7• Do not let gasoline, oils, petroleum-based products, etc. come incontact with plastic parts. They contain chemicals that can damage,weaken or destroy plastic.• Save these instructions. Refer to them frequently and use them to instructothers who may use this tool. If you lend someone this tool, lend them theseinstructions also to prevent misuse of the product and possible injury.IMPORTANT SAFETY INSTRUCTIONS• SAVE THESE INSTRUCTIONS. This Operator’s Manual contains importantsafety and operating instructions for battery 5166/5166.1.• Before using the battery charger, read all instructions and cautionarymarkings on the battery charger, battery and product using the battery.