sparraw SP RUN104 Manuel D'utilisation page 34

Adjusting bolt
• CLEANING: Don't use abrasive products. A damp cloth is enough.
• LEVELING: If your unit is provided with leveling wheels, please adjust them
in order to avoid vibrations and therefore malfunctions.
• KEEP THESE MAINTENANCE ADVISES FOR FUTURE REFERENCES
VII.RECYCLING INFORMATION
• TIGHTEN THE DRIVE BELT: if the drive belt becomes
loose after using for a period of time, you need to:
(1) Open the motor cover .
(2) Use the 6mm wrench to turn the adjusting
bolt clockwise.
Repeat this procedure until the drive belt is not slippery
anymore.
if the running belt slips,use 6mm wrench,turn
both sides bolts 1/4 clockwise.Repeat this
procedure until the belt is properly tightened.