User manual HUSQVARNA 6521RS

[. . . ] Owner’s Manual ROTARY LAWN MOWER 650 Series Briggs & Stratton Engine Power-Propelled 21" Multi-Cut Model Number 6521RS Product Number 961 45 00-05 01 2007-05 CAUTION: Read and follow all Safety Rules and Instructions before operating this equipment 532 41 44-89 Rev. Failure to do so could be hazardous, damage your lawn mower and void your warranty. SAFETY RULES IMPORTANT: This cutting machine is capable of amputating hands and feet and throwing objects. Failure to observe the following safety instructions could result in serious injury or death. [. . . ] Viscous lubricants will attract dust and dirt that will shorten the life of the self-lubricating bearings. If you feel they must be lubricated, use only a dry, powdered graphite type lubricant sparingly. LAWN MOWER Always observe safety rules when performing any maintenance. TIRES • Keep tires free of gasoline, oil, or insect control chemicals which can harm rubber. € Avoid stumps, stones, deep ruts, sharp objects and other hazards that may cause tire damage. DRIVE WHEELS Check rear drive wheels each time before you mow to be sure they move freely. The wheels not turning freely means trash, grass cuttings, etc. Are in the drive wheel area and must be cleaned to free drive wheels. If necessary to clean the drive wheels, be sure to clean both rear wheels. BLADE CARE For best results, blade must be kept sharp. CAUTION: Use only a replacement blade approved by the manufacturer of your mower. Using a blade not approved by the manufacturer of your mower is hazardous, could damage your mower and void your warranty. Disconnect spark plug wire from spark plug and place wire where it cannot come in contact with plug. Make sure air filter and carburetor are up. Use a wood block between blade and mower housing to prevent blade from turning when removing blade bolt. NOTE: Protect your hands with gloves and/or wrap blade with heavy cloth. Position blade on the blade adapter aligning the two (2) holes in the blade with the raised lugs on the adapter. Install the blade bolt with the lock washer and hardened washer into blade adapter and crankshaft. Use block of wood between blade and lawn mower housing and tighten the blade bolt, turning clockwise. If bolt needs replacing, replace only with approved bolt shown in the Repair Parts section of this manual. Blade adapter Lockwasher Blade Key Crankshaft keyway Blade bolt Hardened washer Trailing edge Crankshaft TO SHARPEN BLADE NOTE: We do not recommend sharpening the blade - but if you do, be sure the blade is balanced. an unbalanced blade will cause eventual damage to mower or engine. [. . . ] Of California to cause cancer and birth • Stop the blade(s) when crossing gravel defects or other reproductive harm. € Stop the engine (motor) whenever you CAUTION: Muffler and other engine leave the equipment, before cleaning parts become extremely the mower or unclogging the chute. Hot during operation and • Shut the engine (motor) off and wait remain hot after engine until the blade comes to complete stop has stopped. to avoid before removing grass catcher. [. . . ]