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 49-00-00-160-050
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 49-00-00-710-004) for 10 minutes.
Subtask 49-00-00-160-053
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.
(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 49-00-00-710-004) for 10 minutes.
5. Close-up
________ Subtask 49-00-00-410-080
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 49-00-00-865-126
B.
Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1KD, 2KD.
Subtask 49-00-00-860-115
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.
AIRBORNE AUXILIARY POWER - GENERAL - CLEANING/PAINTING
______________________________________________________
TASK 49-00-00-100-003
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
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.) No specific container 5 l (1.3208 USgal)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 11-011 USA AMS 1533 EXTERIOR AIRCRAFT CLEANER. GEL TYPE (Ref. 20-31-00)
R EFF : 001-049, 101-105, 107-107, 151-199, 49-00-00Page 701 201-210, Config-2 Aug 01/05
CES
C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized
Configuration before Maintenance Action 49-00-00-710-010 Operational Test of the APU (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 52-41-21-000-001 Removal of the APU Access Door 315AL 52-41-22-000-001 Removal of the APU Access Door 316AR and the related
Door Mechanism
3. Job Set-up
__________
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