iii illllllllllllllll CUSTOMER R BI AIR FILTER (See Fig. 18) CLEAN AIR SCREEN (See Fig. 19) 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 ever,,, season, whicheveroccursfirst, Air screen must be kept free of dirt and chaff to prevent engine damage from overheating° Clean withawire brush or compressed air to remove dirt and stubborn dried gum fibers, Service air cleaner more often under dusty conditions, ENGINE COOLING FINS (See Fig.
19) * Remove knob(s) and cover., TO SERVICE PRE-CLEANER Remove any dust, dirt or' oil from engine cooling fins to prevent engine damage from overheating. = Remove screws from blower housing and lift housing and dipstick tube assembly off engine. Cover oil fill opening to prevent entry of dirt, . Slide foam pre-cleaner off cartridge, - Wash it in liquid detergent and water., = Squeeze it dry in a clean cloth, o Saturate it in engine oil. Wrap it in clean, absorbent cloth and squeeze to remove excess oil Use compressed air or stiff bristle brush to thoroughly clean engine cooling fins. ° To reassemble, reverse above procedure,.
if very dirty or damaged, replace pre-cleanero Reinstall pre-cleaner over cartridge. Reinstall cover and secure with knob(s),, SCREWS BLOWER HOUSING TO SERVICE CARTRIDGE SCREWS ° Remove cartridge nut,. = Carefully remove cartridge to prevent debris from en- terin_ carburetor'. Clean base carefully to prevent debns from entering carburetor. ° Clean cartridge by tapping gently on flat surface,, tfvery dirty or damaged, replace cartridge,. ° Reinstall cartridge, nut, precleaner, cover and secure with knob(s)o 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. AIR SCREEN DIPS_CK TUBE ASSEMBLY PLUG COVER KNOB -"'- ENGINE COOLING FINS FIG. 19 COVER CARTRIDGE NUT PAPER CARTRIDGE FIG. 18 20