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Does anyone know how to repair a chainsaw?

Updated:06-05-2022
Step 1: We will directly manually pull the chain saw to see the overall operation status. At this time, we can judge according to the lost information: whether there is a stuck cylinder (experienced can directly judge whether there is a tightening and pulling the cylinder), whether there is a difference sound (it can be judged whether the magnetic flywheel and crankshaft are damaged or not), and whether the starting assembly is faulty. And replace or maintain parts according to relevant conditions.

Step 2: Discriminating circuit. Remove the spark plug (the spark plug is under the air filter cover), and check whether the spark plug can deposit carbon and whether the contact is normal. Make the spark plug discharge partially touch the cylinder or conduct electricity with the crankcase partially, and pull the chain saw. At this time, you can check the circuit, such as whether there is electricity, the size of the electricity and whether the discharge distance is bumpy. This step can check whether the spark plug, coil and igniter are normal.
 

Step 3: Block the inside of the spark plug of the cylinder with your fingers, and pull the pull plate to check whether the cylinder can pull the cylinder. Or remove the muffler, and see if the piston has a pull mark on the cylinder muffler from the cylinder muffler.

Step 4: Check the oil circuit. Remove the carburetor and clean it, and adjust the carburetor pointer appropriately according to the condition. Unscrew the fuel cap and check the fuel filter. And check the oil pipe, intake pipe, etc. for damage.




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