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(1)  Connect the positive cable to the battery.  Apply Dow Corning compound (DC4) to the battery terminal and the cable lug. 
(2)  Connect the negative cable to the battery.  Apply Dow Corning compound (DC4) to the battery terminal and the cable lug. 
(3)  Install the cover to the battery box. 
(4)  Install the battery retaining clamp: S Put the battery retaining clamp into position over the retaining studs and on the battery. S Install the 2 washers and nuts onto the retaining studs.  Make sure that the clamp is seated correctly. Tighten the nuts down evenly. 
(5)  Tighten the 2 retaining nuts.  Torque 1.6 Nm (1.18 ft.lb) 
(6)  Install the engine cowlings.  Refer to Section 71-11. 

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% A. Remove the Battery Relay %

Detail Steps/Work Items  Key Items/References 
(1)  Remove the engine cowlings.  Refer to Section 71-11. 
(2)  Disconnect the main battery: S Disconnect the negative cable from the battery. S Disconnect the positive cable from the battery. 
(3)  Remove the rear passengers’ seat for access.  Refer to Section 25-10. 
(4)  Disconnect the ECU backup battery: S Disconnect the negative cable from the battery. S Disconnect the positive cable from the battery. 
(5)  Remove the cover from the relay junction box. 
(6)  Remove the nut and washer attaching the bus bar to the relay. 
(7)  Disconnect the electrical cables from the battery relay. 
(8)  Remove the 2 bolts which attach the battery relay to the relay box. 
(9)  Move the relay clear of the airplane. 

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% B. Install the Battery Relay %

Detail Steps/Work Items  Key Items/References 
(1)  Put the relay in position in the relay box. 
(2)  Install the 2 attaching bolts. 
(3)  Connect the power and control cables to the battery relay.  Refer to Chapter 92 for the wiring diagrams. 
(4)  Install the washer and nut to the bus bar connection. 
(5)  Install the cover to the relay box. 
(6)  Connect the cables to the main battery: S Connect the positive cable to the battery. S Connect the negative cable to the battery.  Apply Dow Corning compound (DC4) to the battery terminal and the cable lug. 
(7)  Connect the cables to the ECU backup battery: S Connect the positive cable to the battery. S Connect the negative cable to the battery.  Apply Dow Corning compound (DC4) to the battery terminal and the cable lug. 
(8)  Install the rear passengers' seat.  Refer to Section 25-10. 
(9)  Install the engine cowlings.  Refer to Section 71-11. 
(10)  Do a test for correct operation of the battery relay.  Refer to Paragraph 6. 

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