-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the Smoke Detector TEST PLUG  On the voltmeter: ASSEMBLY:
 -read the voltage shown on the  - the voltage is between 4 and 5 V DC. voltmeter.
 Subtask 26-16-00-720-051
 B. Test of the Cargo-Compartment Smoke-Detector Sensitivity (photo-electric type smoke detector)
 NOTE : This paragraph is only applicable to photo-electric type
____ smoke-detectors P/N PPA1100-00, PPA1101-00 and PPA1102-00.
 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the Smoke Detector TEST PLUG  On the multimeter: ASSEMBLY:
 -read the resistance shown on  - the resistance is between 200 OHMS the multimeter. and infinity.
 **ON A/C 001-003,
 Subtask 26-16-00-420-051
 C. Connect the Smoke Detector
 (1)
 Disconnect the electrical connectors of the TEST PLUG ASSEMBLY.

 (2)
 Connect the electrical connector 3WH-A to the smoke detector 3WH.

 **ON A/C 004-049, 051-099, 101-105, 151-199, 201-299,
 Subtask 26-16-00-420-051-A
 C. Connect the Smoke Detector
 (1) Disconnect the electrical connectors of the TEST PLUG ASSEMBLY.
 (2) Connect the electrical connector 1WH-A to the smoke detector 1WH. **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299,
 Subtask 26-16-00-869-050-B
 D. Do para's 3D to 4D for each remaining cargo-compartment smoke-detectors. Subtask 26-16-00-710-067
 E. Do the Operational Test of the Cargo-Compartment Smoke-Detection system by PTT (Ref. TASK 26-16-00-710-001).
 5. Close-up
________ **ON A/C 001-003,
 Subtask 26-16-00-410-051
 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Close the AFT cargo-compartment door 826 (Ref. TASK 52-30-00-860-002).

 (3)
 Remove the access platform(s).

 **ON A/C 004-049, 051-099, 101-105, 151-199, 201-299,
 Subtask 26-16-00-410-051-A
 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Close the FWD cargo-compartment door 825 (Ref. TASK 52-30-00-860-002).

 (3)
 Close the AFT cargo-compartment door 826 (Ref. TASK 52-30-00-860-002).

 (4) Remove the access platform(s). **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299,
 Subtask 26-16-00-862-059
 B. De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).

 **ON A/C ALL

 TASK 26-16-00-710-008
 Operational Test of the Ground Cooling Isolation Valve to Verify Closing in Case of Smoke Warning
 1. Reason for the Job
__________________
 Refer to the MPD TASK: 212800-03
 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
52-30-00-860-002  Close the FWD or AFT Cargo-Compartment Door with the Yellow Electric Pump
 3. Job Set-up
__________ Subtask 26-16-00-865-061
 A. Make sure that this(these) circuit breaker(s) is(are) closed:
 -------------------------------------------------------------------------------PANEL DESIGNATION FIN LOCATION -------------------------------------------------------------------------------122VU AIR COND/AFT CARGO VENT/CTL AND/MONG 31HN 20 S or alternative location :-
49VU AIR COND/AFT CARGO/VENT/CTL & MONG  31HN 07 C

 4. Procedure
_________

 Subtask 26-16-00-710-058
 A. Test of the Ground Cooling Isolation Valve
 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1.
 In the AFT cargo-compartment: - open the BULK cargo door.

2.
 On the CARGO HEAT panel 22VU:

-push and hold the SMOKE/TEST pushbutton switch for 20 s.
-release the SMOKE/TEST pushbutton switch.

3.
 In the AFT cargo-compartment:

-close the BULK cargo door.
In the AFT cargo-compartment:
-
the ground cooling isolation valve opens.

On the glareshield Panels 180VU and131VU:
　
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