A- Because the senwart chainsaw chain's blade is very sharp, to ensure safety, during the installation, one must wear thick protective gloves. According to the following 7 steps can be correctly installed chainsaw guide bar and chain.

1, Pull the chain saw front bezel back, please make sure the brake is released.

2, Loosen and remove the two M8 nuts and remove the right side cover of the senwart chainsaw.

3, first of all, the chain saw guide plate installed in the host above, and then the chainsaw chain installed in the sprocket and guide plate guide groove, and pay attention to the direction of the chain saw teeth.

4, properly adjust the tensioning screw located on the outside of the right side of the cover, refer to the blue line above, so that the tensioning pin is aligned with the guide plate pin holes.

5, the right side of the chainsaw cover to the host, also refer to the same blue line, so that the front baffle pin into the box pinhole, and then slightly tighten the two M8 nuts.

6, left-hand lifts the guide plate, right hand with a screwdriver right turn the tension screw, properly adjust the chain tension and check the chain tension by hand, when the hand strength reaches 15-20N, the chain and the guide plate of the standard spacing is about 2mm.

7, finally tighten the two M8 nuts, and then use both hands (wearing gloves) to turn the chain, check the chain transmission is smooth and that the adjustment is complete; if not smooth first check the reasons, and then re-adjusted according to the above order.

B- how to better frustrate the grinding chain saw on the chain cutter head?

1, first of all, the chain to increase the tension to make it firmly fixed on the guide plate.

2, then according to the requirements of the round file from the front of the direction of the body to maintain the correct angle, has been holding down the file towards the front of the frustration grinding.

3, Frequent grinding of the chain will reduce the cutting surface of the chain, insert the groove bar into the chain, and use a flat file to remove the protruding part of the flat surface.

4, Finally, file the corners into an arc, so that the height of the saw teeth two-point trimming column to 0.64-0.65mm.

Chainsaw guide bar,  Chain, Chainsaw chain