(6)  
Disconnect the bonding jumper assembly (4) from the fan.

 (7)  
Remove the clamps (5) (4 locations).

 S 014-005
 S 034-031
 S 034-007
 S 034-008
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 21-43-04
 ALL  ú ú 02 Page 401 ú May 20/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

FWD CARGO HEATING 
INTAKE GRILL 
FWD CARGO  SEE  B 
HEATING 
FLOW FAN 
SEE  A 
1. BOLT (2 LOCATIONS) 
2. WASHER (2 LOCATIONS) 
3. NUT (2 LOCATIONS) 
4. JUMPER 
ASSEMBLY 
(BONDING) 
15. FAN BRACKET 
14. FAN 
SUPPORT ROD  5. CLAMP 
(4 LOCATIONS) 
6. HOSE (2 LOCATIONS) 
7. FAN 
8. ELECTRICAL 
CONNECTOR 
9. NUT (TOP NUT) 
10. ISOLATOR 
11. BOLT (2 LOCATIONS) 
12. WASHER (2 LOCATIONS)  FWD  INBD 
13. NUT (2 LOCATIONS) 
HEATING FWD CARGO  FORWARD CARGO HEATING FLOW FAN 
INTAKE DUCT  A 
INTAKE 
GRILL 

WIRE FILTER
FWD CARGO HEATING INTAKE GRILL B
Forward Cargo Heating Flow Fan - Installation Figure 401
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 21-43-04
 ALL  ú ú 02 Page 402 ú Jun 20/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

 S 034-009
 (8)  
Move the hose (6) (2 locations) away from fan (7).

 S 034-010

 (9)  
Remove the bolts (1) from the isolators (9) in the top fan bracket (15) (2 locations).

 S 034-011

 (10)
 Disconnect the fan (7) at the lower bracket.

 (a)  
Remove the top nut (9) from the fan support rod (14).

 (b)  
Remove the bolts (11) (2 locations) that connect the isolator (10) to the fan bracket.

 (c)  
Remove the isolator (10).

 S 024-012
 (11) Remove the fan (7).
 TASK 21-43-04-404-013
 3. Install the Forward Cargo Heating Flow Fan (Fig. 401)
__________________________________________
 A. Equipment
 (1)  
Cooling Source - ice pack, Commercially
 available

 (2)  
Thermometer - hand-held type, range 40-80°F
 (0-30°C), Commercially available.

 (3)  
Vacuum - Commercially available.

 B.
Parts

 ~.............................................................................. | AMM | | AIPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT |FIG | ITEM | ................................................................................ | 401 | 1 | Bolt | 21-43-03 | 02 | 45 | | | 2 | Washer | | | 60 | | | 3 | Nut | | | 70 | | | 4 | Jumper Assembly | | | 15 | | | 5 | Clamp | | | 155 | | | 6 | Hose | | | 120 | | | 7 | Fan | | | 95 | | | 9 | Nut | | | 85 | | | 10 | Isolator | | | 80 | | | 11 | Bolt | | | 55 | | | 12 | Washer | | | 60 | | | 13 | Nut | | | 70 | 2......…........…...................................…...........….....…........1
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 21-43-04
 ALL  ú ú 01 Page 403 ú May 28/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

 C. References
 (1)  
06-46-00/201, Entry, Service and Cargo Doors, Access Doors and Panels

 (2)  
24-22-00/201, Electric Power Control

 (3)  
25-50-03/401, Bulkhead Lining Panels

 D.
　
中國航空網 m.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：757 AMM 飛機維護手冊 空調 AIR CONDITIONING 1(133)