(3)(4)1. Before operation, pay particular attention to the tightness of Cutter Blade ornylon cutting head.Check bolts and nuts and retighten if necessary.: Every 8 hour (Daily)2. Check clogging of the cooling air passage and the cylinder fins. Clean them ifnecessary.: Every 8 hours (Daily)3. Cleaning of air cleanerRaise the lock lever (1) of the air cleaner cover and release the lock.–Hold the right and left sides of the air cleaner cover, press it to the inside and–then remove it.Push the choke lever (2) up (arrow), to prevent dirt particles from entering the–carburetor.Remove the sponge element (3).–Wash it with lukewarm water and then dry it throughly.After cleaning, put back the sponge element and install the air cleaner cover (4)–and tighten the screw to secure.NOTE: If there is excessive dust or dirt adhering to the air cleaner, clean it everyday. A clogged air cleaner may make it difficult or impossible to start or runthe engine at proper rotational speeds.5. Supply of grease to gear case.Apply grease (SHELL ALVANIA No. 3 or equivalent) to the gear case throughthe grease hole (3) every 30 hours.(Genuine MAKITA grease may be purchased from your MAKITA dealer.)6. Cleaning of muffler exhaust port: Every 50 hours (Monthly)If the exhaust port (4) is clogged with carbon, remove it by scraping and tappinggently with a screwdriver or the like.7. Check of fuel filter. If clogged, clean the filter.8. Replace fuel lines.: Every 200 hours (Yearly)9. Overhaul engine.: Every 200 hours (Yearly)10. Replace packings and gaskets with new ones.: Every time engine isreassembled.0.6 mm – 0.7 mm(0.024” – 0.028”)Gear caseMAINTENANCE SCHEDULE(1)(2)(3)(4)4. Checkup of spark plug.: Every 8 hours (Daily)The gap between the two electrodes of the spark plug should be 0.6 to 0.7 mm(0.024” to 0.028”).If the gap is too wide or too narrow, adjust it.If the spark plug is clogged with carbon or fouled, clean it thoroughly or replaceit.20