(2)
24-22-00/201, Electric Power Control
(3)
25-50-03/401, Bulkhead Lining Panels
B.
Access
(1)
Location Zones
125/126 Area Aft of Forward Cargo Compartment approximately 255 inches aft of Forward Cargo Compartment Door Centerline and 40 inches left of Airplane Centerline.
C. Procedure
S 864-002
(1)
Open this circuit breaker on the miscellaneous electrical equipment panel (P70) and attach a DO-NOT-CLOSE tag:
(a)
70B8, FWD CARGO FAN
S 864-004
(2)
Open this circuit breaker on the overhead circuit breaker panel (P11) and attach a DO-NOT-CLOSE tag:
(a)
11N17, CARGO HEATER FAN FWD
S 014-005
(3) Open the cargo compartment door No. 1 (821) and find the temperature control switch (Ref 06-46-00).
NOTE: The switch is behind a grill on the left aft endliner panel.
____
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A
757
MAINTENANCE MANUAL
FORWARD CARGOTEMPERATURE THERMAL SWITCH
SEE A
FORWARD CARGO GRILL
HEATING INLET (REF)DUCT (REF)
ELECTRICAL CONNECTOR WIRE FILTER (REF)
TEMPERATURE
CONTROL SWITCH
BOLT (3 LOCATIONS) (REF)
BOSS
FORWARD CARGO TEMPERATURE
THERMAL SWITCH
A
Forward Cargo Compartment Temperature Control Switch Installation
Figure 401
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MAINTENANCE MANUAL
S 014-006
(4) Remove the left recirculation filter access panel from the aft bulkhead of the forward cargo compartment.
NOTE: It is possible you will have to disconnect the forward cargo
____ heating duct grille from the aft bulkhead lining.
S 014-026
(5)
If necessary for access to the temperature control switch, remove the aft bulkhead lining (AMM 25-50-03/401).
S 034-007
(6)
Disconnect the electrical connector from the temperature control switch.
S 024-008
(7)
Remove the temperature control switch from the boss.
TASK 21-43-05-404-009
3. Install the Forward Cargo Temperature Control Switch (Fig. 401)
____________________________________________________
A. Equipment
(1)
Heating Source - hand-held blow dryer,
commercially available.
(2)
Cooling Source - ice pack, commercially
available.
(3)
Thermometer - hand-held type, range 40-80°F
(0-30°C) commercially available.
B.
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
C.
Access
(1)
Location Zones 125/126 Area Aft of Forward Cargo Compartment
D.
Procedure
(1)
Install the temperature control switch into the boss. Tighten.
(2)
Install the electrical connector to the temperature control switch.
S 424-010
S 434-011
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