S 432-015

 (5)
Tighten the screws that hold the ceiling bracket in position.

 S 432-016

 (6)
Attach the faceplate to the smoke detector case with two screws.

 S 862-017

 (7)  
Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P11 panel:

 (a)  
11N8, PASS CALL/LAV SMOKE LEFT

 (b)  
11N9, PASS CALL/LAV SMOKE RIGHT

 E. Lavatory Smoke Detector Test
 S 862-020
 (1)  
Supply electrical power (AMM 24-22-00).

 S 752-019

 (2)  
Make sure that the green power indicator lamp on the smoke detector is on.

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 S 862-018
 (3)  Remove electrical power if it is not necessary.
 TASK 26-14-01-102-035
 4. Clean the Lavatory Smoke Detector
_________________________________
 A. Equipment
 (1)  
Standard screwdriver

 (2)  
Pocket scale/ruler

 B. Consumable Materials
 (1)  
Ethyl alocohol, spec 0-E-760 or 0-A-396 or Isopropyl alcohol, spec TI-I-735 (Ref 20-30-02)

 (2)  
Synthetic detergent

 (3)  
Warm water

 (4)  
Dry compressed air

 (5)  
Rubber gloves

 C. References
 (1)  AMM 26-14-00/501, Lavatory Smoke Detection
 D. Access
 (1)  Location Zones
 200 Upper Half of Fuselage
 211/212 Flight Compartment
 119/120 Main Equipment Center

 E. Clean the Smoke Detector (Fig. 202)
 S 162-036
 WARNING: YOU MUST CLEAN THE DETECTOR IN A WELL VENTILATED AREA WITHOUT
_______ HOT SURFACES, FLAME OR SPARKS. WEAR RUBBER GLOVES DURING THE PROCEDURE OR INJURY TO PERSONNEL CAN OCCUR.
 (1)  
Remove the dirt from the exterior of the smoke detector with a clean, lint-free cloth saturated with ethyl or isopropyl alcohol.

 S 032-023

 (2)  
Do these steps to remove the Smoke Sensor from the Smoke Dectecor:

 (a)  
Insert the pocket scale between the smoke sensor and the faceplate.

 (b)  
Push the lock release lever with the pocket scale and then pull out the smoke sensor.

 S 032-024
 (3)
Slide the standard screwdriver between the smoke sensor and the sensor cover and twist it to release the lock on the cover.

 (4)  
Remove the cover from smoke sensor assembly.

 S 032-025
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 S 032-026 CAUTION: DO NOT TOUCH THE ELECTRODE INSIDE OF THE SMOKE SENSOR ASSEMBLY
_______ OR DAMAGE TO THE SENSOR CAN OCCUR.
 (5)  
Pull out the mesh from the sensor assembly. S 212-027

 (6)  
Examine the mesh for dirt or other contamination. S 142-028

 (7)  
If the mesh is dirty, wash the mesh with a synthetic detergent and luke warm water.

 S 422-029

 (8)  
If the mesh is excessively dirty, replace it with a new mesh. S 162-030

 (9)  
Dry the mesh completely with dry compressed air.

 S 162-031
 CAUTION:_______DO NOT BLOW VIOLENTLY INTO THE SENSOR ASSEMBLY. THIS CAN CAUSE STATIC CHARGE ON THE ELECTRODES WHICH CAN CAUSE DAMAGE TO THE SENSOR.
 (10)
 Blow out any dirt or particles in the sensor assembly. S 432-032

 (11)
 Install the mesh on the sensor assembly. S 432-033

 (12)
 Align the cover with the applicable hole in the sensor assembly and install the cover.
　
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