Page 202 Doc # 6.02.01 09 Jan 2003 Rev. 4
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Electrical Power
AMM

4. Fill the Battery with Distilled Water
Remove the battery from the airplane before you fill it with distilled water.
WARNING:  WEAR PROTECTIVE GOGGLES, RUBBER GLOVES AND RUBBER APRON WHEN WORKING ON THE BATTERY. THE BATTERY CONTAINS DILUTE SULPHURIC ACID THAT CAN INJURE PERSONS AND DAMAGE EQUIPMENT. 
A. Procedure 

Detail Steps/Work Items  Key Items/References 
(1)  Clean the outer surface of the battery with warm water. Wipe the battery dry 
(2)  Remove the caps from the cells. 
(3)  Add water to the level marked on the battery.  Use only clean distilled water. 
(4)  Replace the caps. 

5. Disconnect/Connect the Battery for Maintenance
A. Disconnect the Battery for Maintenance
Detail Steps/Work Items  Key Items/References 
(1)  Remove the engine cowlings.  Refer to Section 71-10. 
(2)  Disconnect the negative cable from the battery. 
(3)  Disconnect the positive cable from the battery. 

B. Connect the Battery after Maintenance
Detail Steps/Work Items  Key Items/References 
CAUTION: MAKE SURE THAT YOU CONNECT THE CABLES TO THE CORRECT TERMINALS. INCORRECT CONNECTION CAN DAMAGE THE ELECTRICAL AND AVIONIC SYSTEMS. 
(1)  Connect the positive cable to the battery.  Apply Dow Corning compound (DC4) to the battery terminal and the cable lug. 

Doc # 6.02.01 Page 203
Rev. 4 09 Jan 2003

24-31-00
AMM

Detail Steps/Work Items  Key Items/References 
(2)  Connect the negative cable to the battery.  Apply Dow Corning compound (DC4) to the battery terminal and the cable lug. 
(3)  Install the engine cowlings.  Refer to Section 71-10. 

6. Remove/Install the Battery Relay
A. Remove the Battery Relay
Detail Steps/Work Items  Key Items/References 
(1)  Remove the engine cowlings.  Refer to Section 71-10. 
(2)  Disconnect the battery: S Disconnect the negative cable from the battery. S Disconnect the positive cable from the battery. 
(3)  Remove the cover from the relay box. 
(4)  Disconnect the electrical cables from the battery relay. 
(5)  Remove the 2 bolts which attach the battery relay to the relay box. 
(6)  Move the relay clear of the airplane. 

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 cover to the relay box. 
(5)  Connect the positive cable to the battery.  Apply Dow Corning compound (DC4) to the battery terminal and the cable lug. 

Page 204 Doc # 6.02.01 09 Jan 2003 Rev. 4
24-31-00
Electrical Power
AMM

Detail Steps/Work Items  Key Items/References 
(6)  Connect the negative cable to the battery.  Apply Dow Corning compound (DC4) to the battery terminal and the cable lug. 
(7)  Install the engine cowlings.  Refer to Section 71-10. 
(8)  Do a test for correct operation of the battery relay.  Refer to Paragraph 7. 

7. Battery Relay Functional Test
Do this test in an area where the engine can be run.
Detail Steps/Work Items  Key Items/References 
(1)  Make sure that the ALT/BAT switch is set to OFF.  There must be no indication on the voltmeter. 
　
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