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Page Title:
TSUM - 4-008 Jib Extension Cylinders Do Not Operate (Part 2) |
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 TM 5-5420-279-23
TSUM - 4-008 Jib Extension Cylinders Do Not Operate (Part 2)
Jib extension cyls do not
All Maintainer Tasks
operate (part 2)
Do
End of trouble
Yes
Jib extension cyls
shooting
operate
No
Connect a hydraulic pressure
gauge to the pressure gauge
test point at the crane valve
control block
Is
the gauge reading
Replace crane valve control
working pressure 4496 psi
No
block see m aintenance
(31000 kPa) when the jib
procedure 6-073
extension cyl controls are
operated
Yes
Replace jib extension cyls load
holding valve see m aintenance
procedure 6-083
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