(b)
Make sure you can not hear the fire bell.
S 865-006
(3) Release the TEST switch.
(a) On the cargo fire control panel, look for this indication: 1) The FWD and AFT CARGO SMOKE light goes off.
TASK 26-16-00-735-007
3. Cargo Smoke Detection - System Test (Fig. 501)
_______________________________________________
A. General
(1) When the DET SEL switch is set to A, and any detector in loop A detects smoke, an alarm will occur. Similarly, when the DET SEL switch is set to B, and B loop detects smoke, the alarm will occur. When the DET SEL switch is set to NORM, smoke must be detected in loop A and loop B (any detector in both loops, they do not have to be a pair) before the alarm will occur.
NOTE: If you apply too much smoke to a detector, the excess smoke
____ could affect adjacent detectors. Try to limit the amount of smoke applied to each detector.
B. Equipment
(1) Generator (or alternative tool)
(a) Generator - Fog/Smoke Model 1600 86807 Rosco Laboratories 36 Bush Ave, Port Chester, NY 10573-3904
C. References
(1) AMM 24-22-00/201, Manual Control
D. Access
(1) Location Zones
208 Forward Cargo Compartment
218 Aft Cargo Compartment
101 Flight Compartment - Left
102 Flight Compartment - Right
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737-300/400/500MAINTENANCE MANUAL
E. Prepare for the Test
S 865-008
(1)
Supply Electrical Power (AMM 24-22-00/201).
S 865-009
(2)
Make sure that these circuit breakers are closed:
(a) Circuit Breaker Panel, P6 or P18
1) FWD CARGO SMOKE DETECTION A
2) FWD CARGO SMOKE DETECTION B
3) AFT CARGO SMOKE DETECTION A
4) AFT CARGO SMOKE DETECTION B
F. Do the Smoke Test
S 865-017
(1)
On the cargo fire control panel, set the FWD DET SELECT switch to A.
S 865-010
(2)
On the cargo fire control panel, set the AFT DET SELECT switch to NORM.
S 735-011
(3)
Use the smoke generator to make smoke adjacent to the forward left detector in the forward cargo compartment.
(a)
On the cargo fire control panel, look for these indications: 1) The FWD CARGO SMOKE light comes on.
(b)
On the Pilot's lightshield, P7, make sure these lights come on: 1) The Captain's and First Officer's FIRE WARN lights (Red)
(c)
Make sure you can hear the flight compartment fire bell.
S 865-012
(4)
On the cargo fire control panel, set the FWD DET SELECT and AFT DET SELECT switch to NORM.
(a) Make sure all the alarm indications stop.
(5)
Remove the smoke from the cargo compartment.
S 735-013
NOTE: If you do not remove the smoke from the cargo compartment
____ in less than 60 seconds, the smoke indications will occur again.
S 735-014
(6) Do the smoke test again for each of the other cargo compartment smoke detectors.
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