Dental Delivery Unit Operation Manual
REV-A Page 37 of 43
7.2 Clean Valve
7.2.1 Relief-pressure valve
Water filter is placed a air release port in the junction unit, it is necessary to release pressure
as the condition as below:
More than a week used;
Water in the filter cup more than 3/4;
Water in the filter cup is not pure.
To release pressure as followed:
Cut off the main power;
Open the junction unit cover, pull the spinner of the relief pressure valve about 10mm;
keep
0.5MPa in
the valve of manometer, then tight the value.
To release water as below:
Open the cover of junction unit, Upward force the bottom of valve core, pull the water out,
loose once the water is over;
B) using the absorbent material to sop on the port , such as cloth, paper towels and sponges.
7.2.2 Bottle Filter
Bottle filter is placed in the junction unit, for pulling out the pressure and water;
Cut off the main power;
Open the cover of junction unit, Upward about 10mm of the valve handle;
Keep
0.2MPa in
the valve of manometer, then tight the handle.
7.3 Clean Suction Syringe Tubes
When you finished the work a day, please put the suction syringe into water to suck the water
and clean dust or impurity inside tubes.
