Poulan 271490 User Manual - Page 19
Muffler, Spark Plugs, Engine Cooling Fins, Air Filter, Important, In-line Fuel Filter
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AIR FILTER Your engine will not run properly using a dirty air filter. Clean the foam pre-cleaner after every 25 hours of operation or every season. Service paper cartridge every 100 hours of operation or every season, whichever occurs first. Service air cleaner more often under dusty conditions. 1. Remove knob(s) and cover. TO SERVICE PRE-CLEANER 2. Slide foam pre-cleaner off cartridge. 3. Wash it in liquid detergent and water. 4. Squeeze it dry in a clean cloth. 5. Saturate it in engine oil. Wrap it in clean, absorbent cloth and squeeze to remove excess oil. NOTE: If very dirty or damaged, replace pre-cleaner. 6. Reinstall pre-cleaner over cartridge. 7. Reinstall cover and secure with knob(s). TO SERVICE CARTRIDGE 1. Remove cartridge nut. 2. Carefully remove cartridge to prevent debris from entering carburetor. Clean base carefully to prevent debris from entering carburetor. 3. Clean cartridge by tapping gently on flat surface. NOTE: If very dirty or damaged, replace cartridge. 4. Reinstall cartridge, nut, precleaner, cover and secure with knob(s). IMPORTANT: Petroleum solvents, such as kerosene, are not to be used to clean the cartridge. They may cause deterioration of the cartridge. Do not oil cartridge. Do not use pressurized air to clean or dry cartridge. Cover Knob Cover Cartridge Nut 2. Cover oil fill opening to prevent entry of dirt. 3. Use compressed air or stiff bristle brush to thoroughly clean engine cool- ing fins. 4. To reassemble, reverse above pro- cedure. Blower Housing Screws Screws Dipstick Tube Assembly Air Screen Engine Cooling Fins Spark Plug MUFFLER Inspect and replace corroded muffler and spark arrester (if equipped) as it could create a fire hazard and/or damage. SPARK PLUG(S) Replace spark plug(s) at the beginning of each mowing season or after every 100 hours of operation, whichever occurs first. Spark plug type and gap setting are shown in "PRODUCT SPECIFICATIONS" section of this manual. IN-LINE FUEL FILTER The fuel filter should be replaced once each season. If fuel filter becomes clogged, obstructing fuel flow to carburetor, replacement is required. 1. With engine cool, remove filter and plug fuel line sections. 2. Place new fuel filter in position in fuel line with arrow pointing towards carburetor. 3. Be sure there are no fuel line leaks and clamps are properly positioned. 4. Immediately wipe up any spilled gasoline. Clamp Clamp Foam PreCleaner Paper Cartridge Base 01038 ENGINE COOLING FINS Remove any dust, dirt or oil from engine cooling fins to prevent engine damage from overheating. 1. Remove screws from blower housing and lift housing and dipstick tube assembly off engine. Fuel Filter 00667 CLEANING • Clean engine, battery, seat, finish, etc. of all foreign matter. • Keep finished surfaces and wheels free of all gasoline, oil, etc. • Protect painted surfaces with auto- motive type wax. We do not recommend using a garden hose to clean your tractor unless the electrical system, muffler, air filter and carburetor are covered to keep water out. Water in engine can result in a shortened engine life. 19