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TM 5-5420-279-23
TSUM - 2-020 Bridge Return Level Bank Part 3
All Maintainer Tasks
Fit pressure
Operate joystick to
gauge to TPB8 on
Part 3
Carriage In
Launch Frame
Pilot Manifold
Fit pressure
Fit pressure
gauge to TPB1 on
Does gauge
gauge to TPP2 on
Yes
Launch Frame
read 363 psi
Launch Frame
Winch Control
(2500 kPa)
Pilot Manifold
Manifold
No
With joystick
Operate joystick to
operated to
carriage in
Does
carriage in -
gauge read 363 psi
manually operate
(2500 kPa)
SV7 on Launch
No
Frame Pilot
Replace 3191 psi
Manifold
Does gauge
(22000 kPa)
read 3190 psi
No
relief valve. See
(22000 kPa)
maintenance rocedure
Yes
5-132, item 4
No
Yes
Fit pressure
Replace SV7
Does gauge
gauge to TPA1 on
valve assembly.
read 363 psi
Launch Frame
See maintenance
(2500 kPa)
Winch Manifold
procedure 5-122
Yes
Replace 363 psi (2500
Replace solenoid
kPa) pressure reducing
Operate joystick
coil on SV7. See
valve. See maintenance
to carriage in
maintenance procedure
procedure 5-130, item 5
5-124
Replace back
Replace
P less than
P more than
tension valve.
Does
Upper Winch assembly.
1305 psi
1305 psi
See maintenance
gauge
See maintenance
(9000 kPa)
(9000 kPa)
procedure 5-132,
read
procedure 6-017
item 5
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