Which Battery Terminal Should Be Removed First. The grounded terminal should be disconnected first to ensure that a battery dead-short does not occur should the spanner disconnecting the other one contact a nearby grounded metal part. Then after unhooking the negative terminal and setting it aside disconnect the positive terminal.
To be perfect remove the grounded terminal first usually it is the negative one unless you are working on a rare forklift or something. OPTIMA Charger clamps also feature no-spark technology so even if you accidentally touch the alligator clamps together when the charger is plugged in they wont spark like they do with many standard battery chargers. Do the following procedures to restore the system back to normal operation.
Place the new battery on the tray and tighten the clamps.
Take caution at all times to never touch a metal object to both terminals of the battery at once. If you do this in the opposite order there are many problems that can arise from the. To be perfect remove the grounded terminal first usually it is the negative one unless you are working on a rare forklift or something. Connect the cable for the positive terminal first then the negative.
