SAKAWA BS7001 Manuel De L'utilisateur page 145

The counter blade is also reversible. When the edge of the counter blade is rounded it can be
rotated. When all the edges are worn out, it should be replaced by a new one.
The space between the blade and the counter blade should always be 1mm.
7.2.8. ADJUSTMENT OF THE STRAP
The strap has to have such a tension that when pressed with your fingers you can flex 9mm. To
adjust the tension of the belt you have to move the motor, for this:
1.- Loosen the 4 screws of the engine.
2.- Move the motor with the horizontal screws until the desired tension is achieved.
3.- Tighten the screws of the engine.
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