(2)
Do the System Test of the Engine Fire Detection System
(a) The system test is a full check of the engine fire-detection system.
2. Do the Operational Test of the Engine Fire Detection System
A. Prepare to do the Operational Test
(1)
Supply electrical power (Ref 24-22-0, MP).
(2)
Make sure these circuit breakers are closed:
(a) P6 Load Control Center - Right
1) MASTER WARN & CONTROL
2) C405 FIRE PROT DET ENG-1
3) C407 FIRE PROT DET ENG-2
4) APU FIRE DET
5) MASTER CAUTION BAT (two)
6) INDICATOR LIGHTS MASTER DIM (nine)
7) DIM AND TEST CONTROL
(3)
Open these circuit breakers:
(a) P6 Load Control Center - Right 1) WHEEL WELL WING AND LWR BODY OVHT 2) CARGO SMOKE (Passenger/Cargo Convertible Airplanes)
(4)
Move the two OVHT DET switches on the P8-1 panel to the NORM position.
B. Procedure
(1)
Open the FIRE PROTECTION DETECTION ENG 2 circuit breaker on the P6-2 panel.
(2)
Hold the TEST switch on the P8-1 panel to the FIRE position.
(3)
Make sure these lights on the P8-1 panel come on:
(a)
All of the lights in the engine-1 fire switch
(b)
All of the lights in the APU fire switch
(4)
Make sure the two FIRE WARN lights on the P7 panel come on.
(5)
Make sure the alarm bell in the control cabin operates.
(6)
Release the TEST switch on the P8-1 panel.
(7)
Make sure these lights on the P8-1 panel go off:
(a)
All of the lights in the engine-1 fire switch
(b)
All of the lights in the APU fire switch
(8)
Make sure the two FIRE WARN lights on the P7 panel go off.
5C8
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(9)
Make sure the alarm bell in the control cabin makes no sound.
(10)
Close the FIRE PROTECTION ENG. 2 circuit breaker on the P6-2 panel.
(11)
Open the FIRE PROTECTION DETECTION ENG. 1 circuit breaker on the P6-2 panel.
(12)
Hold the TEST switch on the P8-1 panel to the FIRE position.
(13)
Make sure these lights on the P8-1 panel come on:
(a)
All of the lights in the engine-2 fire switch
(b)
All of the lights in the APU fire switch
(14)
Make sure the two FIRE WARN lights on the P7 panel come on.
(15)
Make sure the alarm bell in the control cabin operates.
(16)
Release the TEST switch on the P8-1 panel.
(17)
Make sure these lights on the P8-1 panel go off:
(a)
All of the lights in the engine-2 fire switch
(b)
All of the lights in the APU fire switch
(18)
Make sure the two FIRE WARN lights on the P7 panel go off.
(19)
Make sure the alarm bell in the control cabin makes no sound.
(20)
Close the FIRE PROTECTION ENG 1 circuit breaker on the P6-2 panel.
(21)
Hold the TEST switch on the P8-1 panel to the OVHT position.
(22)
Make sure these lights on the P8-1 panel come on:
(a)
The ENG. 1 OVERHEAT light
(b)
The ENG. 2 OVERHEAT light
(23)
Make sure these lights on the P7 panel come on:
(a)
The two MASTER CAUTION lights
(b)
The OVHT/DET annunciator
(24)
Release the TEST switch on the P8-1 panel.
(25)
Make sure these lights on the P8-1 panel go off:
(a)
The ENG. 1 OVERHEAT light
(b)
The ENG. 2 OVERHEAT light
(26)
Make sure these lights on the P7 panel go off:
(a)
The two MASTER CAUTION lights
(b)
The OVHT/DET annunciator
(27)
Move the two OVHT DET switches on the P8-1 panel to the FIRE position.
(28)
Hold the TEST switch on the P8-1 panel to the FIRE position.
(29)
Make sure these lights on the P8-1 panel come on:
(a)
All of the lights in the engine-1 fire switch
(b)
All of the lights in the engine-2 fire switch
(c)
All of the lights in the APU fire switch
(30)
Make sure the two FIRE WARN lights on the P7 panel come on.
(31)
Make sure the alarm bell in the control cabin operates.
(32)
Release the TEST switch on the P8-1 panel.
(33)
Make sure these lights on the P8-1 panel go off:
(a)
All of the lights in the engine-1 fire switch
(b)
All of the lights in the engine-2 fire switch
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