Husqvarna SD22H Owner Manual - Page 16
Engine, Fueling, Cutting Unit, Depth Lever, Clutch, Flail Blades or Spring Tines, Delta Blades
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CONTROLS Engine Refer to your engine manual. Fueling Read the safety instructions before fueling. Keep the fuel and fuel tank clean. Avoid filling the machine with dirty fuel. Make sure the fuel cap is properly tightened and the gasket is not damaged, particularly before washing the machine. Use unleaded gasoline with minimum 86 octane rating. Never use gasoline mixed with two-cycle oil. For ethanol and methanol fuel, the following applies: Maximum allowable ethanol 10% (volume). Maximum allowable methanol 5% (volume). Maximum allowable MTBE (Methyl Tertiary Butyl Ether) 15% (volume). The engine can be damaged if it knocks or pings at normal load. Drain the fuel tank and replace with fresh fuel. If this does not help, contact an authorized service workshop. Do not fill the tank completely; leave space for the fuel to expand as it warms up. Cutting Unit Depth Lever Use the depth lever to raise and lower the blades between working and transport position. The depth lever has a lock-out bolt that should be left in until the blades wear down. Then move the bolt to a lower hole to allow the blades to penetrate the soil. • Flail Blades or Spring Tines Set blade or tine depth so that the blades or tines just touch on a flat surface such as a sidewalk or driveway. • Delta Blades Set blades to penetrate the soil to a depth of 1/8" to ¼" with a maximum penetration of ½". Check seed bag for the manufacture's recommended depth of application • Lawns with deep thatch exceeding ¾" may be best dethatched in two treatments (spring and fall) to avoid major shock to an older lawn. 8011-019-1 WARNING! Gasoline is highly flammable. Observe caution and fill the tank outdoors. (See the safety instructions.) Clutch The clutch tightens the drive belt and engages the drive for the blades. When the clutch lever is pressed against the handle, the blades begin to rotate. Hold the clutch tightly when working so the belt does not slip. 16 8060-016