(2)
Pull the air conditioning panel 30VU (2) from its housing. Do not disconnect the electrical connectors from the rear plate (3).
(3)
Disconnect the electrical connector (4).
(4)
Put a blanking cap on the electrical connector (4).
(5)
Loosen the two screws (11).
(6)
Pull the knob (10) from its shaft.
(7)
Remove the nut (9).
(8)
Remove the washer (8).
(9)
Remove the potentiometer (5).
Temperature Selector
Figure 401/TASK 21-63-11-991-001
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TASK 21-63-11-400-001
Installation of the Temperature Selector (27HK,28HK,29HK)
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
21-63-00-710-004 Operational Test of the Cockpit and Cabin Temperature Control with CFDS/MCDU 21-63-11-991-001 Fig. 401
3. Job Set-up
__________
Subtask 21-63-11-865-051
A. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
-------------------------------------------------------------------------------
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
49VU AIR COND/FLOW/CTL &/IND1 1HB D07 **ON A/C ALL
49VU AIR BLEED/X FEED/VALVE/BAT 2HV D13 49VU AIR BLEED/ENG 1/CTL 3HA1 D12 49VU AIR BLEED/ENG 1/MONG 2HA1 D11 49VU AIR COND/RAM/AIR/INLET 1HZ D10
-------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
-------------------------------------------------------------------------------
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
122VU AIR COND/FLOW/CTL AND IND/2 2HB V21 122VU AIR COND/ZONE TEMP CTL/28VDC/SYS2 4HK V20 122VU AIR COND/ZONE TEMP CTL/28VDC/SYS1 3HK V19 122VU AIR COND/ZONE TEMP CTL/115VAC/SYS2 2HK V18 122VU AIR COND/ZONE TEMP CTL/115VAC/SYS1 1HK V17
**ON A/C ALL
122VU AIR BLEED/ENG 2/CTL 3HA2 Z23 122VU AIR BLEED/ENG 2/MONG 2HA2 Z22 122VU AIR BLEED/X FEED VALVE/NORM 1HV Z20
4. Procedure_________ (Ref. Fig. 401/TASK 21-63-11-991-001)
Subtask 21-63-11-420-050
A. Install the temperature selector:
(1)
Install the potentiometer (5). Put the locating stud (6) at the top opposite the black mark (7).
(2)
Install the washer (8).
(3)
Install the nut (9) and tighten it.
(4)
Align the knob (10) with the flat of the shaft.
(5)
Push the knob until it is fully engaged.
(6)
Moderatily tighten the two screws (11).
(7)
Remove the blanking cap from the electrical connector (4) and make sure that the electrical connector is in the correct condition.
(8)
Connect the electrical connector (4).
(9)
Put the panel 30VU (2) in its housing.
(10) Turn the 4 QAD fasteners (1) one quarter turn.
________
5. Close-up
Subtask 21-63-11-865-052
A. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 2HA1, 3HA1, 2HA2, 3HA2, 1HZ, 1HV, 2HV, 1HK, 2HK, 3HK, 4HK, 2HB, 1HB
Subtask 21-63-11-710-050
B. Do an operational test of the cockpit and cabin temperature control (Ref. TASK 21-63-00-710-004).
Subtask 21-63-11-942-050
C. Make sure that the work area is clean and clear of tool(s) and other items.
SENSOR - DUCT TEMPERATURE (15HK,16HK,17HK) - REMOVAL/INSTALLATION
_________________________________________________________________ TASK 21-63-15-000-001 Removal of the Duct Temperature Sensors 15HK, 16HK and 17HK WARNING : MAKE SURE THAT AIR IS NOT SUPPLIED TO THE AIR CONDITIONING SYSTEM
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