Cleaning The Drain Valve; Cleaning And Maintaining Pneumatic Conduit; Connections And Pneumatic Sockets - PRONAR T680 Operator's Manual

Agricultural trailer
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Pronar T680
After release of the valve stem, the valve should automatically close and stop
airflow from the tank.
5.3.5

CLEANING THE DRAIN VALVE

DANGER
Release air from the air tank before dismantling drain valve.
Required maintenance actions
Cleaning valve:
Completely reduce pressure in air tank.
Unscrew valve.
Clean the valve, blow it with compressed air.
Change copper seal.
Screw in valve, fill tank with air and check tank tightness.
5.3.6
CLEANING AND MAINTAINING PNEUMATIC CONDUIT CONNECTIONS
AND PNEUMATIC SOCKETS
DANGER
Unreliable and dirty trailer connections may cause unreliability and faulty functioning of
braking system.
The compressed air in the tank causes the removal of water to the
exterior.
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 12 months (before winter period).
Reduction of pressure in tank is achieved by tilting the drain valve
stem.
5.24
SECTION 5

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T680pT680hT680u

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