(3)
 Remove vent fitting (3) and check valve (8) as one unit, discard packing (4) (P/N S9413-112) and gasket (5) (P/N 3846496-1).

 (4)
 Remove bolts (19) and retainers (20), withdraw tubes (21) from adapter assembly (14).

 (5)
 Discard tube packings (25) (P/N S9413-010) and (P/N S9413-014).

 (6)
 Remove bolts (15) and washers (16), remove adapter assembly (14).

 (7)
 Discard packing (13) (P/N S9413-112) and gasket (12) (P/N 3846496-1).

 Turbine Bearing Cavity Vent Tube Packing Figure 201/TASK 49-91-53-991-001 
R  EFF :  001-003, 051-099, 401-499,  49-91-53 Page 204 Aug 01/05
 CES 

 Turbine Bearing Cavity Lubrication Tube Packing Figure 202/TASK 49-91-53-991-002 
R  EFF :  001-003, 051-099, 401-499,  49-91-53 Page 205 Aug 01/05
 CES 

 TASK 49-91-53-400-001
 Installation of turbine bearing cavity vent and lubrication tube packing (GTCP 36-300)
 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) No specific Torque Wrench : range 1.00 to 10.00 m.daN
 (8.00
 to 75.00 lbf.ft) 833184-1 2 TUBE - INSTALLATION FIXTURE

 B.
 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 49-00-00-710-004 Operational Test of the APU (4005KM) (GTCP 36-300) 49-90-00-600-001 Check Oil Level and Replenish (GTCP 36-300) 52-41-00-010-001 Open the APU Doors for Access 52-41-00-410-001 Close the APU Doors after Access 49-91-53-991-001 Fig. 201 49-91-53-991-002 Fig. 202

 3. Job Set-up
__________ Subtask 49-91-53-860-051
 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 49-91-53-865-051
 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 49-91-53-010-053
 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
_________
 (Ref. Fig. 201/TASK 49-91-53-991-001, 202/TASK 49-91-53-991-002)
 Subtask 49-91-53-210-051
 A. Preperation for Installation
 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.
 WARNING : USE A FACE SHIELD OR GOGGLES WHEN YOU USE COMPRESSED AIR.
_______ DO NOT POINT THE AIRFLOW AT PERSONS. DO NOT LET THE PRESSURE BE MORE THAN 30 PSIG HIGH PRESSURE AIR IS DANGEROUS.
 CAUTION : PUT PLASTIC CAPS OR PLUGS ON ALL FUEL AND/OR LUBRICATION SYSTEM
_______ COMPONENTS AND LINES. IF YOU USE TAPE, CLOTH, OR METAL CAPS ON THEM, YOU CAN DAMAGE THE APU.
　
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