to assure proper installation. Use suitable container
to catch any hydraulic oil that may drain from system.
NOTE
Combined weight of outer boom weldment and boom
extend cylinder is approximately 1500 lbs.
REMOVAL
NOTE
Count and record number of turns nut (1) is loosened in
step 1.
1.
LOOSEN, BUT DO NOT REMOVE NUT (1) ON
UNDERSIDE
OF
OUTER
BOOM
(2)
TO
RELIEVE TENSION ON EXTENDED CHAIN (3).
16-58
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