(c)
Make sure you hear the alarm bell in the control cabin.
(d)
Make sure the horn and the fire warning light in the main wheel well come on and go off continuously.
S 865-146
(11) Release the TEST switch on the P8-1 panel.
(a) Make sure there are no fire indications.
S 865-133
(12) Try to pull the engine 1 and engine 2 fire switches on the P8-1 panel; the switches must stay in the locked position.
S 865-052
CAUTION: DO NOT TURN THE FIRE SWITCH WHILE IT IS IN THE OUT POSITION.
_______ THE CONTENTS OF THE FIRE EXTINGUISHER BOTTLE WILL BE LET OUT.
(13)
Push the override button below the engine-1 fire switch.
S 865-147
(14)
Pull up on the engine-1 fire switch, the lock should be released and the switch pulled out.
S 865-077
(15)
Push the override button below the engine-2 fire switch.
S 865-078
(16)
Pull up on the engine-2 fire switch, the lock should be released and the switch pulled out.
(17)
Push in the engine-1 fire switch to close.
(18)
Push in the engine-2 fire switch to close.
S 755-084
(19)
Make sure the two OVHT DET switches on the P8-1 panel are in the NORMAL position.
S 865-081
S 865-082
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
26-11-00
ALL ú ú 03A Page 517 ú Jul 15/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
J. Do the test of the circuits that stop the aural and visual fire warnings.
S 865-085
(1) Hold the TEST switch on the P8-1 panel to the OVHT/FIRE position.
(a)
Make sure these lights on the P8-1 panel come on: 1) the ENG 1 OVERHEAT light 2) the ENG 2 OVERHEAT light 3) all of the lights in the engine-1 fire switch 4) all of the lights in the engine-2 fire switch 5) all of the lights in the APU fire switch.
(b)
Make sure these lights on the P7 panel come on: 1) the two FIRE WARN lights 2) the two MASTER CAUTION lights 3) the OVHT/DET annunciator.
(c)
Make sure you hear the alarm bell in the control cabin.
(d)
Make sure you hear the warning horn in the wheel well.
(e)
Make sure the fire warning light in the main wheel well flashes.
S 865-086
(2) Push the BELL CUTOUT switch, on the Fire Control Panel, P8-1.
NOTE: If you push the HORN CUTOUT switch on the P28 panel, or either of the FIRE WARN lights on the P7 panel, the same conditions will occur. The BELL CUTOUT switch, the HORN CUTOUT switch, and the FIRE WARN switches cause the same resets, but from different locations.
(a)
Make sure the alarm bell stops immediately.
(b)
Make sure the warning horn stops after approximately three seconds.
(c)
Make sure the two FIRE WARN lights go off.
(d)
Make sure the fire warning light in the wheel well comes on continuously.
S 865-182
(3) Release the TEST switch on the P8-1 panel.
K. Do the test of the two loops of the fire warning system.
S 865-106
(1)
Move the two OVHT DET switches from the NORMAL position to the loop A position.
S 865-107
(2)
Hold the TEST switch on the P8-1 panel to the OVHT/FIRE position.
(a) Make sure these lights on the P8-1 panel come on: 1) the ENG 1 OVERHEAT light
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
26-11-00
ALL ú ú 02A Page 518 ú Jul 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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