(a)
P414 Power Distribution Center - Left 1) 414F15 CARGO DOOR CONTROL FWD 2) 414F16 CARGO DOOR CONTROL AFT
(2)
Disconnect the switch leads at the wire splice (Fig. 401).
S 034-003
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MAINTENANCE MANUAL
MID SPAN LATCH OPEN SWITCH (FWD)
SEE A
HOOK POSITION SWITCH
SEE F LATCH CLOSE SWITCH SEE E
FORWARD CARGO DOOR
Cargo Door Sequence Switches
Figure 401 (Sheet 1)
DOOR UP
SWITCH
SEE G
MID SPAN LATCH
OPEN SWITCH (AFT)
SEE A
HOOK CLOSE
SWITCH
SEE B
MASTER LATCH
LOCK SWITCH
SEE C
DOOR CLOSE
SWITCH
SEE D
LATCH OPEN
SWITCH
SEE H
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747-400
MAINTENANCE MANUAL
DOOR UP SWITCH SEE G
MID SPAN
LATCH OPEN
SWITCH
(FORWARD)
SEE A
HOOK POSITION SWITCH
SEE F MID SPAN LATCH OPEN SWITCH (AFT) SEE A
HOOK CLOSE
LATCH OPEN
SWITCH
SWITCH
SEE B
SEEH
MASTER LATCH LOCK SWITCH
SEE C
LATCH CLOSE SWITCH
SEE E DOOR CLOSE SWITCH
SEE D
AFT CARGO DOOR
Cargo Door Sequence Switches Figure 401 (Sheet 2)
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747-400
MAINTENANCE MANUAL
UNLOCKED POSITION)
MASTER LATCH LOCK SWITCH
C Cargo Door Sequence Switches Figure 401 (Sheet 3)
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747-400
MAINTENANCE MANUAL
DOOR STRUCTURE
HOOK CLOSE SWITCH
BOLT
ARM
(SHOWN IN THE NOT LOCKED
Cargo Door Sequence Switches
Figure 401 (Sheet 4)
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747-400 MAINTENANCE MANUAL
LATCH OPEN SWITCHSWITCH
ARM
LATCH OPEN SWITCH
C-C
Cargo Door Sequence Switches Figure 401 (Sheet 5)
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747-400 MAINTENANCE MANUAL
LATCH OPEN SWITCHSWITCH
ARM
LATCH OPEN SWITCH
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