MODE SELECTOR LEVER SEE
MODE SELECTOR LEVER
Auto/Manual Indication System
Figure 501 (Sheet 1)
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A
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MAINTENANCE MANUAL
SWITCH SWITCH CLEARANCE
ACTUATOR ACTUATOR
D
CLEARANCE D
MANUAL
SWITCH
D D
MODE SELECTOR LEVER MODE SELECTOR LEVER (ARM POSITION) (DISARM POSITION)
AUTOMATIC SWITCH
ARM POSITION DISARM POSITION (AUTOMATIC/ARM) (MANUAL/DISARM) A-A 1
A-A 1
MODE SELECTOR LEVER
(DISARM POSITION) MODE SELECTOR LEVER (ARM POSITION)
CLEARANCE SWITCH ACTUATOR SWITCH
D
ACTUATOR MANUAL SWITCH MANUAL SWITCH
D
SWITCH ACTUATOR
3
AUTOMATIC SWITCH
AUTOMATIC SWITCH 3
ARM POSITION DISARM POSITION (AUTOMATIC/ARM) (MANUAL/DISARM) A-A2 A-A2
1
ALL DOORS EXCEPT AIRPLANES WITH A CURVED BRACKET AT DOOR 5
AIRPLANES WITH A CURVED BRACKET AT DOOR 5
2
3
SECTION D-D SHOWS HOW TO ALIGN THE SWITCH AND THE ACTUATOR
Auto/Manual Indication System Figure 501 (Sheet 2)
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MAINTENANCE MANUAL
UPPER DECK
DOOR
SEE B
ARM/DISARM
LEVER
FWD
UPPER DECK DOOR
C AUTOMATIC
SWITCH
B C
B
UPPER DECK DOOR B
Auto/Manual Indication System Figure 501 (Sheet 3)
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MAINTENANCE MANUAL
4
Auto/Manual Indication System
Figure 501 (Sheet 4)
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747-400 MAINTENANCE MANUAL
C. Procedure
S 865-002
(1)
Supply electrical power (AMM 24-22-00/201).
S 915-003
(2)
Supply power to EICAS (AMM 31-61-00/201).
S 865-004
(3)
Make sure these circuit breakers are closed:
(a)
P7 Overhead Circuit Breaker Panel
1) 7A1 MAWEA PWR A
2) 7B1 MAWEA PWR B
S 865-005
(4)
Close the passenger doors.
S 845-057
(5)
Put the mode selector levers on each door in the disarmed (MANUAL/DISARM) position.
S 215-006
(6)
Make sure that DOORS MANUAL shows on EICAS.
S 215-007
(7)
Make sure that DOORS AUTO/MANUAL does not show on EICAS.
S 215-008
(8)
Make sure that DOORS AUTO does not show on EICAS.
S 735-009
WARNING:_______DO NOT OPEN A DOOR DURING THE TEST. THE DOOR EMERGENCY MECHANISM WILL OPERATE IF YOU OPEN A DOOR WITH THE MODE SELECTOR LEVER IN THE ARMED (AUTOMATIC/ARM) POSITION. EMERGENCY OPERATION OF THE DOOR AND ESCAPE SYSTEM CAN CAUSE DAMAGE TO EQUIPMENT AND INJURY TO PERSONS.
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