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_______ WHEN YOU DO THE MAINTENANCE TASK(S).
 WARNING : USE A PROTECTIVE EYE SHIELD/GOGGLES WHEN YOU USE COMPRESSED AIR.
_______ DEBRIS AND/OR HIGH PRESSURE AIR CAN DAMAGE YOUR EYES.
 WARNING : OBEY THE MANUFACTURER'S INSTRUCTIONS WHEN YOU USE THIS/THESE
_______ MATERIAL/S. USE PROTECTIVE CLOTHING, RUBBER GLOVES, GOGGLES AND A MASK.
 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 circuit breaker(s) safety clip(s) No specific access platform 3.5 m (11 ft. 6 in.)

R  EFF : 001-049, 101-105, 107-107, 151-199, 49-16-00Page 701 201-210, Config-2 Aug 01/05
 CES

 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 11-011  USA AMS 1533 EXTERIOR AIRCRAFT CLEANER. GEL TYPE (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 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action 29-14-00-614-002 Pressurization of the Hydraulic Reservoirs through
 the Ground Connector 49-00-00-860-008 APU Start by External Power (131-9(A)) 49-00-00-860-009 APU Shutdown by External Power (131-9(A)) 52-41-00-010-001 Open the APU Doors for Access 52-41-00-410-001 Close the APU Doors after Access
 3. Job Set-up
__________
 Subtask 49-16-00-860-062
 A. Aircraft Maintenance Configuration
 (1)
 Energize the ground service network
 (Ref. TASK 24-42-00-861-001).

 (2)
 On the panel 25VU, press the APU MASTER SW pushbutton switch then make sure that the APU air intake flap has moved to the fully open position.

 (3)
 Put a warning notice in the cockpit to tell persons not to start the APU.

 (4)
 Make sure that hydraulic systems are depressurized
 (Ref. TASK 29-00-00-864-001).

 

R  EFF : 001-049, 101-105, 107-107, 151-199, 49-16-00Page 702 201-210, Config-2 Aug 01/05
 CES  Subtask 49-16-00-865-079

 B. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU APU/APU/CTL 2KD L42 121VU APU/ECB/SPLY 1KD L41
 Subtask 49-16-00-010-065
 C. Get Access
 (1)
 Put the access platform in position below the APU access doors 315AL and 316AR.

 (2)
 Open the APU access doors 315AL and 316AR (Ref. TASK 52-41-00-010-001).

 (3)
 Set the light SW 11LJ to the ON position.

 4. Procedure
_________
 Subtask 49-16-00-110-052
 A. Cleaning of the APU Air Intake System.
 (1) Make an inspection of the air intake duct and the APU Doors 315AL and 316AR for grease and oil contamination.
 -If you find any contamination do the following procedure:
 (a)
 Clean the APU air intake flap, the air intake duct internally and the APU Doors. Use pure CLEANING AGENTS (Material No. 11-011) as a spray with a pressure of 2-3 bar (29-43.5 psi) on:

 -
the inner walls of the installed air intake duct,

 -
the inner walls of the air intake housing including intake flap,

 -
the installed APU Doors.

 

 (b)
 Let the cleaning agent stay on the surfaces for 20 mins. to complete the cleaning process.
　
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