Poulan HD145H42D User Manual - Page 18
Filter, Clean, Screen, Engine, Cooling
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CUSTOMER RESPONSIBILITIES oli6IIMMI=1.0MIMMINSWIMOIM SINIMINMENIF 1.A.113 AIR FILTER (See Fig. 14) CLEAN AIR SCREEN (See Fig. 14) 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. Air screen must be kept free of dirt and chaff to prevent engine damage from overheating. Clean with a wire brush or compressed air to remove dirt and stubborn dried gum fibers. Service air cleaner more often under dusty conditions. • Remove knob(s) and cover. TO SERVICE PRE-CLEANER ENGINE COOLING FINS (See Fig. 15) Remove any dust, dirt or oil from engine cooling fins to prevent engine damage from overheating. • Slide foam pre-cleaner off cartridge. • Wash it in liquid detergent and water. • Squeeze it dry in a clean cloth. • Saturate it in engine oil. Wrap it in clean, absorbent cloth and squeeze to remove excess oil. • If very dirty or damaged, replace pre-cleaner. • Remove screws from blower housing and lift housing and dipstick tube assembly off engine. • Cover oil fill opening to prevent entry of dirt. • Use compressed air or stiff bristle brush to thoroughly clean engine cooling fins. • To reassemble, reverse above procedure. • Reinstall pre-cleaner over cartridge. • Reinstall cover and secure with knob(s). TO SERVICE CARTRIDGE SCREWS BLOWER HOUSING SCREWS • Remove cartridge nut. • Carefully remove cartridge to prevent debris from entering carburetor. Clean base carefully to prevent debris from entering carburetor. • Clean cartridge bytapping gently on flat surface. If very dirty or damaged, replace cartridge. • Reinstall cartridge, nut, precleaner, cover and secure with knob(s). DIPSTICK TUBE ASSEMBLY AIR SCREEN 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 ENGINE COOLING FINS FIG. 15 SPARK PLUG COVER" CARTRIDGE NUT FOAM PRE-CLEANER FIG. 14 PAPER CARTRIDGE BASE 18