Makita BHX2500 instruction manual Cleaning of air cleaner, Checking the spark plug

Page 15

2. Cleaning of air cleaner

WARNING ： INFLAMMABLES STRICTLY PROHIBITED

Interval of Cleaning and Inspection: Daily (every 10 operating hours)

(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 carburetor off from dust or dirt.

(4)If oil adheres to the element (sponge), squeeze it firmly.

(5)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.

(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 cleaner cover and plate breather.

(8)Immediately after cleaning is finished, attach the air cleaner cover and tighten it with fixing bolts. (In remounting, first place the upper claw, and then the lower claw.)

Plate

Element (sponge)

Air cleaner cover

Breather Part

Element (felt)

Fixing bolt

Pick this part and remove the element (felt).

DANGER

•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.

3.Checking the spark plug

(1)Opening/closing the plug cover

When opening the cover, apply fingers to the main handle and plug cover projection as shown in the figure right. Push up the projection and slide the cover in the “OPEN” direction.

When closing the cover, slide the cover in the “CLOSE” direction till the click under the plug cover projection rides over the engine cover. Finally, push in the projection.

(2) Removing the spark plug

Use an attached box wrench to remove or install the spark plug.

(3) Checking the spark plug

The clearance between two electrodes of spark plug (see the figure left) is 0.7 to 0.8 mm. Adjust to the correct clearance when it is too wide or too narrow.

Clean thoroughly or replace the spark plug if it has accumulated carbon or contaminated.

(4) Replacing the spark plug

For replacement, use NGK-CMR6A.

(1)

(2)

(3)

Lateral electrode (-)

Electrode clearance

0.7- 0.8 mm

(0.028-0.031 in)

15

Page 14 Page 16
Image 15
Page 14 Page 16
Contents BHX2500 English Table of Contents15meters Safety InstructionsMeters Resting Transport Refuelling Maintenance Tool ReplacementMethod of operation NGK CMR6A SpecificationDesignation of Parts Always wear protective gloves Assembly InstructionsInspection and Refill of Engine Oil Point 1 in Replacement of Oil Oil GaugePoint 2 in Replacement of Oil If oil spills out Before Start of OperationPoints for Fuel Storage of machine and refill tankWhen the engine is cold, or when the fuel it refueled OperationStarting Adjustment of Idling StoppingCheckup of low-speed rotation Operation Method Blower operationDust Collection Operation Inspection and Maintenance Replacement of engine oilPoints in replacement of engine oil Checking the spark plug Cleaning of air cleanerStorage Cleaning the fuel filterCleaning of parts Replacement of gaskets and packingsFault location State of abnormality Probable cause malfunction Remedy TroubleshootingEmission Compliance Period Owners Warranty Responsibilities Manufacturers Warranty CoverageWaranty Commencement Date What is CoveredWhat is not Covered HOW to File a ClaimWhere to GET Warranty Service Parts Covered Under the California Emission WarrantyMaintenance Statements Repair and Replacement of EMISSION-RELATED Parts Parts Covered Emission Component Defect Warranty PeriodObtaining Warranty Service HOW to Make a Claim Memo Makita Corporation
Top Page Image Contents