Oil-Cooler Outlet - Duct.
 Figure 401/TASK 49-52-41-991-001

 CES  TASK 49-52-41-400-001

 Installation of the Oil-Cooler Outlet-Duct (8052KM) (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 access platform 3.5 m (11 ft. 6 in.) No specific Torque Wrench : range 0.00 to 1.20 m.daN
 (0.00 to 9.00 lbf.ft)
 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 05-002  USA MIL-P-8116 PUTTY, ZINC CHROMATE GENERAL PURPOSE (Ref. 20-31-00)
 C. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
20-28-00-912-004  Electrical Bonding of Components With Conductive Bolts and Screws and Bonding Straps in the Fuselage and in the Wings (this does not include the tanks)-
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

 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
29-14-00-614-002 Pressurization of the Hydraulic Reservoirs through
 the Ground Connector 49-00-00-710-004 Operational Test of the APU (4005KM) (GTCP 36-300) 49-00-00-790-004 Air Leak Test with closed APU Doors 52-41-00-010-001 Open the APU Doors for Access 52-41-00-410-001 Close the APU Doors after Access 49-52-41-991-001 Fig. 401
 3. Job Set-up
__________
 Subtask 49-52-41-860-054
 A. Aircraft Maintenance Configuration
 (1)
 Energize the ground service network
 (Ref. TASK 24-42-00-861-001).

 (2)
 On the panel 25VU, make sure that the APU MASTER SW p/bsw is OFF.

 (3)
 Make sure that there is 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).

 Subtask 49-52-41-865-051
 B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU APU/APU/CTL 2KD L42 121VU APU/ECB/SPLY 1KD L41

 Subtask 49-52-41-010-057
 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)
 Make sure that the light SW 11LJ is set to the ON position.

 4. Procedure
_________ Subtask 49-52-41-210-051
 A. Make an inspection of the bellows (2), the pipe (4) and the support for damage, chafing marks, dents or cracks. Replace the damaged items.
 (1)
 Make an inspection of the duct seal on the outlet-duct (16) at the APU access door 315AL. Replace the seal, if necessary.

 (2)
 Make an inspection of the stiffeners (10) and their connection for damage.

 (3)
 If the stiffeners are damaged, do a structural repair.

 (4)
 Make sure that the work area is clean and clear of tool(s) and other items.

 Subtask 49-52-41-420-050
 B. Installation of the Oil-Cooler Outlet-Duct (8052KM)
 (1)
 Remove the protective cover from the oil cooler outlet.

 (2)
 Put the pipe (4) on the support and close the clamps (5). Do not fully tighten the clamps (5) at this time.

 (3)
 Move the bellow (2) on to the pipe (4) and install the clamp (3). Do not fully tighten the clamp (3) at this time.

 (4)
 Protective Treatment
　
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