Poulan PR17H42STD User Manual - Page 18
Air Filter See Fig. 17, Muffler, Spark Plugs, In-line Fuel Filter, See Fig. 18, Cleaning, Engine
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CUSTOMER RESPONSIBILITIES ENGINE COOLING FINS (See Fig. 16) Remove any dust, dirt or oil from engine cooling fins to prevent engine damage from overheating. • Remove oil fill cap/dipstick. • Remove hex bolts from blower housing and lift housing 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. HEX BLOWER HOUSING BOLTS HEX BOLTS COVER KNOB COVER FOAM PRE-CLEANER CARTRIDGE NUT PAPER CARTRIDGE BASE OILL FILL/ DIPSTICK TUBE AIR SCREEN FIG. 17 MUFFLER Inspect and replace corroded muffler and spark arrester (if equipped) as it could create a fire hazard and/or damage. ENGINE COOLING FINS SPARK PLUG SPARK PLUGS Replace spark plugs 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. FIG. 16 AIR FILTER (See Fig. 17) 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. • Remove knob(s) and cover. TO SERVICE PRE-CLEANER • 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. • Reinstall pre-cleaner over cartridge. • Reinstall cover and secure with knob(s). IN-LINE FUEL FILTER (See Fig. 18) The fuel filter should be replaced once each season. If fuel filter becomes clogged, obstructing fuel flow to carburetor, replacement is required. • With engine cool, remove filter and plug fuel line sections. • Place new fuel filter in position in fuel line with arrow pointing towards carburetor. • Be sure there are no fuel line leaks and clamps are properly positioned. • Immediately wipe up any spilled gasoline. CLAMP CLAMP FUEL FILTER TO SERVICE CARTRIDGE • Remove cartridge nut. FIG. 18 • Carefully remove cartridge to prevent debris from enter- CLEANING ing carburetor. Clean base carefully to prevent debris • Clean engine, battery, seat, finish, etc. of all foreign from entering carburetor. matter. • Clean cartridge by tapping gently on flat surface. If very dirty or damaged, replace cartridge. • Keep finished surfaces and wheels free of all gasoline, oil, etc. • Reinstall cartridge, nut, precleaner, cover and secure • Protect painted surfaces with automotive type wax. with knob(s). We do not recommend using a garden hose to clean your IMPORTANT: PETROLEUM SOLVENTS, SUCH AS tractor unless the electrical system, muffler, air filter and KEROSENE, ARE NOT TO BE USED TO CLEAN THE CARTRIDGE. THEY MAY CAUSE DETERIORATION OF THE CARTRIDGE. DO NOT OIL CARTRIDGE. DO NOT carburetor are covered to keep water out. Water in engine can result in a shortened engine life. USE PRESSURIZED AIR TO CLEAN OR DRY CARTRIDGE. 18