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Page Title:
TSUM - 2-029 Upper Winch Function Check Part 3 |
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 TM 5-5420-279-23
TSUM - 2-029 Upper Winch Function Check Part 3
Part 3
All Maintainer Tasks
Fit pressure gauge to
TPP1 on underside of
Launch Fram e Pilot
Manifold. Operate
joystick to pay out
Fit pressure
Does
Replace valve SV6 on Launch
gauge to TPP on
gauge read 588 psi
Fram e Pilot Manifold. See
No
Yes
Launch Fram e
(4000 kPa)
m aintenance procedure 5-122
Pilot Manifold
Does
Carry out Pum p Function
Operate joystick to
gauge read greater
Check. See hydraulic trouble
No
pay out
than 1450 psi (10000
shooting chapter 2 procedure
kPa)
2-029
W ARNING
Yes
CRUSH INJURY. BEFORE CARRYING OUT
TROUBLESHOOTING INVOLVING SV10, A
Fit pressure gauge to
SUSPENDED OR PART BUILT BRIDGE M UST
TPP1 on underside of
BE M ADE SAFE EITHER BY COM PLETING
Launch Fram e Pilot
THE BUILD OPERATIONS IN BACK-UP M ODE
Manifold
OR BY RETRIEVING THE BRIDGE.
CRUSH INJURY. A SUSPENDED BRIDGE
W ILL M OVE IF SV10 IS M ANUALLY
OPERATED AND THE CHEST PACK RIGHT-
Operate joystick to pay
HAND JOYSTICK IS M OVED FROM THE
out. Manually operate
CENTRAL POSITION CAUSING ACTIVATION
valve SV10 on Launch
OF OTHER SOLENOID VALVES.
Fram e Pilot Manifold.
NOTE W ARNING
Replace SV10 valve assem bly,
Does
see m aintenance procedure 5-104. Also replace
gauge read 588 psi
sequence valve and 588 psi (4000 kPa) reducing
No
(4000 kPa)
valve. See m aintenance procedures 5-128 and
5-130, item s 6 and 2
Yes
Replace
solenoid coil on SV10 on Launch Fram e
Pilot Manifold. See m aintenance
procedure 5-124
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