(1)
 Make sure that the parts retained from the removed component are clean and in the correct condition.

 (2)
 Clean the component interface and/or the adjacent area.

 (3)
 Do an inspection of the component interface and/or the adjacent area.

 (4)
 Remove the blanking plugs from the couplings (4) and the smoke detector (1).

 (5)
 Make sure that the couplings (4) have no blockage. If necessary clean the couplings with compressed air.

 (6)
 Install the tab (8) band the protective strip (9) on the smoke detector.

 (7)
 Install the new O-rings (3) on the couplings (4).

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 (8) Install the detector (1) on the ventilation duct (5).

 NOTE : Make sure that the locator of the smoke detector (1) is
____ correctly installed behind the label on the ventilation duct (5).
 (9) Close the clamp (6) on the detector (1) and tighten the locknut (7).
 (10)
 Remove the blanking caps from the electrical connectors.

 (11)
 Make sure that the electrical connectors are clean and in the correct condition.

 (12) Connect the electrical connector to the detector (1). Subtask 26-15-15-865-056
 B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 5HQ
 Subtask 26-15-15-710-052
 C. Operational Test
 (1) Do the operational test of the avionics smoke detection system from the MCDU. (Ref. TASK 26-15-00-710-001)
 5. Close-up
________ Subtask 26-15-15-410-051
 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Close the access door 824 (Ref. TASK 52-41-00-410-002).

 (3)
 Remove the access platform(s).

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 CARGO COMPARTMENT SMOKE DETECTION - DESCRIPTION AND OPERATION_____________________________________________________________ 
R
 1. General_______ 
R  **ON A/C 001-003, 
R  (Ref. Fig. 001) 
R  The cargo-compartment smoke-detection system is installed in the AFT cargo 
R  compartment. It gives a visual and aural warning in the cockpit, if smoke or 
R  fire is in the compartment. It is a dual loop system to prevent incorrect 
R  warnings. Four smoke detectors are installed in the AFT compartment with an 
R  AND-logic. The system includes: 
R  - the smoke detectors, 
R  - the smoke annunciator lights and a TEST pushbutton switch, 
R  - Smoke Detection Control Unit (SDCU). 
R  Indications are shown on the Electronic Centralized Aircraft Monitoring 
R  (ECAM) upper display unit. 
R  **ON A/C 004-049, 051-099, 101-105, 151-199, 201-299, 
R  (Ref. Fig. 001) 
R  The cargo-compartment smoke-detection system is installed in the cargo 
R  compartment. It gives a visual and aural warning in the cockpit, if smoke or 
R  fire is in the compartment. It is a dual loop system to prevent incorrect 
R  warnings. Two smoke detectors are installed in the FWD compartment and four 
R  smoke detectors in the AFT, with an AND-logic. The system Includes: 
R  - the smoke detectors, 
R  - the smoke annunciator lights and a TEST pushbutton switch, 
R  - Smoke Detection Control Unit (SDCU). 
R  Indications are shown on the Electronic Centralized Aircraft Monitoring 
R  (ECAM) upper display unit. 
R  **ON A/C 106-149, 301-399, 401-499, 
R  (Ref. Fig. 001A) 
R  The cargo-compartment smoke-detection system is installed in the cargo 
R  compartment. It gives visual and aural warnings in the cockpit, if smoke or 
R  fire is in the cargo compartment. Two smoke detectors are installed in the 
R  FWD compartment and four smoke detectors in the AFT. The system includes: 
R  - the smoke detectors, 
R  - the smoke annunciator lights and a TEST pushbutton switch,

 Cargo Compartment Smoke-Detection
 Figure 001

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