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 FIRE PROTECTION SYSTEM  ú ú 01 Page 402 ú Nov 15/97
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A

737-300/400/500MAINTENANCE MANUAL
DETECTOR PAN ASSEMBLY (REF)
ELECTRICAL
CONNECTOR

FWD
4. WASHER (4 LOCATIONS)
2. SMOKE DETECTOR
5. SCREW (4 LOCATIONS)
CERBERUS GUINARD B
DETECTOR PAN ASSEMBLY (REF)
ELECTRICAL CONNECTOR
FWD
4. WASHER (4 LOCATIONS)
2. SMOKE 5. SCREW DETECTOR (4 LOCATIONS)
WHITTAKER B
Cargo Bay Smoke Detector Installation Figure 401 (Sheet 2)
G88033
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A 737-300/400/500MAINTENANCE MANUAL

(4 LOCATIONS)
FENWAL

Cargo Bay Smoke Detector Installation
Figure 401 (Sheet 3)

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G88296
A 737-300/400/500MAINTENANCE MANUAL
 S 024-009
 (4)  
Remove the smoke detector (2).

 S 164-007

 (5)  
If it is necessary, clean the Cargo Compartment Smoke Detectors.

 TASK 26-16-01-404-008
 3. Cargo Compartment Smoke Detector Installation (Fig. 401)
_____________________________________________
 A. References
 (1)  
AMM 24-22-00/201, Manual Control

 (2)  
AMM 26-16-00/501, Cargo Compartment Smoke Detection System

 B. Access
 (1)  
Location Zones
 208 Forward Cargo Compartment
 218 Aft Cargo Compartment

 (2)  
Access Panels
 4404R, Forward Cargo Compartment Door
 4405R, Aft Cargo Compartment Door

 C. Prepare for the Installation
 S 864-010
 (1)  Make sure that these circuit breakers are open:
 (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

 S 014-011
 (2) Open the applicable (forward or aft) cargo compartment door.
 D. Install the Smoke Detector
 S 034-012
 (1)
Connect the electrical connector to the smoke detector (2).

 S 024-013

 (2)  
Put the smoke detector (2) in its position in the detector pan assembly.

 S 034-014

 (3)  
Install the screws (5) and washers (4) to hold the smoke detector

 (2) in its position.
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A
737-300/400/500MAINTENANCE MANUAL
 S 034-015
 (4)
Put the screen (1) on the cargo ceiling over the smoke detector (2).

 S 034-016

 (5)
Install the screws (3) to hold the screen (1) in its position.

 E. Do the Installation Test
 S 864-017
 (1) Remove the DO-NOT-CLOSE tag and close this circuit breaker:
 (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

 S 714-018
 (2)  Push the TEST switch on the Cargo Fire Control Panel.
 (a)
Make sure the DETECTOR FAULT light stays off.

 (b)
Make sure the red FWD and AFT ARM lights come on.
　
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