R 1EFF : 301-399, 401-499, 1 21-26-43Page 417 1 1 Config-2 Aug 01/05 1 1 1CES 1
R **ON A/C 301-399, 401-499,
Subtask 21-26-43-010-096
C. Get Access
(1) Make sure that the access platform is in position below the avionics-compartment aft door 824.
(2)
Make sure that the access door is open 824. Subtask 21-26-43-160-074
D.
Clean the component interface and/or the adjacent area. Subtask 21-26-43-210-082
E. Do an inspection of the component interface and/or the adjacent area.
4. Procedure
_________
(Ref. Fig. 403/TASK 21-26-43-991-032) Subtask 21-26-43-420-083
A. Installation of the Filter Assembly
(1)
Remove the blanking plugs from the disconnected line ends.
(2)
Put the filter housing (4) in position.
(3)
Install the screws (2) and the nuts (5) and tighten.
(4)
Install a new O-ring (7).
(5)
Install and tighten the clamp (6).
(6)
Install the drain hose (9).
(7)
Install and tighten the clamp (8).
(8)
Install the flexible sleeves (1) and (10) on the ducts (11) and (14).
(9)
Install and tighten the clamps (12) and (13).
(10) Make sure that the attachments (3) are correctly tightened.
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(11)
Turn the seven door fasteners of the filter housing (4) to open the door.
(12)
Install the filter cartridge (Ref. TASK 21-26-43-600-017).
(13)
Install the demister filter (Ref. TASK 21-26-43-600-016).
5. Close-up
________ Subtask 21-26-43-410-090
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). Subtask 21-26-43-865-123
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1HQ, 2HQ, 3HQ, 5HQ, 6HQ
Subtask 21-26-43-861-119
C. Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002). Subtask 21-26-43-862-114
D. De-energize the ground service network (Ref. TASK 24-42-00-862-001).
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R TASK 21-26-43-000-007 R Removal of the Filter Assembly (2081HM, 2082HM, 2083HM) R 1. Reason for the Job
__________________ R Self Explanatory R 2. Job Set-up Information
______________________
R A. Fixtures, Tools, Test and Support Equipment
R -------------------------------------------------------------------------------R REFERENCE QTY DESIGNATION R -------------------------------------------------------------------------------
R No specific circuit breaker(s) safety clip(s) R No specific access platform 1.6 m (5 ft. 3 in.) R No specific 1 PLUG - BLANKING
R B. Referenced Information
R -------------------------------------------------------------------------------R REFERENCE DESIGNATION R -------------------------------------------------------------------------------
R 21-26-43-600-018 R 21-26-43-600-019 R 24-41-00-862-002 R R 24-42-00-861-001 R R 21-26-43-991-033
R 3. Job Set-up
__________
R Subtask 21-26-43-862-115 Servicing of the Demister Filter (2081HM) Servicing of the Filter Cartridge (2082HM) De-energize the Aircraft Electrical Circuits Supplied from the External Power Energize the Ground Service Network from the External Power Fig. 404
R A. De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-R 002).
R Subtask 21-26-43-861-120
R B. Energize the ground service network (Ref. TASK 24-42-00-861-001).
R Subtask 21-26-43-865-124
R C. Open, safety and tag this(these) circuit breaker(s):
R -------------------------------------------------------------------------------
R PANEL DESIGNATION IDENT. LOCATION
R -------------------------------------------------------------------------------
R 49VU AIR COND/AVNCS VENT/CTL 6HQ D06
R 49VU AIR COND/AVNCS VENT/CTL 5HQ D05
R 122VU AIR COND/AVNCS/VENT/MONG 3HQ Y17
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