S 434-062

 (5)  
Install the applicable quantity of shims to get a horizontal clearance of 0.05-0.10 inch at the locations shown in Fig. 401

 NOTE:____Discard the shims which you do not use. Make sure you install the shim that has the countersunk holes adjacent to the door latch fitting. Install shorter bolts if it is necessary, or add washers to make allowance for the length of the bolt.
 S 224-063
 (6) Measure the horizontal clearance between the sill support fitting and the door latch fitting at the locations shown in Fig. 401
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 25-57-03
 ALL  ú ú 01 Page 408 ú Oct 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 S 824-064
 (7)  Adjust the sill support fitting until you get a horizontal clearance of 0.05-0.10 inch at the locations shown in Fig. 401.
 (a)  
Loosen the eight fasteners which attach the sill support fitting to the channel assembly on the outboard sill.

 (b)  
Move the sill support fitting forward or aft until the horizontal clearance is 0.05-0.10 inch.

 (c)  
Tighten the eight fasteners to 130-180 inch-pounds.

 S 224-065
 (8)  
Measure the vertical clearance between the sill support fitting and the door latch pin at the locations shown in Fig. 401.

 S 434-066

 (9)  
Install the applicable quantity of shims to get the vertical clearance of 0.000-0.020 inch at the locations shown in Fig. 401

 NOTE: A minimum of one sill support fitting must have a vertical
____ clearance of 0.000 inch. Discard the shims which you do not use. Make sure you install the thickest shim adjacent to the door latch pin. Install shorter screws if it is necessary. Make sure the shims align with the door latch pin.
 S 824-067
 (10) Do the adjustment steps above for the aft outboard sill.
 F. Put the Airplane Back to Its Usual Condition
 S 864-068
 (1)  
Fold the outboard sills on the top of the inboard sills.

 (2)
Remove the safety strut for the side cargo door (Ref 52-32-16/401).

 S 094-069
 S 414-070
 WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE AWAY FROM THE DOOR AND
_______ THE DOOR OPENING WHEN YOU OPERATE THE DOOR. FAILURE OF THE LIFT MECHANISM COULD CAUSE THE DOOR TO CLOSE QUICKLY WHICH COULD CAUSE INJURY OR DAMAGE.
 (3)  Close the side cargo door (Ref 52-32-00/001).
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 25-57-03
 ALL  ú ú 01 Page 409 ú Oct 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

RETRACTABLE SIDE DOOR SILL ROLLER/CASTER AND GUIDE ASSEMBLY (2 LOCATIONS)
SHEAR
SEE A
PLUNGER
LEVER RETRACTABLE OUTBOARD SIDE GUIDERETRACTABLE INBOARD SIDE GUIDE
ROLLER
INBOARD SIDE GUIDE
STOWAGE RELEASE
PLUNGER

SEEB A A
TENSION
STUD  OUTBOARD SIDE GUIDE STOWAGE RELEASE PLUNGER
INBOARD INBOARD SIDE GUIDE SIDE
SEE B STOWAGE GUIDE RELEASE PLUNGER
ROLLER
INBOARD SIDE GUIDE STOWAGE LOCK RELEASE LEVER
LINKAGE
B2
FWD INBOARD
PLUNGER

SHEAR
SILL ASSEMBLY
LEVER
(10 LOCATIONS)

FWD OUTBOARD SEE C SILL ASSEMBLY
STEP CASTER
B B
A A
B B ROLLER B SILL ROLLER SUPPORT
(10 LOCATIONS)
B
INBD
FWD
A1

INBOARD GUIDE SHEAR PLUNGER BASE LEVER (EXAMPLE)
SEAT TRACK ATTACHING STUD
C
1  FORWARD SILL ASSEMBLY SHOWN AFT SILL ASSEMBLY OPPOSITE
2  INBOARD SIDE GUIDE STOWAGE RELEASE SHOWN OUTBOARD SIDE GUIDE STOWAGE RELEASE SIMILAR
Retractable Side Door Sill Roller/Caster Guide Assembly Installation
Figure 401 (Sheet 1)

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
　
中國航空網 m.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：747-400 AMM 飛機維護手冊 EQUIPMENT/FURNISHINGS 2(84)