Husqvarna 226HS99S Owners Manual - Page 16

English Maintenance SAFETY LOCK • Stop operation when the safety lock is defective. • Safety lock is the device not to accelerate the throttle lever without intention. While pushing the safety lock, you can accelerate the throttle lever. (1) (1) Safety lock PROCEDURES TO BE PERFORMED AFTER EVERY 100 HOURS OF USE 1. Tighten all screws, bolts, and fittings. 2. Check to see if any oil or grease has worked its way in between the clutch lining and drum, and if it has wipe it away using oil-free, lead-free gasoline. 3. Remove the muffler, insert a screwdriver into the vent, and wipe away any carbon buildup. Wipe away any carbon buildup on the muffler exhaust vent and cylinder exhaust port at the same time. 1. Check if the throttle lever does not move when you do not push the safety lock. 2. Check if the throttle lever moves when you grasp or release it while pushing the safety lock. 3. Check if the safety lock returns to its original position when you release your hand from safety lock. • If you find any defects at the checks above, contact your nearest servicing dealer for repair. REDUCTION GEARBOX Refill gear housing every 50 working hours. Use greese pump. Feed greese until it comes out of the base of blades. • Grease nipple : A type ANTI-VIBRATION SYSTEM The deformed or damaged anti-vibration system may cause of the breakages like getting rickety or falling off of engine and/or blade • Check periodically if the rubber cushions are not deformed or damaged. MUFFLER WARNING • Inspect periodically, the muffler for loose fasteners, any damage or corrosion. If any sign of exhaust leakage is found, stop using the machine and have it repaired immediately. • Note that failing to do so may result in the engine catching on fire. IMPORTANT • Before starting operation, always make sure to check if the muffler is properly held by three bolts. (Fastening Torque : 8 to 12 N·m) • Also make sure that the speak arrester and the diffuser are properly attached with four bolts. (Fastening Torque : 2 to 3 N·m) • Even if one of seven bolts is loose, it may result in engine catching on fire. SPARK ARRESTER • The muffler is equipped with a spark arrester to prevent red hot carbon from flying out of the exhaust outlet. Periodically inspect and clean as necessary with a wire brush. In the State of California it is required by law (Section 4442 of the California Pulic Resources Code) to equip a spark arrester when a gas powered tool is used in any forest covered, bush covered, or grass covered unimproved land. (1) (1) Bolt (2) Spark arrester (2) 16