(1)
MAIN DECK FORWARD
(a) On the forward right bulkhead of the body gear wheel well.
(2)
MAIN DECK AFT (2 VALVES)
(a) One on the forward left and one on the forward right bulkhead of the wing gear wheel well.
(3)
FLIGHT DECK, UPPER DECK, AND CREW REST AREA (3 VALVES)
(a) Just left of the airplane centerline near the ceiling in the area aft of the crew rest area.
(4)
FORWARD CARGO COMPARTMENT
(a) In the right air conditioning bay.
(5)
AFT CARGO COMPARTMENT
(a) In the right wheel well of the body landing gear on the inboard bulkhead.
B. You must do a test of the zone trim air valve after you install it.
TASK 21-61-10-004-001
2. Zone Trim Air Modulating Valve Removal (Fig. 401)______________________________________
A. References
(1)
06-09-03/201, Body Section 44 Access Doors and Panels
(2)
09-11-00/201, Towing
(3)
24-22-00/201, Manual Control
(4)
25-59-01/401, Main Deck Cargo Lining Panels
(5)
32-00-30/201, Landing Gear Door Locks
(6)
36-00-00/201, Pneumatic System
(7)
AMM 45-10-00/201, Central Maintenance Computer System
(8)
IPC 21-44-54 Fig. 1, 21-61-10 Figs. 01, 10, and 15.
(9)
SSM 21-45-08, 21-61-01, 21-61-02, 21-61-08, 21-61-15, 21-61-16
B. Access
(1)
Location Zone
134 Air Conditioning Equipment Bay, RH
135 Wing Landing Gear Well, LH
136 Wing Landing Gear Well, RH
138 Body Landing Gear Well, RH
(2)
Access Panel
192NR Air Conditioning Access Door
C. Prepare for the Removal
S 864-002
(1) Supply electrical power (AMM 24-22-00/201).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
21-61-10
ALL ú ú 01F Page 401 ú Oct 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
CREW REST AREA
AIR CONDITIONING EQUIPMENT
BAY AND WHEEL WELL
SEE B
AREA AFT OF
CREW REST AREA
SEE A
UPPER DECK
UPPER DECK TRIM AIR MODULATION VALVE
SEE E
CREW REST AREA TRIM AIR MODULATION VALVE
SEE E
FLIGHT DECK TRIM AIR
MODULATION VALVE
SEE E
FWD INBD
AREA AFT OF CREW REST AREA A
Zone Trim Air Modulating Valve Installation
Figure 401 (Sheet 1)
C80552
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
21-61-10
ALL ú ú 01F Page 402 ú Oct 10/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
MAIN DECK AFT TRIM
AIR MODULATION VALVE
MAIN DECK AFT TRIM AIR
SEE E
MODULATION VALVE LEFT WHEEL
SEE EWELL
MAIN DECK FORWARD TRIM AIR MODULATION VALVE SEE E
RIGHT WHEEL WELL SEE C
RIGHT AIR CONDITIONING BAY SEE D FWD AFT CARGO TRIM AIR MODULATION VALVE
AIR CONDITIONING EQUIPMENT BAY
SEE E
AND WHEEL WELL
B
INBOARD BULKHEAD
OUTBD FWD
FORWARD CARGO TRIM AIR
MODULATION VALVE
RIGHT WHEEL WELL SEE E
C
FORWARD CARGO
CONDITIONED
AIR SUPPLY DUCT
PACK 3 PACK 3
OUTLET WATER
SEPARATOR
RIGHT AIR CONDITIONING
FWD INBD EQUIPMENT BAY
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本文鏈接地址：747-400 AMM 飛機維護手冊 空調(diào) AIR CONDITIONING 2(151)
