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____ ground during a subsequent system test.
 (c)  Apply a very light layer of DC-4 silicone grease to the copper sealing gasket on the plug connector.
 NOTE: Do not get grease in the connector or on the
____ connector pins or contacts.
 S 434-021
 (5)  AIRPLANES WITH PIN-SOCKET CONNECTORS; Carefully engage contact pins into receptacles and tighten the electrical connectors from 50 to 70 pound-inches.
 NOTE: The pin plug (male connector) engages to the socket
____ receptacle (female connector). The socket plug (female connector) engages to the pin receptacle (male connector).
 (a)  Lockwire the electrical connectors together.
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 S 434-022
 (6)  AIRPLANES WITH TERMINAL LUG CONNECTORS; Attach the terminal lug connectors with the screw, washer, and nut.
 (a)  Align the lug on the wire with the center line of the terminal lug.
 S 434-025
 (7)  
Hold the screw while you tighten the nut.

 S 954-026

 (8)  
Do a check of the electrical bond between electrical connector and the engine (SWPM 20-20-00).

 NOTE: The Resistance must be less than 0.005 ohm.
____
 TASK 26-11-11-714-027
 4.  Detector Element Operational Test
_________________________________
 A.  References
 (1)  AMM 24-22-00/201, Manual Control
 B.  Do a Test of the Detector Element.
 S 864-028
 (1)  
Supply electrical power (AMM 24-22-00/201).

 S 864-029

 (2)
Make sure these circuit breakers on the P6-2 panel are closed:

 (a)  
FIRE PROTECTION DETECTION - ENG 1

 (b)  
FIRE PROTECTION DETECTION - ENG 2

 (c)  
FIRE PROTECTION DETECTION - APU

 

 S 984-034
 (3)  Set the TEST switch on the P8-1 panel to the OVHT/FIRE position and hold.
 (a)  Make sure these indications occur:
 1)  These lights on panel P8-1 come on: a) ENG 1 OVERHEAT b) ENG 2 OVERHEAT c) the fire handle for engine 1 d) the fire handle for engine 2 e) APU fire handle
 2)  These lights on panel P7 are on: a) both FIRE WARN lights b) both MASTER CAUTION lights c) OVHT/DET annunciator
 3)  The alarm bell in the control cabin comes on.
 S 984-035
 (4)  Release the TEST switch on the P8-1 panel.
 (a)  Make sure all indications stop.
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 C.  Put the Airplane Back to Its Usual Condition____________________________________________
 S 244-030
 (1)  
Close the fan cowl panel (AMM 71-11-02/201) or fan duct cowl and thrust reverser halves (AMM 78-31-00/201).

 S 034-031

 (2)  
Remove electrical power if it is not necessary (AMM 24-22-00/201).

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 LAVATORY SMOKE DETECTION SYSTEM - DESCRIPTION AND OPERATION
___________________________________________________________
 1.  General
_______
 A.  A smoke detector is installed in or near the ceiling of each lavatory and is connected to the airplane DC bus number 1. A green indicator light on the detector comes on when power is applied to the detector. The detector monitors the air for presence of smoke or equivalent contaminants. When the concentration of smoke at the sensor gets to a preset threshold, the smoke detector alarm occurs.
　
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