Master Latch Lock Switch Adjustment
Figure 514
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H36831
A
747-400
MAINTENANCE MANUAL
A
LATCH LOCK
SECTOR
HOOK
CLOSED A LOWER LATCH
SWITCH CAM SHAFT
(2 LOCATIONS)
HOOK OPEN SWITCH (2 LOCATIONS)
SCD-5 RIG PIN HOLE IN HOOK HOOK
HOOK OPENING ROTATION SCD-6 RIG PINLOCKNUT LOCKNUTHOLE IN HOOK
HOOK CLOSED SWITCH HOOK CLOSED(2 LOCATIONS) HOOKSWITCH CLOSING(2 LOCATIONS)
ROTATION SWITCHSWITCH BRACKET
BRACKET HOOK OPENHOOK OPEN SWITCHSWITCH (2 LOCATIONS)(2 LOCATIONS)
HOOK OPEN SWITCH ADJUSTMENT
HOOK CLOSED SWITCH ADJUSTMENT A-A
A-A
Hook Open and Hook Closed Switch Adjustment Figure 515
H36858
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MAINTENANCE MANUAL
LATCHES
OPEN
SWITCH
C B
A
LATCH LOCK
SECTOR
B
DOOR
A C LOWER LATCH
CAM SHAFT BRACKET
SWITCH LATCHED DOOR LATCHES CLOSED SWITCH LATCHED DOOR
SWITCH
INCHES1.55
1.49
LATCHES
CLOSED
SWITCH LATCH
CLOSED
SWITCH POSITION
MOUNTING
BRACKET INBD
1.49 1.55INCHES 1 A-A
FREE POSITION OF
SWITCH PLUNGER LATCHES OPEN
(NOT CONTACTING SWITCH
SWITCH ACTUATOR)
SWITCH ACTUATOR 1.17 INCHES 1 LOCKNUTS
B-B LOWER LATCH CAM SHAFT FREE POSITION OF SWITCH PLUNGER SWITCH ACTUATOR) (NOT CONTACTING LATCH TUBE TORQUE
MOUNTING BRACKET
SWITCH ACTUATOR
1 PRELIMINARY SWITCH SETTING ONLY. SEE TEXT FOR FINAL SETTING C-C
Latch Switch Adjustment Figure 516
H36888
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MAINTENANCE MANUAL
MIDSPAN LATCH
TORQUE TUBE FREE POSITION OF SWITCH
SWITCH PLUNGER ACTUATOR
(NOT CONTACTING SWITCH ACTUATOR)
MIDSPAN LATCH DOOR TORQUE TUBE WARNING SWITCH
1.52-1.54 INCHES
B
A
A
SWITCH MOUNTING
B
MIDSPAN MIDSPAN LATCH BRACKET
LATCH A MIDSPAN LATCH OPEN SWITCH
OPEN SWITCH A OPEN SWITCH
A-A
DOOR WARNING SWITCH
SWITCH
ACTUATOR
DOOR PRESSURE MS20995NC32
WARNING
LOCKWIRE
SWITCH
RELIEF
DOOR HEXNUTSHAFT
MOUNTING
BRACKET
KEYING WASHER
SEE A LOCKWASHER
HEXNUT
1.10 INCHES 2
ADJUSTMENT BOLT
(BOLT HEAD TO BE FLUSH
WITH SWITCH ACTUATOR ARM)
B-B
A
1 PRELIMINARY SWITCH SETTING ONLY.
SEE TEXT FOR FINAL SETTING.
2 WITH PLUNGER OF SWITCH
FREE OF SWITCH ACTUATOR,
ADJUST SWITCH TO
THIS DIMENSION
Midspan Latch and Door Warning
Figure 517
H36915
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