(6) Remove the access platform(s).
Subtask 26-16-00-862-053
C. De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
**ON A/C 001-049, 051-099, 101-105, 151-199, 201-299,
TASK 26-16-00-720-001
Functional Test of the Cargo-Compartment Smoke-Detector Sensitivity
1. Reason for the Job
__________________
Refer to the MPD TASK: 261600-01
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s)
No specific multimeter
No specific test plug
No specific access platform 1.6 m (5 ft. 3 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power 26-16-00-710-001 Operational Check of Cargo-Compartment Smoke-Detection by PTT 52-30-00-860-001 Open the FWD or AFT Cargo-Compartment Door with the Yellow Electric Pump 52-30-00-860-002 Close the FWD or AFT Cargo-Compartment Door with the
Yellow Electric Pump 26-16-00-991-001 Fig. 501 26-16-00-991-002 Fig. 502 26-16-00-991-003 Fig. 503
3. Job Set-up
__________
Subtask 26-16-00-861-053
A. Energize the aircraft electrical circuits
(Ref. TASK 24-41-00-861-002).
Subtask 26-16-00-865-051
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU AIR COND/SDCU/CHAN1 11WQ C06 122VU AIR COND/SDCU/CHAN2 12WQ T18
**ON A/C 001-003,
Subtask 26-16-00-010-050
C. Get Access
(1) Put the access platform below the AFT cargo-compartment door 826.
(2) Open the AFT cargo-compartment door 826 (Ref. TASK 52-30-00-860-001). Subtask 26-16-00-020-051
D. Disconnect the Smoke Detector
(1) Disconnect the electrical connector 3WH-A from the smoke detector 3WH.
Subtask 26-16-00-480-050
E. Connect a test plug and a multimeter between the smoke detector 3WH and the electrical connector 3WH-A (Ref. Fig. 501/TASK 26-16-00-991-001, 502/TASK 26-16-00-991-002, 503/TASK 26-16-00-991-003)
NOTE : Make sure that the input resistance of the multimeter is at least
____
10 MEG OHMS.
Smoke-Detector Test Plug Assembly
Figure 501/TASK 26-16-00-991-001
Test Plug Assembly for Photo-Electric Type Smoke Detector
Figure 502/TASK 26-16-00-991-002
Cargo-Compartment Smoke Detector - Visual Identification
Figure 503/TASK 26-16-00-991-003
**ON A/C 004-049, 051-099, 101-105, 151-199, 201-299,
Subtask 26-16-00-010-050-A
C. Get Access
(1)
Put the access platform below the FWD cargo-compartment door 825.
(2)
Put the access platform below the AFT cargo-compartment door 826.
(3)
Open the FWD cargo-compartment door 825 (Ref. TASK 52-30-00-860-001).
(4) Open the AFT cargo-compartment door 826 (Ref. TASK 52-30-00-860-001). Subtask 26-16-00-020-051-A
D. Disconnect the Smoke Detector
(1) Disconnect the electrical connector 1WH-A from the smoke detector 1WH.
Subtask 26-16-00-480-050-A
E. Connect a test plug and a multimeter between the smoke detector 1WH and the electrical connector 1WH-A (Ref. Fig. 501/TASK 26-16-00-991-001, 502/TASK 26-16-00-991-002, 503/TASK 26-16-00-991-003)
NOTE : The minimum input resistance of the multimeter must be 10 MEG
____
OHMS.
**ON A/C 001-049, 051-099, 101-105, 151-199, 201-299,
Subtask 26-16-00-865-052
F. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 11WQ, 12WQ
4. Procedure
_________ Subtask 26-16-00-720-050
A. Test of the Cargo-Compartment Smoke-Detector Sensitivity (ionization type smoke detector)
NOTE : This paragraph is only applicable to ionization type
____
smoke-detectors P/N PAI2800-01.
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