21Pick this part and remove the element (felt).PlateElement (sponge)Air cleaner coverFixing boltElement (felt)Breather PartCLEANING OF AIR CLEANERDANGER: INFLAMMABLES STRICTLY PROHIBITEDInterval of Cleaning and Inspection: Daily (every 10 operating hours)– Turn the choke lever to the full close side, and keep the carburetor off fromdust or dirt.– Remove the air cleaner coverfixing bolts.– Pull the cover lower side and detach the air cleaner cover.– If oil adheres to the element (sponge), squeeze it firmly.– For heavy contamination:1) Remove the element (sponge), immerse it in warm water or in water-diluted neutral detergent, and dry it completely.2) Clean the element (felt) with gasoline, and dry it completely.– Before attaching the element, be sure to dry it completely. Insufficient dryingof the element may lead to difficult startup.– Wipe out with waste cloth, oil adhering around the air cleaner cover and platebreather.– Immediately after cleaning is finished, attach the cleaner cover and tighten itwith fixing bolts. (In remounting, first place the upper claw, and then the lowerclaw.)Points in handling air cleaner element– Clean the element several times a day, if excessive dust adheres to it.– If operation continues with the element remaining not cleared of oil, oilin the air cleaner may fall outside, resulting in oil contamination.0.7 mm - 0.8 mm(0.028” - 0.032”)CHECKING THE SPARK PLUG– Only use the supplied universal wrench to remove or to install the spark plug.– The gap between the two electrodes of the spark plug should be 0.7 - 0.8 mm(0.028” - 0.032”). If the gap is too wide or too narrow, adjust it. If the sparkplug is clogged or contaminated, clean it thoroughly or replace it.CAUTION: Never touch the spark plug connector while the engine is running(danger of high voltage electric shock).Gear caseGrease holeSUPPLY OF GREASE TO GEAR CASE– Supply grease (Shell Alvania 2 or equivalent) to the gear case through thegrease hole every 30 hours. (Genuine MAKITA grease may be purchasedfrom your MAKITA dealer.)