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Page Title:
TSUM - 2-002 Uneven A-Frame Unfold (13) |
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 TM 5-5420-279-23
Uneven A-Frame unfold
Does
one side of A-
No
Frame not begin
to unfold
A-Frame unfolds
Yes
in erratic or
uncontrolled
manner
Are locking pins
Remove locking
No
removed from
pins
affected side?
Operator
Tasks
Maintainer
Yes
Tasks
Replace affected cylinder
assembly. See Maintenance
Connect a pressure gauge to both
Procedure 5-014
TPB2 and TPB3 at the Stabilizer
Manifold
Operate Deploy button on
Operator's Panel
Does
pressure on
affected side increase to
No
1160 psi (8000 kPa)
Yes
TPB2 = LH
TPB3 = RH
Does
pressure on
Replace affected cylinder
unaffected side rise to
assembly. See Maintenance
870 psi (6000 kPa) and
Yes
No
Procedure 5-014
cylinder operate
correctly
Replace
Replace SV20 Valve Stack Assembly
Synchronizing
on the Stabilizer Manifold. See trouble
Flow Divider.
shooting chapter 2 Procedure
See Maintenance
2-031 & Maintenance Procedure 5-120
Procedure 5-126
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