(3)
 Set the LIGHT SW 11LJ to the ON position.

R  EFF : 001-049, 101-105, 107-107, 151-199, 49-91-42Page 206 201-210, Config-2 Aug 01/05
 CES  4. Procedure

_________
 (Ref. Fig. 201/TASK 49-91-42-991-005) Subtask 49-91-42-420-054
 A. Installation of the Magnetic Drain Plug.
 (1)
 Lubricate the new O-ring (2) with OILS (Material No. 03-002).

 (2)
 Install the new O-ring on the drain plug (1).

 (3)
 Position the drain plug (1) in the gearbox.

 (4)
 Push, turn and release the plug to secure in gearbox. Subtask 49-91-42-865-065

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

 Subtask 49-91-42-710-052
 C. Start and Operate the APU.
 (1)
 Close the APU access doors (Ref. TASK 52-41-00-410-001).

 (2)
 Start the APU (Ref. TASK 49-00-00-860-008).

 (3)
 Allow the APU to run for 5 minutes.

 (4)
 Shutdown the APU (Ref. TASK 49-00-00-860-009).

 (5)
 Open the APU access doors 315AL, 136AR (Ref. TASK 52-41-00-010-001).

 (6)
 Check the drain plug for leaks.
 NOTE : Leaks are not permitted.

____

R  EFF : 001-049, 101-105, 107-107, 151-199, 49-91-42Page 207 201-210, Config-2 Aug 01/05
 CES  5. Close-up

________ Subtask 49-91-42-410-055
 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Remove the ground support and maintenance equipment, the special and standard tools and all other items.

 (3)
 Set the LIGHT SW 11LJ to the OFF position.

 (4)
 Close the APU access doors 315AL, 316AR (Ref. TASK 52-41-00-410-001).

 (5)
 Remove the access platform(s). Subtask 49-91-42-860-061

 B.
 Aircraft Maintenance Configuration

 (1)
 Pressurize the reservoirs of the hydraulic systems.
 (Ref. TASK 29-14-00-614-002).

 (2)
 De-energize the ground service network
 (Ref. TASK 24-42-00-862-001).

 (3)
 Remove the warning notice(s).

R  EFF : 001-049, 101-105, 107-107, 151-199, 49-91-42Page 208 201-210, Config-2 Aug 01/05
 CES  TASK 49-91-42-200-004 Inspection of the Magnetic- Drain Plug (8077KM) (131-9(A)) 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 warning notice
 No specific container 1 l (0.2641 USgal)
 No specific access platform 3.5 m (11 ft. 6 in.)

 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 03-002  GB DEF-STAN 91-101 LUBRICATING OIL TURBINE ENGINE SYNT BASE (Ref. 20-31-00)
 C. Expendable Parts
 -------------------------------------------------------------------------------FIG.ITEM |DESIGNATION |IPC-CSN -------------------------------------------------------------------------------
packing  49-91-09 02 -090

R  EFF : 001-049, 101-105, 107-107, 151-199, 49-91-42Page 209 201-210, Config-2 Aug 01/05
 CES

 D. 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 49-00-00-860-008 APU Start by External Power (131-9(A)) 49-00-00-860-009 APU Shutdown by External Power (131-9(A)) 49-90-00-600-007 Check and Replenish Oil Level (131-9(A)) 49-91-41-200-002 Inspection and Replacement of Oil Filters (8069KM)
　
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