User manual HUSQVARNA 532446744

[. . . ] Gasoline containing up to 10% ethanol (E10) is acceptable for use in this machine. The use of any gasoline exceeding 10% ethanol (E10) will void the product warranty. Esta máquina puede utilizar gasolina con un contenido de hasta el 10% de etanol (E10). El uso de una gasolina que supere el 10% de etanol (E10) anulará la garantía del producto. [. . . ] 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. 14 MAINTENANCE TRACTOR Always observe safety rules when performing any maintenance. CAUTION: Use only a replacement blade approved by the manufacturer of your tractor. Using a blade not approved by the manufacturer of your tractor is hazardous, could damage your tractor and void your warranty. BRAKE OPERATION If tractor requires more than five (5) feet to stop at highest speed in highest gear on a level, dry concrete or paved surface, then brake must be serviced. (See “TO CHECK BRAKE” in the Service and Adjustments section of this manual). BLADE REMOVAL (See Fig. 13) • TIRES • Maintain proper air pressure in all tires (See PSI on 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. NOTE: To seal tire punctures and prevent flat tires due to slow leaks, tire sealant may be purchased from your local parts dealer. Tire sealant also prevents tire dry rot and corrosion. OPERATOR PRESENCE SYSTEM AND REVERSE OPERATION SYSTEM (ROS) Be sure operator presence and reverse operation systems are working properly. If your tractor does not function as described, repair the problem immediately. • The engine should not start unless the brake pedal is fully depressed, and the attachment clutch control is in the disengaged position. CHECK OPERATOR PRESENCE SYSTEM • When the engine is running, any attempt by the operator to leave the seat without first setting the parking brake should shut off the engine. • When the engine is running and the attachment clutch is engaged, any attempt by the operator to leave the seat should shut off the engine. • The attachment clutch should never operate unless the operator is in the seat. ROS "ON" Position Engine "ON" Position (Normal Operating) Raise mower to highest position to allow access to blades. NOTE: Protect your hands with gloves and/or wrap blade with heavy cloth. • Remove blade bolt by turning counterclockwise. • Install new blade with stamped "GRASS SIDE" facing the ground. IMPORTANT: To ensure proper assembly, center hole in blade must align with star on mandrel assembly. • Install and tighten blade bolt securely (45-55 Ft. IMPORTANT: Special blade bolt is heat treated. MANDREL ASSEMBLY BLADE BLADE BOLT (SPECIAL) STAR CENTER HOLE BATTERY Fig. [. . . ] Place throttle control in “FAST” position. Buildup of grass, leaves, trash under mower. Replace with blades listed in parts manual. Clogged mower deck vent holes from buildup 11. [. . . ]