(a)
37F4, HEATERS F/O AUX HI
(b)
37F3, HEATERS F/O AUX LO
S 864-006
(4)
For removal of the captain's foot heaters, open these circuit breakers on the relay panel, P70, and attach DO-NOT-CLOSE tags:
(a)
70A5, CAPT AUX HTR LO
(b)
70A6, CAPT AUX HTR HI
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A
757
MAINTENANCE MANUAL
FOOT ELECTRIC SURFACE HEATER
A Foot Electric Heaters - Installation Figure 401
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S 804-008
WARNING:_______BE CAREFUL WHEN YOU TOUCH THE HEATER. IF IT IS HOT, IT WILL BURN YOU.
(5)
Find the foot heaters in the forward part of the flight deck floor.
S 034-009
(6)
Remove the screws that hold the heater plate to the foot well.
S 024-010
(7)
Disconnect the electrical connector from the foot heater and remove the foot heater.
TASK 21-45-01-404-011
3. Install the Foot Electric Surface Heater (Fig. 401)________________________________________
A. References
(1)
AMM 24-22-00/201, Electrical Power Control
B.
Access
(1)
Location Zones
211/212 Control Cabin - Section 41
C.
Procedure
S 434-012
(1)
Connect the electrical connector to the foot heater.
S 424-013
(2)
Put the foot heater in position and attach with screws.
S 864-014
(3)
For installation of the first officer's foot heater, remove the DO-NOT-CLOSE tags and close these circuit breakers on the P37 panel:
(a)
37F4, HEATERS F/O AUX HI
(b)
37F3, HEATERS F/O AUX LO
S 864-015
(4)
For installation of the captain's foot heater, remove the DO-NOT-CLOSE tags and close these circuit breakers on the P70 panel:
(a)
70A5, CAPT AUX HTR LO
(b)
70A6, CAPT AUX HTR HI
S 864-017
(5)
Put the applicable first officer's or captain's foot heater selector on the P14 or P13 panel to LO.
(6)
Make sure the foot heater becomes warm.
S 714-018
NOTE: The surface temperature stays at 60|10 F.
____
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(7) S 864-019Put the applicable first officer's or captain's heater selector on the P14 or P13 to OFF.
(8) S 864-021Remove electrical power, if it is not necessary (AMM 24-22-00/201).
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SHOULDER AIR SUPPLY HEATER - REMOVAL/INSTALLATION
_________________________________________________
1. General_______
A. This procedure contains two tasks. The first task is the removal of the shoulder air supply heater. The second task is the installation of the shoulder air supply heater.
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