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Page Title:
TSUM - 2-007 Beam Angle (31) Part 4 |
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 TM 5-5420-279-23
TSUM - 2-007 Beam Angle (31) Part 4
Part 4
All Maintainer Tasks
Fit pressure gauge to TPB1
on Articulator Manifold
Operate chest pack joystick to
Beam Lower
P is less than 653 psi
(4500 kPa)
or m ore than
P = 0 psi
2175 psi (15000 kPa)
Is gauge
reading
P is greater than 653 psi
Replace relief valve
(4500 kPa)
on Articulator Manifold.
Replace SV2. on Launching Fram e
but less than
See Appendix E Page 8 and
Articulator Manifold
2175 psi (15000 kPa)
m aintenance procedure 5-131,
See m aintenance procedure 5-122
Item 3.
Hydraulic supply OK
Suspect counterbalance
valves on articulator cylinders
Support launch fram e with a
3rd party crane (not launch
vehicle crane)
Disconnect both articulator
cylinders at lower end and
partially retract. Identify which
cylinder is not m oving
Replace
counterbalance valve
at annular (lower) end of
non m oving cylinder.
See m aintenance procedure
5-134
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