Maintenance and maintenance of chain saw

1.Maintenance and maintenance of the fuel supply system

1.Cleaning tank regular , fuel filter, check whether the tubing is unblocked and aging and replace if necessary.

2.Cleaning air filter everyday , and according to the working condition to increase cleaning frequency. 

3.Carburetor is the most important components of the chain saw the fuel supply system, carburetor should be regular maintenance, ensure the oil duct unobstructed, adjust to all is right.

2. The cleaning and check of cylinder, piston

1.after use chain saw 100 hours, cylinder, piston should be clean,  and check the grinding of cylinder,piston ring and other components .

2.Check whether there is any scratch on the cylinder wall, flaking. Put on the piston ring cylinder block in the work area to check clearance shall not be more than 1 mm .Check the needle bearing if damaged.

3.Washing cylinder, piston, bearing, pay attention to remove the piston top, top ring groove, cylinder, in the place such as porosity, pressure reducing valve Carbon deposit.

4.The piston pin hole, the place such as needle roller bearing, cylinder wall thin coating lubricant, the piston at the top of the arrow to vent, mount the spring of piston pin.

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