(2)
 Energize the ground service network (Ref. TASK 24-41-00-861-002).

 (3)
 Make sure that the hydraulic systems are depressurized (Ref. TASK 29-00-00-864-001).

 Subtask 49-00-00-865-123
 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

R  EFF : 001-049, 101-105, 107-107, 151-199, 49-00-00Page 702 201-210, Config-2 Aug 01/05
 CES  Subtask 49-00-00-010-076

 C. Get Access
 (1)
 Put the access platform below the access doors 315AL and 316AR.

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

 (3)
 Set the light switch 11LJ to on.

 (4)
 Remove the APU access doors 315AL, 316AR (Ref. TASK 52-41-21-000-001) (Ref. TASK 52-41-22-000-001).

 4. Procedure
_________
 WARNING : OBEY THE MANUFACTURER'S INSTRUCTIONS WHEN YOU USE THIS/THESE

_______
 MATERIAL/S.
 USE PROTECTIVE CLOTHING, RUBBER GLOVES AND GOGGLES.

 CAUTION : DO NOT POINT THE SPRAY INTO THE APU INTAKE-DUCT.
_______
 WATER CAN GO INTO THE FELT METAL AND FREEZE. THIS WILL CAUSE
 DAMAGE TO THE INTAKE DUCT AND MAKE IT UNSERVICEABLE.

 Subtask 49-00-00-160-052
 A. Cleaning of the APU Compartment
 (1)
 Take a container and use a solution of 50% water and 50% CLEANING AGENTS (Material No. 11-011).

 (2)
 Apply the solution with a sponge on the APU compartment walls.

 (3)
 Leave the solution on the surface for 20 minutes.

 (4)
 Rinse the surface with warm clear water.

 (5)
 Start and operate the APU (Ref. TASK 49-00-00-710-010) for 10 minutes.

 Subtask 49-00-00-160-055
 B. Alternative
 (1) Vaporize the solution (50% water and 50% CLEANING AGENTS (Material No. 11-011)) with low pressure on the compartment wall. Take care not to get spray on the APU.

R  EFF : 001-049, 101-105, 107-107, 151-199, 49-00-00Page 703 201-210, Config-2 Aug 01/05
 CES

 (2)
 Leave the solution on the surface for 20 minutes.

 (3)
 Rinse the surface with hot steam water cleaner (temperature 70 DEG.C

 (158.00 DEG.F) lowest pressure.

 (4)
 Start and operate the APU (Ref. TASK 49-00-00-710-010) for 10 minutes.

 5. Close-up
________ Subtask 49-00-00-410-078
 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Set the light switch 11LJ to off.

 (3)
 Close the APU access doors 316AR, 315AL (Ref. TASK 52-41-00-410-001) .

 (4)
 Remove the access platform(s). Subtask 49-00-00-865-124

 B.
 Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1KD, 2KD.

 Subtask 49-00-00-860-113
 C. Aircraft Maintenance Configuration.
 (1)
 De-energize the ground service network (Ref. TASK 24-41-00-862-002)

 (2)
 Remove the warning notice(s).

 (3)
 Remove the ground support and maintenance equipment, the special and standard tools and all other items.

R  EFF : 001-049, 101-105, 107-107, 151-199, 49-00-00Page 704 201-210, Config-2 Aug 01/05
 CES

 AIRBORNE AUXILIARY POWER - GENERAL - CLEANING/PAINTING
______________________________________________________
 TASK 49-00-00-100-002
 Cleaning of the APU Compartment with installed APU
 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
　
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