R Subtask 21-61-41-865-057
R B. Open, safety and tag this(these) circuit breaker(s):
R -------------------------------------------------------------------------------
R PANEL DESIGNATION IDENT. LOCATION
R -------------------------------------------------------------------------------
R FOR 10HM
R 122VU AIR COND/PACK TEMP/CTL SYS1/1/115VAC 1HH X22
R 122VU AIR COND/PACK TEMP/CTL SYS1/1/28VDC 3HH X21
R **ON A/C 106-149, 303-399,
R 122VU 4HH Y19
R **ON A/C 106-149, 159-199, 211-299, 301-399,
R 122VU AIR COND/PACK TEMP CTL SYS2/1/115VAC 2HH Y18
R **ON A/C 159-199, 211-299, 301-302,
R 122VU AIR COND/PACK TEMP CTL SYS2/1/28VDC 4HH Y19
R **ON A/C 106-149, 159-199, 211-299, 301-399,
R FOR 11HM
R 122VU AIR COND/PACK TEMP/CTL SYS1/2/115VAC 21HH W22
R 122VU AIR COND/PACK TEMP/CTL SYS1/2/28VDC 23HH W21
R 122VU AIR COND/PACK TEMP CTL SYS2/2/28VDC 24HH Y21
R 122VU AIR COND/PACK TEMP CTL SYS2/2/115VAC 22HH Y20
R Subtask 21-61-41-010-052
R C. Get Access
R (1) Remove the access panel(s) (Ref. TASK 53-35-13-000-002)
R (a) For FIN 25HH
R - 191KB.
R (b) For FIN 40HH
R - 192KB.
R 4. Procedure_________
R (Ref. Fig. 403/TASK 21-61-41-991-003)
R Subtask 21-61-41-020-054
R A. Removal of the Back Up Solenoid
R (1) At the back up solenoid (5), disconnect the electrical connector (1).
R (2) Put blanking caps on the disconnected electrical connectors.
R (3) Disconnect the sense line connectors (2) and (3).
R (4) Remove the nut (7), the washer (6), the screw (4) and the back up
R solenoid (5).
R (5) Put blanking plugs on the disconnected line ends.
R Back Up Solenoid R Figure 403/TASK 21-61-41-991-003
1EFF : 106-149, 159-199, 211-299, 301-399, 1 21-61-41Page 440 1 1 Aug 01/05 1 1 1CES 1
R TASK 21-61-41-400-003
R Installation of the Back Up Solenoid
R WARNING : MAKE SURE THAT AIR IS NOT SUPPLIED TO THE AIR CONDITIONING SYSTEM_______
R FROM THE MAIN ENGINE, THE APU OR A GROUND SOURCE.
R HOT COMPRESSED AIR CAN CAUSE INJURY TO PERSONNEL.
R NOTE : The procedure is the same for the back up solenoids 25HH and 40HH.____
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 Torque Wrench : range 0.00 to 1.20 m.daN
R (0.00 to 9.00 lbf.ft)
R B. Consumable Materials
R -------------------------------------------------------------------------------
R REFERENCE DESIGNATION
R -------------------------------------------------------------------------------
R Material No. 04-014A USA MIL-PRF-907
R HIGH TEMPERATURECOMPOUND (Ref. 20-31-00)
R C. Referenced Information
R -------------------------------------------------------------------------------R REFERENCE DESIGNATION R -------------------------------------------------------------------------------
R 12-33-21-618-001 R 12-33-21-618-001 R 21-61-00-710-001 R R 24-41-00-861-002 R R 24-41-00-862-002 R R 53-35-13-000-002 R R 53-35-13-400-002 R R 21-61-41-991-003
R 3. Job Set-up
__________
R Subtask 21-61-41-860-053 Pre-conditioning through the HP Ground Connection Pre-conditioning with the APU Operational Test of the Pack Temperature-Control System Energize the Aircraft Electrical Circuits from the External Power De-energize the Aircraft Electrical Circuits Supplied from the External Power Removal of the Quick-Release Access Panels from the Belly Fairing Structure Installation of the Quick-Release Access Panels on the Belly Fairing Structure Fig. 403
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