B.
 Do a visual check of the oil quantity and add oil if required (Ref. TASK 49-90-00-600-007).

R  EFF : 001-049, 101-105, 107-107, 151-199, 49-91-45Page 407 201-210, Config-2 Aug 01/05
 CES  Subtask 49-91-45-865-061

 C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1KD, 2KD.
 Subtask 49-91-45-710-054
 D. Start and Operate the APU.
 (1)
 Start the APU (Ref. TASK 49-00-00-860-008).

 (2)
 Allow the APU to run for 5 minutes.

 (3)
 Shutdown the APU (Ref. TASK 49-00-00-860-009).

 (4)
 Do a leak check of the Oil Pump.
 NOTE : No leaks are permitted.

____
 ________

5. Close-up
 Subtask 49-91-45-410-055
 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Set the LIGHT control SW 11LJ to the OFF position.

 (3)
 Close the APU access doors 315AL, 316AR (Ref. TASK 52-41-00-410-001).

 (4)
 Remove the access platform(s). Subtask 49-91-45-860-057

 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, 49-91-45Page 408 201-210, Config-2 Aug 01/05
 CES

 VALVE - OIL FILTER BYPASS - REMOVAL/INSTALLATION
________________________________________________ R **ON A/C 001-003, 051-099, 401-499,
 TASK 49-91-47-000-001 Removal of the Oil-Filter Bypass Valve (8081KM) (GTCP 36-300) WARNING : DO NOT TOUCH THE APU UNTIL IT IS SUFFICIENTLY COOL TO PREVENT BURNS
_______
 WHEN YOU DO THE MAINTENANCE TASK(S).

 WARNING : DO NOT LET OIL STAY ON YOUR SKIN FOR A LONG TIME AS IT CAN CAUSE
_______
 INJURY.

 1.
 Reason for the Job

__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific blanking plugs
 No specific circuit breaker(s) safety clip(s)
 No specific warning notice
 No specific access platform 3.5 m (11 ft. 6 in.)

 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-42-00-861-001 Energize the Ground Service Network from the External Power 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized
 Configuration before Maintenance Action
 52-41-00-010-001 Open the APU Doors for Access
 49-91-47-991-001 Fig. 401

 3. Job Set-up
__________ Subtask 49-91-47-860-050
 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)
 Put 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 49-91-47-865-050
 B. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU APU/APU/CTL 2KD L42 121VU APU/ECB/SPLY 1KD L41
 Subtask 49-91-47-010-050
 C. Get Access
 (1)
 Put the access platform below the APU access doors 315AL and 316AR.

 (2)
 Open the access doors 315AL, 316AR (Ref. TASK 52-41-00-010-001).

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

 4. Procedure
_________
 (Ref. Fig. 401/TASK 49-91-47-991-001) Subtask 49-91-47-020-051
 A. Remove the Oil-Filter Bypass Valve (8081KM)
 (1)
 Remove and discard the safety wire from the top bolt (1) to the pressure differential indicator nut.
　
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