(1)  
Location Zones
 153/154 Aft Cargo Compartment

 C.  
Procedure

 S 864-002
 (1)  
Open this circuit breaker on the overhead circuit breaker panel, P11, and attach a DO-NOT-CLOSE tag:

 (a)  
11N22, CARGO HEAT FAN AFT

 S 864-003
 (2)  
Open this circuit breaker on the right miscellaneous electrical equipment panel, P37, and attach a DO-NOT-CLOSE tag:

 (a)  
37C2, AFT CARGO FAN

 S 014-004
 (3)  Open the cargo door No. 2 (822) and find the aft cargo heating flow fan (AMM 06-46-00/201).
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MAINTENANCE MANUAL

AFT CARGO
AFT CARGO
HEATING
FLOW FAN
INTAKE GRILL
SEE A
SEE B
1. FAN
6. BOLT (2 LOCATIONS)
A  SEE A-A
2. CLAMP
3.
 HOSE

4.
 CLAMP

4. CLAMP CARGO HEATING DUCT (REF)
BONDING
JUMPER
(REF)

3. HOSE
A
2. CLAMP  EYEBOLT (REF)
SEE A-A

5. NUT
ELECTRICAL
(SELF-LOCKING) CONNECTOR (REF)
FWD
AFT CARGO FLOW FAN A
Aft Cargo Heating Flow Fan - Installation Figure 401 (Sheet 1)
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MAINTENANCE MANUAL

FAN SUPPORT  ISOLATOR (REF) 
LUG 
(REF) 
(4 LOCATIONS)  7. WASHER 
6. BOLT  8. NUT (SELF-LOCKING) 
9. BONDING JUMPER 

(REF) LUG FAN SUPPORT 
(SELF-LOCKING) 12. NUT 
11. WASHER 
FWD  10. EYEBOLT 
A-A 
(REF) INTAKE DUCT HEATING AFT CARGO  GRILL INTAKE 

WIRE FILTER
AFT CARGO HEATING INTAKE GRILL B
Aft Cargo Heating Flow Fan - Installation Figure 401 (Sheet 2)
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 (4)  S 014-005Remove the center bulkhead lining to get access to the fan (AMM 25-50-03/401).
 (5)  S 034-006Remove the electrical connector from the heat fan (1).
 (6)  S 034-007Remove the nut (5) and bonding jumper (9) from the fan (1).
 (7)  S 034-008Remove the clamps (2 and 4) in four locations.
 (8)  S 034-009Move the hose (3) in two locations away from the fan (1).
 (9)  S 034-010Remove the bolts (6) from the isolators at the top fan support lugs.

 S 034-011
 (10)
 Remove the nut (12) that attaches the lower fan support lug to the eyebolt (10).

 (a)  
Remove the eyebolt washer (11) and keep it.

 S 024-012
 (11) Remove the fan (1).
 TASK 21-44-06-404-013
 3. Install the Aft Cargo Heating Flow Fan (Fig. 401)
__________________________________
 A. Equipment
 (1)  
Cooling source - ice pack, commercially
 available

 (2)  
Thermometer - hand held type, commercially
 available, range 40-80°F

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