-
remove the cabin pressure controller 1 (11HL) (Ref. TASK 21-31-34-000-001)

 -
remove the pack 1 temperature controller (47HH) (Ref. TASK 21-61-34-000-002)

 -
remove the FWD Cargo Heat Controller (1HC) (Ref. TASK 21-43-34-000-001), if installed.

R 1EFF : 106-149, 303-399, 401-499, 1 12-21-13Page 713 1 1 Aug 01/05 1 1 1CES 1

R  (o) On the shelf 96VU: 
R  - remove the pack 2 temperature controller (57HH) (Ref. TASK 21-
R  61-34-000-002) 
R  - remove the cabin pressure controller 2 (12HL) (Ref. TASK 21-31-
R  34-000-001) 
R  - remove the BMC 2 (1HA2) (Ref. TASK 36-11-34-000-001) 
R  - remove the AFT cargo heat controller (10HC) (Ref. TASK 21-43-
R  34-000-002), if installed 
R  - remove the EGIU 2 (22XU2) (Ref. TASK 24-22-33-000-001) 
R  - remove the ILS Receiver 2 (2RT2) (Ref. TASK 34-36-31-000-001) 
R  or the Multi Mode Receiver 2 (40RT2) (Ref. TASK 34-36-31-000-
R  002). 
R  (p) On the shelf 109VU: 
R  - remove the Weather Radar transceivers 1 and 2 (1SQ1, 1SQ2) 
R  (Ref. TASK 34-41-33-000-004), if installed. 
R  (5) Removal of the rack assy. 
R  (Ref. Fig. 702/TASK 12-21-13-991-002) 
R  (a) On the shelves 81VU, 82VU, 83VU, 84VU, 85VU, 86VU, 87VU, 88VU, 
R  109VU, 91VU, 92VU, 93VU, 94VU, 95VU, 96VU: 
R  - remove the rack assy. 
R  **ON A/C ALL
 4. Procedure_________
 Subtask 12-21-13-160-050
 A. Cleaning of the Avionics Compartment and of the Cockpit (Panels 10VU and
 13VU)
 (1) Use a vacuum cleaner and a soft brush or a MISCELLANEOUS (Material
 No. 19-003) and clean:
 (a) the area where the units and computers were installed
 (b) the area of the rack assy.
 (c) all the faces of the removed units and computers
 (d) the avionics compartment
 (e) the ducts

 (f) the shelves.

 NOTE : Keep the vacuum cleaner out of the avionics compartment to
____ prevent new dust contamination in the avionics compartment.
 5. Close-up
________
R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,
 Subtask 12-21-13-410-050
 A. Close Access
 (1) Installation of the units in the cockpit
 (Ref. Fig. 701/TASK 12-21-13-991-001)

 NOTE : For computers with loadable software, software loading is not
____ necessary if you install the computer removed for access.
 (a)
 On the main instrument panel 10VU:

 -install the display units (2WT1, 2WT2, 3WT1, 3WT2, 4WT1, 4WT2) (Ref. TASK 31-63-22-400-001).

 (b)
 On the glareshield 13VU:

 -install the FCU (2CA) (Ref. TASK 22-81-12-400-001).
 (2)
 Installation of the rack assy.
 (Ref. Fig. 702/TASK 12-21-13-991-002)

 (a) On the shelves 81VU, 82VU, 83VU, 84VU, 85VU, 86VU, 87VU, 88VU, 109VU, 91VU, 92VU, 93VU, 94VU, 95VU, 96VU:
 -install the rack assy.

 (3)
 Installation of the computers in the avionics compartment (Ref. Fig. 702/TASK 12-21-13-991-002)

 NOTE : For computers with loadable software, software loading is not
____ necessary if you install the computer removed for access.
 (a)
 On the shelf 81VU:

 -
install the HF transceiver 1 (3RE1) (Ref. TASK 23-11-33-400-001), if removed

 -
install the ATC/Mode S transponder 1 (1SH1) (Ref. TASK 34-52-33-400-001)

 -
install the DME interrogator 1 (2SD1) (Ref. TASK 34-51-33-400-001)

 -
install the VOR/MKR receiver 1 (3RS1) (Ref. TASK 34-55-31-400-001)

 -
install the VHF transceivers 3 and 1 (1RC3, 1RC1) (Ref. TASK 23-12-33-400-001)

 -
install the AMU (1RN) (Ref. TASK 23-51-34-400-001)

 -
install the ADF receiver 1 (2RP1) (Ref. TASK 34-53-31-400-002)

 -
install the crypto voice unit (1RZ) (Ref. TASK 23-14-34-400-001), if removed.

 (b)
 On the shelf 82VU:

 -
install the ADF receiver 2 (2RP2) (Ref. TASK 34-53-31-400-002)

 -
install the VHF transceiver 2 (1RC2) (Ref. TASK 23-12-33-400-001)

 -
install the VOR/MKR receiver 2 (3RS2) (Ref. TASK 34-55-31-400-001)

 -
install the DME interrogator 2 (2SD2) (Ref. TASK 34-51-33-400-001)

 -
install the ATC/Mode S transponder 2 (1SH2) (Ref. TASK 34-52-33-400-001)
　
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