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 TM 9-2320-364-34-1
21. CRANE FAILS LOAD TEST (CONT).
Remove all jewelry such as rings, dog tags,
bracelets, etc. If jewelry or tools contact
positive electrical circuits a direct short
may result. Damage to equipment, injury or
death to personnel may result.
Do not stand under crane. Mechanical
failure and operator error can cause injury
or death to personnel.
ADJUSTMENT TEST (CONT).
(a) If Steps (1) through (6) have
been completed three times and
it is still necessary to adjust
trimpot or gear every time boom
is fully extended or retracted,
go to Step (8) below.
(b) If, after repeating Steps (1)
through (6), the boom can be
extended and retracted and test
unit will indicate 22.5 ft (6.86 m)
and 7.3 ft (2.22 m) without
adjustment, go to Step 14 of this
Fault.
(8)
Loosen screw on gear assembly
and slide gear assembly away from
idler gear being careful not to move
gears in relation to each other.
(9)
Rotate gear assembly gear back
three teeth past the position it was
in prior to any adjustment (if gear
was turned seven teeth to the right
during adjustment, then turn gear
10 teeth to the left).
(10)
Mesh gear assembly gear and idler
gear and tighten screw.
(11)
Using TELE control lever, retract
boom completely
(TM 9-2320-364-10).
Continued on next page.
2-700
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