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Table 2-3. UNIT TROUBLESHOOTING - TM-9-2350-238-20-20053
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TM-9-2350-238-20-2 Crane (CAB) Components Recovery Vehicle Full-Tracked: Light Armored M578 (
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LEVEL WIND ASSEMBLY DOES NOT CENTER ITSELF.
TM
9-2350-238-20-2
2-9.
TROUBLESHOOTING
INFORMATION
(CONT).
Table 2-3. UNIT TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE
ACTION
BOOM AND WINCH INSTALLATION
(CONT)
TOW WINCH OPERATION IS SLOW IN EITHER DIRECTION WHEN CAB TRAVERSES
3.
AND
BOOM
RAISES
AND
LOWERS
NORMALLY.
Check
for
hydraulic
leak.
Step 1.
Tighten all lines and fittings.
Check
for
damaged
lines
and
hoses.
Step 2 .
Replace damaged hydraulic lines or hoses, refer to page 2-191.
4.
BOOM  WINCH  DOES  NOT
OPERATE
WHEN
CAB
TRAVERSES
AND
BOOM
RAISES
AND
LOWERS  NORMALLY.
Step 1.
Check
for
broken
or
jammed
boom
winch
control
valve
or
linkage.
If  boom
winch  control  valve
or
linkage
is
damaged,
notify
direct
support
maintenance.
Step 2.
Check
for
damaged
hydraulic
brake
cylinder
to
valve
tube.
Replace
damaged
hydraulic
brake
cylinder
to
valve
tube,
refer
to
Step 3.
Check for damaged or jammed hydraulic winch motor, control cylinder, or
shift  mechanism.
If damaged or jammed, notify direct support maintenance.
5.
BOOM WINCH REELS IN, BUT WILL NOT PAY OUT, OR WINCH PAYS OUT, BUT WILL
NOT REEL IN.
Check
for
leaking
counterbalance
valve.
If
counterbalance
valve
is
leaking,
notify
direct
support
maintenance.
6.
BOOM WINCH IS SLOW IN EITHER DIRECTION WHEN CAB TRAVERSES AND BOOM
RAISES
AND
LOWERS
NORMALLY.
Check
for
hydraulic
leaks.
Step 1.
Tighten all lines and fittings.

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