(e)  
Push the ECS MSG switch, as necessary, to forward the EICAS pages. Make sure these EICAS messages show on the bottom display. 1) L ENG OH LP 1 and 2 2) L ENG FIRE LP 1 and 2

 (f)  
Release the ENG/APU/CARGO switch.

 (g)  
Make sure the indications stop.

 (h)  
Open these circuit breakers on the P11 panel and attach DO-NOT-CLOSE tags: 1) 11B20, FIRE DETECTION L ENGINE 1 2) 11B21, FIRE DETECTION L ENGINE 2

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757 MAINTENANCE MANUAL
 S 864-078
 (5)  Do the procedure again for the right engine detectors.
 (a)  Do the procedure again for thr right engine detection system. Use the right engine indications, and the circuit breakers listed below: 1) 11B22, FIRE DETECTION R ENGINE 1 2) 11B23, FIRE DETECTION R ENGINE 2
 J. Put the airplane back to its usual condition.
 S 864-123
 (1)  Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P11 panel:
 NOTE: Close the system 1 and 2 circuit breakers at the same
____
 time.

 (a)  
11B20, FIRE DETECTION L ENGINE 1

 (b)  
11B21, FIRE DETECTION L ENGINE 2

 (c)  
11B22, FIRE DETECTION R ENGINE 1

 (d)  
11B23, FIRE DETECTION R ENGINE 2

 (e)  
11B24, FIRE DETECTION APU 1

 (f)  
11B25, FIRE DETECTION APU 2

 (g)  
11B26, FIRE DETECTION CARGO 1

 (h)  
11B27, FIRE DETECTION CARGO 2

 (i)  
11J24, FIRE DET ALTN PWR CARGO

 (j)  
11J25, FIRE DET ALTN PWR APU

 (k)  
11J26, FIRE DET ALTN PWR ENGINE LEFT

 (l)  
11J27, FIRE DET ALTN PWR ENGINE RIGHT

 S 864-124
 (2)  
Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P6 panel:

 (a)  
6C1, FUEL COND CONT L

 (b)  
6C2, FUEL COND CONT R

 (3)
Remove electrical power if it is not necessary (AMM 24-22-00/201).

 S 864-079
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757 MAINTENANCE MANUAL
 FIRE/OVERHEAT TEST PANEL - REMOVAL/INSTALLATION
_______________________________________________
 1.  General_______
 A. The FIRE/OVHT TEST panel, M10445, is on the pilots aft control stand, P8.
 TASK 26-11-02-024-001
 2.  Remove the Panel________________
 A. Remove the panel.
 S 864-002
 (1)  Open this circuit breaker on the overhead circuit breaker panel, P11, and attach a DO-NOT-CLOSE tag:
 (a)  11A32, INDICATOR LIGHTS 1
 S 024-003
 (2)  Remove the FIRE/OVHT TEST panel.
 TASK 26-11-02-424-004
 3.  Install the Panel_________________
 A. References
 (1)  
24-22-00/201, Electrical Power - Control

 (2)  
31-41-00/501, Engine Indication and Crew Alerting System (EICAS)

 (3)  
31-51-00/501, Warning System

 (4)  
33-16-00/501, Master Dim and Test

 B. Install the FIRE/OVHT TEST Panel.
 S 864-005
 (1)  Remove the DO-NOT-CLOSE tag and close this circuit breaker on the overhead circuit breaker panel, P11:
 (a)  11A32, INDICATOR LIGHTS 1
 C. Do a test of the Panel Installation:
 S 864-006
 (1)  
Supply electrical power (Ref 24-22-00).

 S 754-007

 (2)  
Make sure these systems operate:

 (a)  
EICAS (Ref 31-41-00).

 (b)  
Warning System (Ref 31-51-00).

 (c)  
Master Dim and Test System (Ref 33-16-00).

 S 754-008
 (3) Make sure these circuit breakers on the P11 panel are closed:
　
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