Things You'll Need
Operator’s manual
Rags
Wrench
Wire brush
12-volt automotive battery
John Deere is a highly respected name among riding lawnmower owners. It's a reliable machine, but as with all mowers, the battery will eventually wear down. Thankfully even the least accomplished home mechanic can feel confident about changing a dead battery in a John Deere riding lawn mower. It's not a difficult job to do. All you'll need are some basic tools, about 10 minutes and the strength to lift a 12-volt automotive battery.
Step 1
Check your John Deere operator's manual for the location of the battery (probably under the hood). Park the riding mower on a level surface. Open the hood.
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Step 2
Clean any grease or oil off the battery with a rag. Remove the negative (-) terminal of the battery with a wrench.
Step 3
Push the red plastic cover off the positive (+) terminal of the battery. Remove the positive terminal of the battery.
Step 4
Lift the old battery out of the battery tray. Clean the battery connections with a wire brush if they are corroded.
Step 5
Put the new battery in the battery tray, facing the same way as the old battery. Connect the positive terminal, and replace the plastic cover. Connect the negative terminal.
Step 6
Close the hood, and test the new battery by starting your lawnmower. Recycle the old battery.
Warning
Be careful not to short out the terminals of the battery with a tool or other metal objects. The strong charge can cause bodily injury.