2. Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific warning notice
 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
71-13-00-010-040 Opening of the Fan Cowl Doors 71-13-00-410-040 Closing of the Fan Cowl Doors 79-21-20-000-002 Removal of the Main Oil/Fuel Heat Exchanger 79-21-20-400-002 Installation of the Main Oil/Fuel Heat Exchanger
 3. Job Set-up
__________ Subtask 79-21-20-941-052
 A. Safety Precautions
 (1) On the center pedestal, on the ENG panel 115VU:

 (a) Put a warning notice to tell persons not to start the engine.

 (2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.

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 (3) On the overhead maintenance panel 50VU:

 (a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.

 (b) Put a warning notice to tell persons not to energize the FADEC 1(2).

 Subtask 79-21-20-010-054
 B. Open the fan cowl doors: (Ref. TASK 71-13-00-010-040)
 FOR 1000EM1
 437AL, 438AR
 FOR 1000EM2
 447AL, 448AR

 4. Procedure
_________
 Subtask 79-21-20-210-051
 A. Visually inspect the main oil/fuel heat exchanger
 -------------------------------------------------------------------------------INSPECT/CHECK MAXIMUM REMARKS SERVICEABLE LIMITS -------------------------------------------------------------------------------
1. All areas for :
 A. Cracks  Not serviceable Replace main oil/fuel heat exchanger (Ref. TASK 79-21-20-000-002) and (Ref. TASK 79-21-20-400-002)
 2. External sealing faces for :
 A. Dents, gouges, Not serviceable Replace main oil/fuel heat
 scratches  exchanger (Ref. TASK 79-21-20-000-002) and (Ref. TASK 79-21-20-400-002)
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________ Subtask 79-21-20-410-053
 A. Close Access
 (1) Make sure that the work area is clean and clear of tool(s) and other items.

 (2) Close the fan cowl doors: (Ref. TASK 71-13-00-410-040)
 FOR 1000EM1
 437AL, 438AR
 FOR 1000EM2
 447AL, 448AR

 (3) Remove the warning notice(s).

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 INDICATOR - VISUAL - MAINTENANCE PRACTICES

__________________________________________
 TASK 79-21-30-440-001
 Resetting of the Visual Indicator
 1. Reason for the Job

__________________
 Self Explanatory

 2. Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------
REFERENCE  QTY DESIGNATION
 -------------------------------------------------------------------------------
No specific  warning notice
 B. Consumable Materials
 -------------------------------------------------------------------------------
REFERENCE  DESIGNATION
 -------------------------------------------------------------------------------
Material No.  CP8001 *
 lockwire 0.032 in. (0.8 mm) DIA (Ref. 70-30-00)
 Material No. CP8002 *
 lockwire 0.032 in. (0.8 mm) DIA (Ref. 70-30-00)

 C. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE  DESIGNATION
 -------------------------------------------------------------------------------
71-13-00-010-040 Opening of the Fan Cowl Doors
 71-13-00-410-040 Closing of the Fan Cowl Doors
 79-21-30-991-300 Fig. 201

R 79-21-30-991-303 Fig. 202
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