PRONAR T683, Operator'S Manual

Page: 124 / 147

Pronar T683 SECTION 5
5.22
The compressed air in the tank causes the removal of water to the
exterior.
Released valve stem should automatically close and stop flow of air from the
tank.
In the event, that the valve stem resists returning to its setting, then
the whole drain valve must be unscrewed and cleaned, or replaced (if
it is damaged) - see section 5.3.5.
Draining water from air tank:
•
every seven days of use.
5.3.5 CLEANING DRAIN VALVE
DANGER
Release air from tank before dismantling drain valve.
Required maintenance actions
Reduce pressure in air tank.
Reduction of pressure in tank is achieved by tilting the drain valve
stem.
Unscrew valve.
Clean valve, purge with compressed air.
Change copper seal.
Screw in valve, fill air tank, and check tank tightness.
Cleaning valve:
•
every 12 months (before winter period).