(b)
the access door 811 is open.
(c)
the AFT cargo-compartment door 826 (Ref. TASK 52-30-00-860-001) is open.
(d)
the access platform is in position at the AFT cargo-cmpartment door 826.
(e)
the access panel 162DW (Ref. TASK 25-55-12-000-001) is removed.
Subtask 21-31-00-865-064
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
49VU AIR COND/CAB/PRESS/CTL1 1HL D09 R
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
R 122VU AIR COND/AFT CARGO VENT/FAN 30HN S22
R -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------**ON A/C ALL
R R R 122VU AIR COND/LAV/GALLEY VENT CTL/EXTRACT FAN/SPLY 122VU AIR COND/CAB PRESS/CTL/MAN 122VU AIR COND/CAB PRESS/CTL/2 6HU 3HL 2HL U19 Y23 Y22
Subtask 21-31-00-420-052
C. Installation and Connection of the Applicable Components
NOTE : It is not necessary to do the operational test of the pressure____ control and monitoring system (Ref. TASK 21-31-00-710-002) at this time.
(1) Install the cabin pressure controllers 1 (11HL) and 2 (12HL) (Ref. TASK 21-31-34-400-001).
(2) Connect the electrical connectors 10HL-A and 10HL-B to the electronic modules 10HL-1 and 10HL-2 (Ref. TASK 21-31-51-400-002).
(3) Connect the electrical connectors 10HL-D and 10HL-E to the feedback assembly 10HL-6 (Ref. TASK 21-31-51-400-005).
Subtask 21-31-00-865-066
D. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1HL, 2HL, 3HL, 6HU, 30HN.
Subtask 21-31-00-410-055
E. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Close the access door 811.
(3) Install the access panel 162DW (Ref. TASK 25-55-12-400-001).
(4)
Remove the access platform(s).
(5)
Close the AFT cargo-compartment door 826 (Ref. TASK 52-30-00-860-002).
Subtask 21-31-00-862-060
F. De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
PRESSURE CONTROL AND MONITORING - CLEANING/PAINTING
___________________________________________________
TASK 21-31-00-100-001
Cleaning of the Moveable Seals of the Outflow-Valve
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.
WARNING : MAKE SURE THAT THE FWD AVIONICS ACCESS DOOR 811 IS OPEN. WITH A
_______ WARNING PLACARD ATTACHED TO IT. THE WARNING NOTICE MUST TELL PERSONS NOT TO CLOSE THE DOOR. THIS PREVENTS ACCIDENTAL PRESSURIZATION OF THE AIRCRAFT.
WARNING : MAKE SURE THAT THERE IS A GOOD FLOW OF AIR THROUGH THE WORK AREA WHEN
_______ YOU USE SPECIAL MATERIALS. IF YOU GET ONE OF THESE MATERIALS ON YOUR SKIN, IN YOUR MOUTH OR IN YOUR EYES : -FLUSH IT AWAY WITH A FLOW OF CLEAN WATER FOR BETWEEN 10 AND 15 MINUTES. -GET IMMEDIATE MEDICAL AID IF IRRITATION OCCURS. DO NOT BREATHE THE FUMES FROM THE MATERIAL. DO NOT SMOKE WHEN YOU USE THE MATERIAL. DO NOT USE THE MATERIAL NEAR A FLAME, SPARKS OR SOURCES OF HEAT. THESE MATERIALS ARE DANGEROUS : THEY ARE POISONOUS, FLAMMABLE AND SKIN IRRITANTS.
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific lint free cloth No specific low pressure (overpressure < 1 bar), clean, dry air
supply No specific soft bristle brush No specific access platform 2.0 m (6 ft. 7 in.)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 11-006 USA OM-232-GR-A AMS-3004 METHYL ALCOHOL (Ref. 20-31-00) MIL-A-6090
C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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