Visslo F8 premier Operation Manual page 45

6.3 Maintence
Caution
1) Unplug if the machine is not working for a long period.
2) Cover tracing unit and edging unit unless the machine is not working to avoid dusts.
Piled dusts may affect the accuracy and cause trouble.
3) Please be sure to do starting check before operation and finishing check after
operation.
4) Please be sure to use appropriate dressing stick for wheel dressing.
If not ,it may cause damage for the wheel and not operate properly.
5) Please be sure to wear protection spectacles to do wheel dressing.
6) Keep enough water storage, 70%~80% of the tank capacity.
7) Replace dirty water with clean water.
8) It is recommended to replace wheels at every two years or after edging
2,500 pairs lenses.It is required to contact the authorized agency
who handle this machine
9) Check tension of belts and make it tight.
10) Replace wheels when it is regarded worned out.
11) Replace water proof seals if the codition of seals are bad.
12) Put more grease on lens clamp axis,lens rotating axis.
13) Replace pipes if the pipe is cracked or stucked.
14) Put the accessories in the designated place not to lose or not to give damage.
15) Check adaptor of outlet is not be stucked with impurities.