(10)
Put the control switch in the UNLOAD position.
S 215-007
(11)
Make sure the modules move to the cargo door.
S 865-008
(12)
Hold the control switch in the UNLOAD position.
S 865-009
(13)
When the modules are approximately in the middle position between the fully extended and fully retracted positions, open this P34 panel circuit breaker:
(a) 34B14, FWD CARGO LOADER DRIVE
S 215-010
(14)
Make sure the modules stop.
S 865-011
(15)
Open this P34 panel circuit breaker:
(a) 34A6, FWD CARGO LOADER CONT
S 865-012
(16) Close this P34 panel circuit breaker:
(a) 34B14, FWD CARGO LOADER DRIVE
S 215-013
(17) Make sure the modules do not move.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH THE CARGO LOADER SYSTEM ú
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ú ú 07 Page 506 ú Sep 20/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
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MAINTENANCE MANUAL
S 865-014
(18) Close this P34 panel circuit breaker:
(a) 34A6, FWD CARGO LOADER CONT
S 215-015
(19)
Make sure the modules move to the fully retracted position.
S 865-016
(20)
Hold the control switch in the UNLOAD position until the power drive motor stops, then release the switch.
S 755-017
(21)
Make sure the modules move smoothly. Make sure the modules do not shake when they move. Make sure the modules do not make noise when they move.
S 915-018
(22)
Operate the modules from the retracted position to the extended position and back to the retracted position. Do this step three times.
NOTE: Do not let the motor become cool before you do the subsequent
____
steps.
S 485-037
(23) AIRPLANES WITH MAGNETIC EXTEND LIMIT SWITCHES; Install a limit switch deactuator (ferrous material) on the extend limit switch actuator.
NOTE: Make sure the deactuator stays in position during the test.
____
S 035-035
(24)
AIRPLANES WITH MECHANICAL EXTEND LIMIT SWITCHES; Remove the trigger plate or trigger plate assembly from the module.
S 485-109
(25)
Install a limit switch deactivator between the retract limit switch sensor and the actuator.
NOTE: Make sure the deactuator stays in position during the test.
____
S 865-023
(26) Hold the control switch in the LOAD position.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH THE CARGO LOADER SYSTEM ú
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ú ú 08 Page 507 ú Sep 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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MAINTENANCE MANUAL
S 755-024
(27) Make sure the power drive motor clutch operates correctly when the modules are in the fully extended position.
NOTE: The clutch will make a high pitched sound and the power drive
____ motor will not stop if the clutch operates correctly.
S 865-025
(28)
Hold the control switch in the UNLOAD position.
S 755-110
(29)
Make sure the power drive motor clutch operates correctly when the modules are in the fully retracted position.
NOTE: The clutch will make a high pitched sound and the power drive
____ motor will not stop if the clutch operates correctly.
S 085-030
(30)
AIRPLANES WITH MAGNETIC EXTEND LIMIT SWITCHES; Remove the limit switch deactuator (ferrous material) from the extend limit switch actuator.
S 435-033
(31)
AIRPLANES WITH MECHANICAL EXTEND LIMIT SWITCHES; Install the trigger plate assembly on the module. Make sure the engagement of the trigger plate-limit switch is correct (View A-A).
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