Quantcast TSUM - 3-021 A-Frame Fold (Park) (122) Part 1

 

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TSUM - 3-020 A-Frame Rotate (Park) (119) Part 2
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TM-5-5420-279-23 Dry Support Bridge (DSB) (NSN
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TSUM - 3-021 A-Frame Fold (Park) (122) Part 2
TM 5-5420-279-23
TSUM - 3-021 A-Frame Fold (Park) (122) Part 1
A-Fram e Fold
will not park
For the A-Fram e to fold closed (park) the following
conditions m ust be satisfied:-
*
Neutral gear selected
*
Parking brake applied
*
Tail Lift Pendant connected & powered
*
Chest Pack not connected
*
4 Position Switch at position 2
*
Ensure E-STOP RESET satisfactory
*
Transport Pins rem oved
*
A-Fram e fold open (Deploy) lim it switch activated
*
Launcher solenoid supply enabled (KA1 energised)
*
A-Fram e Fold Park button depressed
Is
Power down & replace
launcher
defective Interface
Perform
No
No
deploym ent lam p and
lam p test on
Enclosure. To replace
solenoid SV20b caption lit
Interface Enclosure
Operator Panel. Are all
on Operator
lam ps lit?
see m aintenance
Panel?
procedure 5-099
Yes
Yes
Is
Disconnect connector
solenoid SV20b
Insert probes of DMM
No
from solenoid SV20b.
connector LED lit on the
into sockets 1 & 2 of
See m aint procedure
Stabilizer
connector
5-141
Manifold?
Yes
Disconnect connector from
solenoid SV20b.
See m aint procedure 5-141
Replace solenoid
harness if
Connect DMM across solenoid
Is 24V
Yes
coil pins.
connector LED
solenoid supply
not lit. See
See resistance check in m aint
present?
procedure 5-124
m aintenance
procedure 5-139
No
Replace faulty harness,
Power down & check
Interface Enclosure or junction
harness continuity from
box as appropriate using the
solenoid SV20b to
following m aintenance procedures:-
Go to
Interface Enclosure
Harness 5-139
Part 2
using the cable routing
Interface Enclosure 5-098
tables in section 3.6 of
A-Fram e Junction Box 6-008
Chapter 3
Slide Fram e Junct. Box 5-089

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