From inside (document excerpt):
FORM NO. 3318-919 REV A r MODEL NO. 16401 – 7900001 & UP MODEL NO. 16401 – 6900001 & UP MODEL NO. 16400 – 6900001 & UP OPERATOR’S MANUAL 21 ” SIDE DISCHARGE MOWER A SAFETY INSTRUCTIONS This mower “meets or exceeds CPSC blade safety requirements for walk behind rotary mowers ” and the 871.1 -1990 specifications of the American National Standards Institute. However, improper use or maintenance by the operator or owner can result in injury. To reduce the potential for injury, comply with these safety instructions and always pay attention to the safety alert symbolA which means CAUTION, WARNING or DANGER.
Failure to comply with these instructions may result in personal injury. A WARNING: A control bar and brake function properly before each use of mower. WHILE OPERATING The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. 8. Do not run engine indoors. 9. Always maintain secure footing. Keep a firm grip on the handle and walk; never run. Never operate mower in wet grass. Mow only in daylight or in good artificial light. BEFORE OPERATING 1. Read this manual carefully before operating the mower. Become familiar with the controls and proper use of the mower. Never allow children to operate the mower or adults to operate it without proper instructions. 2. Keep everyone, especially children and pets, away from area of operation. Thoroughly inspect area where mower will be used and remove sticks, stones, wire, and debris. 3. Wear long pants and substantial shoes. Do not operate mower while wearing open-toed shoes, jewelry, loose clothing or when barefoot. 4. Always wear safety glasses or eye shields during operation to protect eyes from foreign objects that may be thrown from the machine. Wearing of hearing protection, protective gloves and a safety helmet is advisable. 5. Check fuel level before starting engine. Do not fill fuel tank indoors, when the engine is running, or until engine cools for several minutes after running. Wipe up spilled gasoline before starting engine.