1. The gasoline and two-stroke Komatsu gasoline engine special lubricants mixed with 50: 1 ratio or the use of the market to sell the two-stroke oil 25: 1 ratio of mixing, and shake evenly. Specific methods refer to the gasoline engine manual.

2. Check whether the wheel damage and moisture deformation, the end surface is smooth, if the normal use of the wheel should be replaced immediately. Press the stop button above the spindle (stop button can only be used as a disassembly lock nut, prohibited as a stop brake), use the machine to carry the wrench, the grinding wheel lock nut off, replace the new wheel The Install the grinding wheel with the same way to tighten the lock nut. (Note: If the lock nut is not easy to remove through the stop button, you can use other wrenches on the back of the grinding wheel in the flat side, and then forced to disassemble.

3. Start the gasoline engine, no-load operation of not less than 30 seconds, one hand to hold the front armrest, one hand after holding the handrail, internal combustion engine warmer, gradually increase the throttle, if no abnormal sound, the equipment is running smoothly and then polished.