Maintenance
5-16
P/N 7135268B
E 2008 Nordson Corporation
PURBlue EC
Pneumatic Safety Valve
The safety valves, preset at the factory and lead sealed, prevent higher
pressurization than permitted of the subsequent pneumatic components.
When the factory settings are exceeded, compressed air audibly escapes.
NOTE: The safety valve is in the melter tower.
Performance Check
The performance of the safety valve should be checked approx. every six
months. Do this by turning the knurled screw until the compressed air is
audibly released. If the safety valve does not function properly, it should be
replaced.
NOTE: A defective safety valve may be replaced only with an original spare
part. Only the manufacturer may perform repairs to the safety valve!
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