-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU APU/APU/CTL 2KD L42 121VU APU/ECB/SPLY 1KD L41
 4. Procedure
_________
 (Ref. Fig. 401/TASK 49-16-44-991-002) Subtask 49-16-44-910-051
 A. Preparation for Installation
 (1)
 Remove the old sealant. Use the solvent CLEANING AGENTS (Material No. 11-001) and a wooden or plastic scraper.

 (2)
 Clean the component interface and/or the adjacent area.

 (3)
 Protective Treatment WARNING : USE SOLVENTS/CLEANING AGENTS, SEALANTS AND OTHER SPECIAL

_______ MATERIALS ONLY WITH A GOOD SUPPLY OF AIR. OBEY THE MANUFACTURERS INSTRUCTIONS. PUT ON PROTECTIVE CLOTHING. DO NOT GET THEM IN YOUR MOUTH. DO NOT SMOKE. DO NOT BREATHE THE GAS. THESE MATERIALS ARE POISONOUS, FLAMMABLE AND SKIN IRRITANT. GET MEDICAL HELP IF YOUR SKIN OR EYES BECOME IRRITATED.
 (a) Apply SPECIAL MATERIALS (Material No. 05-002) to all screws and washers.
 (4) Apply the SEALANTS (Material No. 09-018) to the mating surfaces of the air intake nose (13), the bracket (4) and the end profile (5).
 Subtask 49-16-44-420-051
 B. Installation of the Air Intake Nose
 (1)
 Put the air intake nose (13) in position and hold it.

 (2)
 Install the screws (1). Do not fully tighten the screws at this time.

 (3)
 Install the screws (3) and the washers (2). Do not fully tighten the screws at this time.

 (4)
 Install the bracket (4) and the end-profile (5) with the screws (7 and 8) and the washers (6 and 9).

 (5)
 Install the bolts (10), the washers (11) and the nuts (12).

 (6)
 Tighten all screws and bolts.

 5. Close-up
________ Subtask 49-16-44-910-052
 A. Application of the Surface Treatments
 (1)
 Apply SEALANTS (Material No. 09-016) to all locations, where removed, when dry apply PAINTS FOR DETAIL (INTERNAL AND EXTERN AL) (Material No. 07-001).

 (2)
 Apply the SEALANTS (Material No. 09-016) to all the nuts, washers and

 screwheads.

 (3)
 Apply the SPECIAL MATERIALS (Material No. 05-005) to all the screwheads.

 Subtask 49-16-44-410-051
 B. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Close the APU access doors 316AR, 315AL (Ref. TASK 52-41-00-410-001).

 (3)
 Remove the access platform(s). Subtask 49-16-44-865-055

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

 DIFFUSER AND ELBOW - AIR INTAKE - REMOVAL/INSTALLATION
______________________________________________________ R **ON A/C 001-003, 051-099, 401-499,
 TASK 49-16-45-000-001 Removal of the Air Intake Diffuser and Elbow (GTCP 36-300) WARNING : DO NOT TOUCH THE APU UNTIL IT IS SUFFICIENTLY COOL TO PREVENT BURNS
_______
 WHEN YOU DO THE MAINTENANCE TASK(S).

 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 2.5 m (8 ft. 2 in.)

 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action
 **ON A/C 051-051,
 49-16-45-991-001-A Fig. 401  -------------------------------------------------------------------------------

REFERENCE  DESIGNATION
 -------------------------------------------------------------------------------
R  **ON A/C 001-003, 051-099, 401-499, Post SB 49-1050 For A/C 051-051, 49-16-45-991-001 Fig. 401A

R  **ON A/C 001-003, 051-099, 401-499,
 3. Job Set-up
__________
 Subtask 49-16-45-860-052

 A. Aircraft Maintenance Configuration
　
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