S 715-045
(51)
At the local cargo control panel 20R, hold the LOCAL DRIVE switch to the AFT position.
S 215-324
(52)
Make sure the PDUs 19R1 and 19R2 move clockwise from the 45-degree retract position to the 0-degree fore-aft position.
S 215-325
(53)
Make sure PDUs 19R1, 19R2 and 20R start to turn in the aft direction after PDUs 19R1 and 19R2 reach the 0-degree fore-aft position.
S 715-326
(54)
Release the LOCAL DRIVE switch to the OFF position and make sure the PDUs do not continue to turn.
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747-400 MAINTENANCE MANUAL
K. Remote Cargo Control System Test
S 715-046
(1)
At the master cargo control panel, M1, push the REMOTE CONTROL ON/OFF switch.
S 215-306
(2)
Make sure the ON switch light comes on and the RIGHT SIDE MAIN DRIVE SELECT OFF switch light goes off.
S 715-047
(3)
At the remote cargo control panel M10, make sure the CONTROL ACTIVE, RIGHT SIDE MAIN DRIVE SELECT OFF switch , and LEFT ENTRY DRIVE UNITS OFF switch lights come on.
S 715-048
(4)
At the remote cargo control panel M10, push and hold the LAMP TEST switch.
S 215-307
(5)
Make sure the switch lights on the panel M10 come on.
S 715-308
(6)
Release the LAMP TEST switch and make sure these lights are the only lights on:
(a)
CONTROL ACTIVE
(b)
RIGHT SIDE MAIN DRIVE SELECT OFF switch
(c)
LEFT ENTRY DRIVE UNITS OFF switch.
S 715-050
(7)
At the remote cargo control panel M10, hold the DRIVE CONTROL switch to the IN position.
S 215-309
(8)
Make sure PDUs 19L1, 19L2, 19R1 and 19R2 move counterclockwise from the 0-degree fore-aft position to the 90-degree lateral position.
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747-400 MAINTENANCE MANUAL
S 215-310
(9)
Make sure all four PDUs start to turn in the inboard direction after all four PDUs reach the 90-degree lateral position.
S 715-311
(10)
Release the DRIVE CONTROL switch to the OFF position and make sure the PDUs do not continue to turn.
NOTE: PDUs 19L2, 19R1 and 19R2 complete their turn cycle
____
before PDU 19L1 starts its cycle.
S 715-051
(11)
At the remote cargo control panel M10, push the LEFT ENTRY DRIVE UNITS ON/OFF switch and make sure the OFF switch light comes on.
S 715-052
(12)
At the remote cargo control panel M10, hold the DRIVE CONTROL switch to the IN position.
S 215-312
(13)
Make sure the PDUs 19R1 and 19R2 start to turn in the inboard direction and PDUs 19L1 and 19L2 do not operate.
S 715-313
(14)
Release the DRIVE CONTROL switch to the OFF position and make sure the PDUs do not continue to turn.
S 715-049
(15)
At the remote cargo control panel M10, push the LEFT ENTRY DRIVE UNITS ON/OFF switch and make sure the ON switch light is on.
S 715-053
(16)
At the remote cargo control panel M10, hold the DRIVE CONTROL switch to the IN position.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
25-57-00
ALL ú ú 14A Page 523 ú Oct 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
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本文链接地址：747-400 AMM 飞机维护手册 EQUIPMENT/FURNISHINGS 2(61)
