(8)
 Remove the clamps (30) and disconnect the sleeves (29).

 (9)
 Remove the clamps (28) and disconnect the sleeves (27).

 (10)
 Remove the nut (4), the washer (3), the bolt (1), the washer (5) and disconnect the tie-rod (2).

 (11)
 Hold the mixer unit (33) and remove the nuts (11), the bolts (13) and the washers (12).

 (12)
 Remove the mixer unit (33).

 (13)
 Put blanking plugs on the open ends of:

 -
the mixer unit (33),

 -
the supply ducts (45) and (47),

 -
the sleeves (9), (20), (27) and (29).

 -
the flanges (55) and (56).

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 Mixer Unit.
 Figure 401/TASK 21-21-43-991-001- 13 (SHEET 1)

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 Mixer Unit.
 Figure 401/TASK 21-21-43-991-001- 23 (SHEET 2)

R 1EFF : 001-049, 051-099, 101-105, 151-199, 1 21-21-43Page 407 1201-299, 301-302, 1May 01/05 1 1 1CES 1

 Mixer Unit.
 Figure 401/TASK 21-21-43-991-001- 33 (SHEET 3)

R 1EFF : 001-049, 051-099, 101-105, 151-199, 1 21-21-43Page 408 1201-299, 301-302, 1May 01/05 1 1 1CES 1

 INTENTIONALLY BLANK

R 1 1

21-21-43Page 409
1 1 Feb 01/05 1 1 1CES 1

 Mixer Unit.
 Figure 401A/TASK 21-21-43-991-001-A13 (SHEET 1)

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 Mixer Unit.
 Figure 401A/TASK 21-21-43-991-001-A23 (SHEET 2)

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 Mixer Unit.
 Figure 401A/TASK 21-21-43-991-001-A33 (SHEET 3)

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 Installation of the Mixer Unit
 WARNING : MAKE SURE THAT AIR IS NOT SUPPLIED TO THE AIR CONDITIONING SYSTEM
_______
 FROM THE MAIN ENGINE, THE APU OR A GROUND SOURCE.
 HOT COMPRESSED AIR CAN CAUSE INJURY TO PERSONNEL.

 1. Reason for the Job
__________________
 Self Explanatory
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------
REFERENCE  QTY DESIGNATION
 -------------------------------------------------------------------------------
No specific  blanking plugs
 No specific  corrosion-resistant steel lockwire 0.6 mm
 (0.0236 in.)
 No specific access platform 2 m (6 ft. 7 in.)
 No specific Torque Wrench : range 0.00 to 1.20 m.daN

 (0.00 to 9.00 lbf.ft)
 B. Expendable Parts
 -------------------------------------------------------------------------------
FIG.ITEM |DESIGNATION  |IPC-CSN
 -------------------------------------------------------------------------------
6 insulation  21-63-03 07 -160
 6 insulation  21-63-03 07A-160
R  6 insulation 21-63-03 07A-160A 7 insulation 21-63-03 07 -170 7 insulation 21-63-03 07A-170
R  7 insulation 21-63-03 07A-170A 24 seal 21-21-02 43D-050 31 O-rings 21-63-03 10 -050 40 cable-ties 21-63-03 07 -190 40 cable-ties 21-63-03 07A-190 46 flange gaskets 21-63-03 07 -200 46 flange gaskets 21-63-03 07A-200 C. Referenced Information

 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
12-33-21-618-001 Pre-conditioning through the HP Ground Connection 12-33-21-618-001 Pre-conditioning with the APU 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 25-54-12-000-001 Removal of the FWD Cargo Compartment Partition FR34 25-54-12-400-001 Installation of the FWD Cargo Compartment Partition
 FR34 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
 **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,
 21-21-43-991-001 Fig. 401
R **ON A/C 106-149, 303-399, 401-499,
 21-21-43-991-001-A Fig. 401A
 **ON A/C ALL
 3. Job Set-up
__________
 Subtask 21-21-43-860-051
　
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