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Ryobi Homelite RY48ZTR75/100 Manual page 42

Electrical components troubleshooting and testing

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Testing the Battery Charger
Note: There are no electronics needed for this test. But you will need suitable 12 gauge wires
as shown. This procedure will charge the batteries (if the charger and batteries are good).
If using alligator clip jumper wires. Wear rubber gloves and eye protection.
1.
Refer to photos on next page for this procedure
2.
Disconnect main battery connection.
3.
Disconnect the blue charger wire connector
4.
Connect the red alligator clip to the charger plug.
5.
Connect the 2 black alligator clips to the other 2 plugs on the charger connector
6.
Plug the charger into a 120V wall outlet.*
7.
Connect the other end of the jumper wires to the blue connector as shown (red to red, black to black)
8.
Reconnect main battery connection.
9.
The Charger LED should blink green.
10. This is a temporary test. Remove wires immediately after test. Test should only take a few seconds
* Note: The LED on the charger will NOT light until connected to mower
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