Makita BHX2501 Instruction Manual

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Contents

152. Cleaning of air cleanerInterval of Cleaning and Inspection: Daily (every 10 operatinghours)(1) Remove the air cleaner cover-fixing bolts.(2) Pull the cover lower side and detach the air cleaner cover.(3) Turn the choke lever to the full close side, and keep the carbu-retor off from dust or dirt.(4) If oil adheres to the element (sponge), squeeze it firmly.(5) For heavy contamination:• Remove the element (sponge), immerse it in warm water orin water-diluted mild detergent, and dry it completely.• Clean the element (felt) with gasoline, and dry it completely.(6) Before attaching the element, be sure to dry it completely.Insufficient drying of the element may lead to difficult startup.(7) Wipe out with waste cloth, oil adhering around the air cleanercover and plate breather.(8) Immediately after cleaning is finished, attach the air cleanercover and tighten it with fixing bolts. (In remounting, first placethe upper claw, and then the lower claw.)3. Checking the spark plug(1) Opening/closing the plug coverWhen opening the cover, apply fingers to the main handleand plug cover projection (Figure 1). Push up the projectionand slide the cover in the “OPEN” direction (Figure 2).When closing the cover, slide the cover in the “CLOSE”direction till the click under the plug cover projection ridesover the engine cover. Finally, push in the projection.(2) Removing the spark plugUse an attached box wrench to remove or install the sparkplug (Figure 3).(3) Checking the spark plugThe clearance between two electrodes of spark plug is 0.7to 0.8 mm (Figure 4). Adjust to the correct clearance when itis too wide or too narrow.Clean thoroughly or replace the spark plug if it has accumu-lated carbon or contaminated.(4) Replacing the spark plugFor replacement, use NGK-CMR6A.WARNING: INFLAMMABLES STRICTLY PROHIBITEDDANGER• Clean the element several times a day, if excessive dust adheres to it.• If operation continues with the element remaining not cleared of oil, oil in the air cleaner may fall outside, resulting in oil contamination.PlateElement(sponge)Air cleanercoverBreather PartElement(felt)Fixing boltPick this part and remove theelement (felt).Figure 1Figure 3Lateral electrode (–)Figure 2Figure 4Electrode clearance0.7 - 0.8 mm

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BHX2501

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