PACIFIC D23
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P a g e
PACIFIC D23
Nardi Compressori – www.nardicompressori.com
7.18
VALVE REPLACEMENT – THIRD STAGE:
The steps for replacement or cleaning of the valve are the following::
•
Disconnect the cooling hoses from the fittings.
•
Remove the screws and detach completely the head from the cylinder.
•
Put the head in a vice.
•
Unscrew the valve bodies (one of these bodies is unscrewed with a special tool
that is to be requested to Nardi Compressori).
•
Clean and remove all debris.
•
If the parts show signs of wear, change the worn parts.
•
Mount all the components following the same sequence and changing the seals.
•
On the bottom of the head there are three points that need to be engraved with a
punch after the valve is set.
•
Test the valve by blowing compressed air in the flow direction.
•
Check the O-ring seal and replace if damaged.
•
Attach the head to the cylinder.
•
Secure the cooling tubes.
7.19
SAFETY VALVES:
Queste valvole hanno un’importanza fondamentale per la sicurezza dell’operatore e del compressore.
Sono valvole tarate ad una certa pressione, che scaricano l’aria nel caso di anomalie o malfunzionamenti.
Ogni cilindro è dotato di una valvola di sicurezza, ed ogni valvola ha impostata una taratura differente:
SAFETY VALVE
MAXIMUM PRESSURE
1st STAGE
11 BAR
2nd STAGE
80 BAR
3rd STAGE
225/330 BAR
IT IS NOT ALLOWED TO CHANGE THE MAXIMUM PRESSURE CALIBRATION
OF ANY VALVE. ANY CHANGES CAN CAUSE SERIOUS DAMAGE AND
CONSEQUENT VOID OF THE WARRANTY!!
