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时间:2011-04-21 07:59来源:蓝天飞行翻译 作者:航空
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 (8)  S 865-116Put the control switch in the LOAD position again.
 (9)  S 215-005Make sure the modules do not move and do not touch the aft bulkhead.
 S 865-006

 (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

 25-51-00
 ú ú 07 Page 506 ú Sep 20/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
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

 25-51-00
 ú ú 08 Page 507 ú Sep 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
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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