3. Job Set-up
__________ Subtask 26-15-15-010-051
 A. Get Access
 (1) Make sure that the access platform is in position.
 (2) Make sure that the access door 824 is open. Subtask 26-15-15-865-051
 B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU AIR COND/AVNCS VENT/CTL 5HQ D05
 4. Procedure
_________
 (Ref. Fig. 401/TASK 26-15-15-991-001) Subtask 26-15-15-420-050
 A. Installation of the Smoke Detector
 (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 26-15-15-865-052
 B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 5HQ
 Subtask 26-15-15-710-050
 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 26-15-15-410-050
 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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 TASK 26-15-15-400-002
 Installation of the Smoke Detector (1WA) - Avionics Compartment

 1.
 Reason for the Job

__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
 -------------------------------------------------------------------------------
No specific compressed air
 No specific access platform 1.6 m (5 ft. 3 in.)

 B. Expendable Parts
 -------------------------------------------------------------------------------
FIG.ITEM |DESIGNATION |IPC-CSN
 -------------------------------------------------------------------------------
O-rings 26-15-01 01 -020
 C. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
26-15-00-710-001 Operational Test of the Avionics Smoke Detection 52-41-00-410-002 Close the Avionics Compartment Doors after Access 26-15-15-991-001 Fig. 401
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 3. Job Set-up
__________

 Subtask 26-15-15-010-053
 A. Get Access
 (1) Make sure that the access platform is in position.
 (2) Make sure that the access door 824 is open. Subtask 26-15-15-865-055
 B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU AIR COND/AVNCS VENT/CTL 5HQ D05
　
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