RedMax PSZ2460S Owners Manual - Page 16

9. Maintenance ■ SAW CHAIN WARNING It is very important for smooth and safe operation to keep the cutters always sharp. MA8 Your cutters need to be sharpened when: • Sawdust becomes powder-like. • You need extra force to saw in. • The cut way does not go straight. • Vibration increases. • Fuel consumption increases. Cutter setting standards: WARNING Be sure to wear safety gloves. MA9 MA6 Before filing: • Make sure the saw chain is held securely. • Make sure the engine is stopped. • Use a round file of proper size for your chain. (1) MA10 Chain type : 90SG File size : 5/32 in (4.0mm) Place your file on the cutter and push straight forward. Keep the file position as illustrated. (MA6) (1) PSZ2460S Make sure every cutter has the same length and edge angles as illustrated. (MA8) (4) Cutter length (5) Filing angle U S (6) Side plate angle (7) Top plate cutting angle ■ AIR FILTER • The air filter, if clogged, will reduce the engine performance. Check and clean the filter element. If the element is broken or clogged, replace with a new one. (MA9) (1) Air filter ■ FUEL FILTER • When the engine runs short of fuel supply, check the fuel cap and the fuel filter for blockage. (MA10) (1) Fuel filter MA7 MA11 After every cutter has been set, check the depth gauge and file it to the proper level as illustrated. (MA7) WARNING Be sure to round off the front edge to reduce the chance of kickback or tiestrap breakage. (1) Appropriate gauge checker (2) Make the shoulder round (3) Depth gauge standard .026 in 0.65 mm ■ SPARK PLUG • Starting failure and mis-firing are often caused by a fouled spark plug. Clean the spark plug and check that the plug gap is in the correct range. For a replacement plug, use the correct type specified by RedMax. (MA11) • REPLACEMENT PLUG IS A NGK CMR7H. IMPORTANT • Note that using any spark plug other than those designated may result in the engine failing to operate properly or in the engine becoming overheated and damaged. • To install the spark plug, first turn the plug until it is finger tight, then tighten it a quarter turn more with a socket wrench. US-15