H36252
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
52-32-00
ALL ú ú 03 Page 510 ú Jun 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
FWD
HOOK ACTUATOR
LATCH ACTUATOR
LATCH CAM
(10 LOCATIONS)
LATCH
MECHANISM
MIDSPAN LATCH CAM
(2 LOCATIONS)
A
MIDSPAN LATCH
TORQUE TUBE
(2 LOCATIONS)
IDLER
TORQUE
TUBE UPPER MIDSPAN
LATCH PUSHROD EXTERNAL LATCH STOP
LATCHES MIDDLE MIDSPAN
OPEN SWITCH LATCH PUSHROD FITTINGS
B
LATCH TORQUELOWER MIDSPAN
B
TUBELATCH PUSHROD
B
B
A
LOWER LATCH CAM
LOWER LATCH LATCH LOWER LATCH SHAFT
(10 LOCATIONS)
PUSHROD ACTUATOR (5 LOCATIONS) (5 LOCATIONS)
Latch Mechanism Adjustment
Figure 503 (Sheet 1)
H36282
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
52-32-00
ALL ú ú 04 Page 511 ú Jun 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
ELLIPTICAL LATCH PIN FITTINGLATCH PIN (ON BODY) CIRCULAR
3
LATCH PIN 3
MIDSPAN LATCH CAM (2 LOCATIONS)
DOOR
2
UPPER MIDSPAN 2 LATCH PUSHROD
LATCHES SCD-4 RIG CLOSED PIN HOLE STOP BOLT
1 IDLER TORQUE STOP LEVER
TUBE
(LATCHES
CLOSED POSITION)
LATCH TORQUE
TUBE 112 TURNS OF LATCH ACTUATOR EXTERNAL
MANUAL DRIVE STOP FITTING
STOP LEVER
(LATCHES
LOWER MIDSPAN OPEN POSITION)
LATCH PUSHROD LATCHES
OPEN
STOP BOLT
LOWER LATCH
(5 LOCATIONS) PUSHROD LATCH TORQUE LOCKWIRE JAMNUT
TUBE
B-B
SCD-3
RIG PIN HOLE
LOWER LATCH CAM (10 LOCATIONS)
A-A
1 USED FOR PRELIMINARY ADJUSTMENT ONLY. ALIGNMENT NOT REQUIRED FOR FINAL ADJUSTMENT.
2 AIRPLANE MAY HAVE A MATCHED SET OF EITHER ELLIPTICAL OR CIRCULAR MIDSPAN LATCH PINS
NOTE:AFT HOOK MECHANISM SHOWN. SAME FOR FORWARD MECHANISM. 3 EITHER PIN IS PERMITTED
Latch Mechanism Adjustment Figure 503 (Sheet 2)
H36659
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
52-32-00
ALL ú ú 04 Page 512 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
FWD
MIDSPAN LATCH CAM (2 LOCATIONS)
HOOK ACTUATOR
LATCH ACTUATOR
DOOR
CIRCULAR MIDSPAN LATCH PIN
BODY
2
STRUCTURE GAP A DOOR
1
MIDSPAN ELLIPTICAL
LATCH CAM MIDSPAN
LATCH PIN
BODY
GAP B 2 STRUCTURE
1 GAP A
1
MIDSPAN LATCH CAM
GAP B
1
GAP A TO EQUAL GAP B WITHIN |0.03 INCH
1
AT POSITION SHOWN.
2
AIRPLANE MAY HAVE A MATCHED SET OF EITHER ELLIPTICAL OR CIRCULAR MIDSPAN LATCH PINS.
Midspan Latch Mechanism Adjustment Figure 504 (Sheet 1)
H36660
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 艙門 DOORS 2(83)
