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Page Title:
TSUM - 4-001 Crane Stabilizer Extensions Or Stabilizer Legs Do Not Operate |
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 TM 5-5420-279-23
Crane stabilizer
extensions or stabilizer
legs do not operate
Prepare for crane
Strip/Clean Pressure
operations in accordance
Relief Valve on Stabilizer
Is
No
with the operator's
Valve Control Block see
PTO engaged
m anual
m aintenance procedure
TM 5-5420-279-10
6-074
Yes
Is
the directional
Set the flow
Do
flow control valve in the
End of trouble
control valve in
crane stabilizer
Yes
No
correct position for stabilizer
shooting
the correct
extensions or legs
extension or leg
position
operate
operation
No
Yes
Do
Replace Stabilizer
No
crane stabilizer
Valve Control Block see
End of trouble
Yes
extensions or legs
m aintenance procedure
shooting
operate
6-076
No
Operator tasks
Do
Maintainer Tasks
Operate
crane stabilizer
End of trouble
Yes
em ergency
extensions or legs
shooting
shut-off valve
operate
No
Electrical fault.
Do
Carry out electrical trouble
Replace
crane stabilizer
shooting on the crane stabilizer
Yes
Stabilizer extension
extensions or legs
extension or leg circuits.
cylinder, see m aintenance
operate
See TSUM 4-011
procedure 6-036
or
replace
No
stabilizer leg cylinder, see
m aintenance
procedure 5-147
Carry out a hydraulic
pum p function check
see Chapter 2
TSUM 2-030
Do
crane stabilizer
End of trouble
Yes
extensions or legs
shooting
operate
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