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Page Title:
TSUM - 4-002 Crane Does Not Rotate (Part 1) |
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 TM 5-5420-279-23
Crane Does Not
rotate (Part 1)
Prepare for crane
operations in accordance
Is
No
with the operator's
PTO engaged
m anual
TM 5-5420-279-10
Yes
Is
Set the flow
the directional
control valve in
No
flow control valve in the
the correct
correct position for crane
position
operation
Yes
Does
End of trouble
Yes
the crane
shooting
rotate
No
Operator tasks
Operate
em ergency
Maintainer Tasks
shut-off valve
Electrical fault.
Does
Carry out electrical
the crane
Yes
trouble shooting on the
rotate
crane rotating circuits.
See TSUM 4-011
No
Connect a hydraulic pressure
gauge to the pressure gauge
test point at the crane valve
control block
Go to part 2
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