TASK 21-21-44-400-002
Installation of the Third (Fourth) Occupant Individual Air-Outlet (4502HM, 4503HM)
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-42-00-861-001 Energize the Ground Service Network from the External Power 24-42-00-862-001 De-energize the Ground Service Network Supplied from the External Power 21-21-44-991-002 Fig. 402
3. Job Set-up
__________ Subtask 21-21-44-860-051
A. Aircraft Maintenance Configuration
(1) Make sure that the ground service network is energized
(Ref. TASK 24-42-00-861-001).
Subtask 21-21-44-865-054
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------122VU AIR COND/RECIRC FAN/L/CTL 2HG X20 122VU AIR COND/RECIRC FAN/L/SPLY 1HG X18
4. Procedure
_________ (Ref. Fig. 402/TASK 21-21-44-991-002) Subtask 21-21-44-420-052
A. Installation of the Third Occupant Individual Air-Outlet
(1)
Put the air outlet (2) in position on the duct (1).
(2)
Put the duct (1) with the air outlet (2) in position on the plate (4).
(3)
Install the 4 screws (8) and tighten.
(4)
Put the plate (4) in position on the frame (3). Tighten the 4 quarter-turn fasteners (5).
(5)
Put the lining panel (6) in position. Install the 4 screws (7) and tighten.
5. Close-up
________ Subtask 21-21-44-865-055
A. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 2HG, 1HG
Subtask 21-21-44-862-051
B. De-energize the ground service network
(Ref. TASK 24-42-00-862-001).
GRID - COCKPIT AIR SUPPLY DUCT - CLEANING/PAINTING
__________________________________________________
TASK 21-21-49-100-001
Cleaning of the Cockpit Air-Supply Duct-Grid
1. Reason for the Job
__________________
Refer to the MPD TASK: 212100-01
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific access platform 2 m (6 ft. 7 in.)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 11-004 USA MIL-T-81533 1.1.1TRICHLOROETHANE (METHYL CHLOROFORM) (Ref. 20-31-00)
C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-42-00-861-001 Energize the Ground Service Network from the External Power 24-42-00-862-001 De-energize the Ground Service Network Supplied from the External Power 25-54-12-000-003 Removal of the Sidewall Panels in the FWD Cargo Compartment 25-54-12-400-003 Installation of the Sidewall Panels in the FWD Cargo Compartment 52-30-00-860-001 Open the FWD or AFT Cargo-Compartment Door with the Yellow Electric Pump
1EFF : ALL 1 21-21-49Page 701 1 1 Aug 01/05R 1 1 1CES 1
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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, 101-149, 201-299,
21-21-49-991-001 Fig. 701 R **ON A/C 151-199, 401-499,
21-21-49-991-001-A Fig. 701A
**ON A/C 301-399,
21-21-49-991-001-B Fig. 701B
**ON A/C ALL
3. Job Set-up
__________
Subtask 21-21-49-861-050
A. Energize the ground service network
(Ref. TASK 24-42-00-861-001).
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