CUSTOMER LITllES ' " :::: = : : :: ..... ; CLEAN AIR INTAKF_-JCOOLING AREAS ENGINE OIL FILTER To insure proper cooling, make sure the grass screen, cooling fins, and other external surfaces of the engine are kept clean at all times. Every 100 hours of operation (more often under extremely dusty, dirty conditions), remove the blower housing and other cooling shrouds. Clean the cooling fins and external surfaces as necessary° Make sure the cooling shrouds are reinstalled. Replace the engine oil filter every season or every other oil change if the tractor is used more than 100 hours in one year.
MUFFLER Inspect and replacecorroded muffler and spark arrester (if equipped) as it couldcreate a fire hazard and/or damage. NOTE: Operating the engine with a blocked grass screen, dirb] or plugged cooling fins, and/or cooling shrouds re- moved will cause engine damage due to overheating,. 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" on page 3 of this manual. AIR FILTER (See Fig. 16) Your engine will not run properly using a dirty, air filter. Clean the foam pre-cleaner after every 25 hours of opera- tion or every season.
Service paper cartridge every 100 hours of operation or every season, whichever occurs first. IN-LINE FUEL FILTER (See Fig. 17) The fuel filter should be replaced onceeach season° If fuel fitter becomes clogged,obstructing fuel flow to carburetor, replacement is required, ° With engine coot, remove filter and plug fuel line sections. Place new fuel filter in positionin 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° Service air cleaner more often under dusty conditions. , Loosen knob and remove cover.. TO SERVICE PRE-CLEANER ° Slide foam pre-cleaner off cartridge.
° Wash it in liquid detergent and water. = Squeeze it dr,] in a clean cloth.. Allow it to dry. * Saturate it in engine oil,. Wrap it in clean, absorbent cloth and squeeze to remove excess oil TO SERVICE CARTRIDGE CLAMP ° Replace a dirty, bent, or damaged cartridge. NOTE: Do not wash the paper cartridge or use pressurized air, as this will damage the cartridge. , Remove nut and cartridge plate. = Reinstall the pre-cleaner (cleaned and oiled) over the paper cartridge. o Check rubber seal for damage and proper position around stud. Replace if necessary. o Reassemble air cleaner, cartridge plate, and nut. ° Reinstall air cleaner cover and secure by tightening knob. CLAM| FUEL RLTER FIG.
17 CLEANING = Clean engine, battery, seat, finish, etCo of all foreign matter. Keep finished surfaces and wheels free of all gasoline, oil, etc. ° Protect painted surfaces with automotive 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. CARTRIDGE FOAM PRE_;LEANER \ CAR'[RIDGE PLATE RUBBER SEAL NUT FIG. 16 20