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(3)  Connect the 2 electrical in-line connectors for the power lever. 
(4)  Check for correct potentiometer signal with ECU Operator software (Overview page). S Left and Right potentiometer signals should not differ by more than 20 units. S Power Setting must be at 0 % with the power lever at IDLE and 99.9 % with the power lever at MAX.  Refer to Section 72-01. 
(5)  Put the power lever and the bottom cover plate in position in the center console. 
(6)  Install the 2 screws that attach the cover plate at the rear. 
(7)  Install the top cover plate to the center console. S Install the 2 screws that hold the top cover plate on top of the bottom cover plate. 
(8)  Install the lever for the emergency fuel valve: S Put the lever in position on the shaft. S Install the screw. 
(9)  Do a test for correct operation of the emergency fuel valve lever: S Move the lever from OFF to NORMAL to EMERG. TRANSFER.  Make sure that the safety lock operates correctly. 
(10)  Do a ground run-up.  Refer to Section 71-01. 

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(1)  Make sure that the engine is safe: S Set the ELECTRIC MASTER key switch to OFF. S Set the ENGINE MASTER switch to OFF. S Set the power lever to IDLE. 
(2)  Remove the left pilot’s seat.  Refer to Section 25-10. 
(3)  Release the 2 electrical connectors from the ECU.  Refer to Figure 3. 
(4)  Release the 4 hose connections from the ECU. 
(5)  Release the 4 bolts and washers that hold the ECU to the mounting brackets. 
(6)  Remove the ECU from the airplane. 

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(1)  Make sure that the engine is safe: S Set the ELECTRIC MASTER key switch to OFF. S Set the ENGINE MASTER switch to OFF. S Set the power lever to IDLE. 
(2)  Put the ECU in position below the pilot’s seat.  Refer to Figure 3. 
(3)  Install the 4 bolts and washers that hold the ECU to the mounting brackets. 
(4)  Connect the 4 hoses to the ECU. 
(5)  Connect the 2 electrical connectors from the ECU.  Make sure that the bayonet lockings are engaged. 
(6)  Install the pilot’s seat.  Refer to Section 25-10. 
(7)  Do a ground run-up.  Refer to Section 71-01. 

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Detail Steps/Work Items  Key Items/References 
WARNING: MAKE THE ENGINE IS SAFE BEFORE YOU DO ANY WORK ON HARNESS. IF THE ENGINE STARTS THE PROPELLER CAN CAUSE INJURY OR DEATH. 
　
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