Cleaning The Drain Valve - PRONAR T663/4 Operator's Manual

SECTION 5
FIGURE 5.8 Draining water from air tank
(1) drain valve, (2) air tank
Draining water from air tank:
5.3.5

CLEANING THE DRAIN VALVE

Required maintenance activities
Completely reduce pressure in air tank.
Unscrew valve.
Clean valve, blow with compressed air.
If the valve stem resists returning to its position, then the whole drain
valve must be unscrewed and cleaned or replaced (if it is damaged) -
see section 5.3.5.
• every seven days of use.
Reduction of pressure in tank is achieved by tilting the drain valve
stem.
5.19
Pronar T663/4 T663/4 SILO