Husqvarna Z548 Owner Manual - Page 19
Moving Machine By Hand, Bypass Valves, Hydro Pumps
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O P E R AT I O N WARNING! Do not drive the rider on terrain that slopes more than 10 degrees. Mow slopes up and down, never side to side. Avoid sudden directional changes. Mowing Tips • Find and flag rocks and other fixed objects to avoid collisions. • Begin with a high cutting height and reduce it until the desired mowing result is attained. Cut the average lawn to 2-1/2" (63.5 mm) during the cool season and over 3" (76.2 mm) during the hot months. For healthier and better looking lawns, mow often after moderate growth. • For best cutting performance, mow grass over 6" (15.2 cm) in height twice. Make the first cut relatively high; the second to the desired height. • The mowing result will be best with a high engine speed (the blades rotate rapidly) and low speed (the rider moves slowly). If the grass is not too long and dense, the driving speed can be increased without negatively affecting the mowing result. • When mowing large areas, start by turning to the right so that clippings will discharge away from shrubs, fences, driveways, etc. After one or two rounds, mow in the opposite direction making left hand turns until finished. • Use compressed air to clean top surface of the deck. Avoid flooding water on top surface, engine and electrical components. • When the mulching kit is used, it is important that the mowing interval is frequent. WARNING! Do not make adjustments unless: • the engine is stopped, • the ignition key is removed, • the park brake is engaged Moving Machine By Hand Bypass Valves Bypass valves are used to release the system so the machine may be moved by hand when not running. Hydro Pumps When pushing or pulling the mower, engage the bypass valve on each transaxle. Tip the seat forward to access the hydro fan cover. Pump release valves are located at the top rear of the pump. Use a torque wrench with an extender to reach the valve. • The finest lawns are obtained by mowing often. The lawn becomes more even and the grass clippings more evenly distributed over the mown area. The total time taken is not increased as a higher operating speed can be used without poor mowing results. • Avoid mowing wet lawns. The mowing result is poorer because the wheels sink into the soft lawn, clumps build, and grass clippings fasten under the cowling. • Hose the mower deck underside with water after each use. When cleaning, the mower deck shall be raised into the transport position. Make sure the mower is cooled and the engine is off. The indents in the valve sit front to back when the machine is in drive. To use bypass, turn the pump release valve one half turn in either direction. Reverse the procedure to reset the pump. Load the machine into truck or trailer by driving up ramps in low gear. DO NOT LIFT! The machine is not intended to be lifted by hand. WARNING! Use extreme caution when loading the machine into a truck or trailer using ramps. There is the possibility of serious injury or death if the machine falls off the ramps. 19
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