S 864-018
 (11)
 Close the door electrically (Ref 52-32-00/001).

 S 864-019

 (12)
 Open the door electrically to make sure it operates correctly (Ref 52-32-00/001).

 S 864-020

 (13)
 Close the door (Ref 52-32-00/001).

 S 414-021

 (14)
 Install the insulation you moved for access (25-21-04/401).

 (15)
 Remove electrical power if it is not necessary (Ref 24-22-00/201).

 S 864-022
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 MASTER LATCH LOCK HANDLE - ADJUSTMENT/TEST
__________________________________________
 1.  General_______
 A.  This procedure contains a task to adjust the master latch lock handle.
 B.  You can use this procedure to check and adjust engagement of the master latch lock plunger when the master lock handle is closed.
 TASK 52-32-06-825-001
 2. Adjust the____________________________________Master Latch Lock Handle (Fig. 501)
 A.  Standard Tools and Equipment
 (1)  
Ink (use to mark the lockpin)

 B.  
References

 (1)  
IPC 52-32-06 Fig 2

 (2)  
Location Zone
 261 Main Deck STA 1720 TO STA 2040

 (3)  
Access Panels
 836L Door - Main Deck Cargo

 C.  
Procedure

 S 865-008
 (1)  
Make sure the handle is in the closed position.

 S 735-002

 (2)  
Make sure there is less than 0.03 inch between the contour of the trigger and the contour of the handle.

 S 825-003

 (3)  
Do these steps if it is necessary to adjust the trigger:

 (a)  
Open the handle.

 (b)  
Add thin washers between the lockpin collar and the handle housing to move the trigger inboard (Fig. 501).

 (c)  
Remove thin washers between the lockpin collar and the handle housing to move the trigger outboard (Fig. 501).

 S 825-004
 (4)  
Adjust the stop bolt (Fig. 501).

 (a)  
Close the handle.

 (b)  
Make sure the handle has between 0.10 and 0.15 inch of play in the closed direction.

 (c)  
Change the length of the stop bolt if it is necessary to set this dimension.

 S 825-005
 (5)  
Adjust the lockpin (Fig. 501).

 (a)  
Put ink on the end of the lockpin.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
DOOR STOP
5.95 |0.40 INCH
A
A
B

SIDE CARGO DOOR PRESSURE RELIEF DOOR (OPEN)
B
MASTER LATCH LOCK HANDLE
A-A
FWD
LOCKPIN RECEPTACLE
1
ADD OR REMOVE
WASHERS HERE TO
ADJUST THE LOCKPIN

THIN WASHERS
0.21 |0.02 INCH 2
TRIGGER LOCKPIN
2
HANDLE
(IN OPEN

STOP BOLT POSITION)
1
1 ADJUST STOP BOLT TO GET 0.10-0.15 INCH DIMENSION WHEN THE HANDLE IS IN THE CLOSED POSITION. HANDLE RUBBER
2 MAKE SURE THE CONTOUR OF THE
STOP WASHERS
TRIGGER ALIGNS WITH THE CONTOUR
OF THE HANDLE |0.03 INCH. ADD OR
REMOVE THIN WASHERS TO SET THIS
DIMENSION

B-B
Master Latch Lock Handle Adjustment Figure 501
CARGO
DOOR

PRESSURE RELIEF DOOR (CLOSED)
CARGO DOOR
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 52-32-06
 ALL  ú ú 02 Page 502 ú Feb 10/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
　
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