(b)
Push the LSK that is adjacent to START TEST>.
NOTE: IN PROGRESS shows during the test.
____
S 715-055
(2) When IN PROGRESS goes out of view, look for PASS or FAIL> adjacent to <LOWER CARGO VENT.
NOTE: If a PASS indication shows, no failures occurred during the
____
test.
(a) If FAIL> shows: 1) Push the NEXT PAGE key until you find all the GROUND TEST MSG pages. 2) Push the LSK that is adjacent to FAIL> to see the GROUND TEST MSG pages for the failure. 3) Make a list of all CMCS messages, CMCS message numbers, and ATA numbers that show on the GROUND TEST MSG pages.
4) Go to the CMCS Message Index of the Fault Isolation Manual (FIM) to find the corrective action for each CMCS message.
F. Put the Airplane in Its Usual Condition
S 865-056
(1)
Set the GND TESTS switch to the NORM position.
S 865-057
(2)
Remove the electrical power if it is not necessary
(AMM 24-22-00/201).
TASK 21-26-00-705-058
4. Bulk Cargo Flapper Valve and Solenoid System - Operational Test
_______________________________________________________________
A. General
(1) The left and the right flapper valves are the same.
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(2) When you do the test that follows, do the steps for both the left and the right flapper valves.
B. References
(1) AMM 24-22-00/201, Manual Control
C. Access
(1) Location Zone
145 Bulk Cargo Compartment, LH
146 Bulk Cargo Compartment, RH
D. Prepare For The Test
S 865-059
WARNING: MAKE SURE THE CIRCUIT BREAKER IN THE SUBSEQUENT STEP IS
_______ OPENED. IF IT IS NOT OPENED, THE FIRE EXTINGUISHER BOTTLES COULD RELEASE THEIR CONTENTS AND CAUSE INJURY TO PERSONEL.
(1) Open this circuit breaker on the P6 main power distribution panel and attach a DO-NOT-CLOSE tag:
(a) 6H6, FIRE EXTINGUISHER LOWER CARGO
S 025-099
(2) Disconnect the electrical connectors listed below:
~................................................... | BOTTLE | ELECTRICAL CONNECTOR | ..................................................... | BOTTLE A FWD SQUIB | DM7906B | ..................................................... | BOTTLE A AFT SQUIB | DM7906C | ..................................................... | BOTTLE B FWD SQUIB | DM7907B | ..................................................... | BOTTLE B AFT SQUIB | DM7907C | ..................................................... | BOTTLE C FWD SQUIB | DM7908B | ..................................................... | BOTTLE C AFT SQUIB | DM7908C | ..................................................... | BOTTLE D FWD SQUIB | DM6742B | ..................................................... | BOTTLE D AFT SQUIB | DM6742C | 2........................…..........................1
NOTE: The fire bottles A, B, C, and D are installed in the forward
____
lower cargo compartment.
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S 425-100
WARNING:_______PUT THE PROTECTIVE COVERS ON THE FIRE BOTTLE SQUIBS. IF YOU DO NOT PUT THE PROTECITVE COVERS ON THE FIRE BOTTLE SQUIBS, THE FIRE BOTTLES CAN RELEASE ITS CONTENTS SUDDENLY AND CAUSE INJURY TO PERSONS.
CAUTION:_______DO NOT PUT SHUNT PLUGS ON THE FIRE BOTTLE SQUIBS. THE SHUNT PLUGS CAN CAUSE DAMAGE TO THE SQUIB PINS.
(3)
Put the protective covers on all the fire bottles squibs.
S 865-101
(4)
Supply the electrical power if not already accomplished
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