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CAUTION
Repair the machine in accordance with “Instruction manual” or “Safety instructions.
Follow the instructions described below in advance before repairing:
·
Wear gloves.
·
Remove the cutting tool from the unit, and if it is a saw blade, attach the blade cover to the blade.
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When the engine is hot from use, cool down the engine enough or you can get burned.
·
Remove remaining fuel from Fuel tank and Carburetor completely. [FLAMMABLE MATERIAL KEEP FIRE AWAY]
·
Remove Spark plug cap from Spark plug.
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Repair the engine on a stable workbench and in a clean workplace kept as free of dust and debris as possible.
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In order to avoid wrong reassembly, draw or write down where and how the parts are assembled, and what are the parts.
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It is also recommended to have boxes ready to keep disassembled parts by group.
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Handle the disassembled parts carefully. Clean and wash them properly.
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If some bolts and screws are too tight, use an impact driver.
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Tighten the bolts and the screws to the specified torque as shown in "7 TIGHTENING TORQUE SPECIFICATIONS".
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Each time after you mounted a main part of the engine such as the piston, check if it moves smoothly without abnormal noise by
manually turning the crankshaft.
·
After completion of reassembly, check for loose parts or abnormal noise and vibration by manually turning the crankshaft.
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HANDLING OF GASKET
Once Gasket is removed:
[1] Clean up the mating surfaces where the gasket was installed to maintain its sealing performance.
[2] Replace the removed Gaskets with new ones. Do not reuse them.
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