Pressure regulator and adjustment
screw
Installation
3-18
Part 1024496_06
2014 Nordson Corporation
Connecting a Compressed Air Supply
CAUTION! Do not force the air pressure adjustment screw beyond its normal
range of adjustment. Forcing the adjustment screw beyond its normal range
of adjustment will damage the pneumatic assembly.
To connect an air supply
1. Use a 5 mm hex wrench to turn the pressure adjustment screw
counterclockwise until it stops (off).
See Figure 3‐7.
2. Insert the male fitting located on the outlet side of the air filter
(P/N 1023267) into the air inlet port on the back of the melter.
CAUTION! Rigidly support the plant air supply before connecting it to the air
filter.
3. Connect a regulated plant air supply to the inlet of the air filter. If required,
use the
1
/
4
NPTF‐to‐G
1
/
4
BSPP male adapter fitting
(P/N 1034145) that is provided in the installation kit.
NOTE: The air filter inlet is threaded to receive a male G1/4 BSPP fitting.
4. Open the plant air supply to the melter.
5. Turn the pressure regulator adjustment clockwise to set the melter's
operating air pressure (pressure supplied to the pump) to
1.4 Bar (20 psi). The operating air pressure should be adjusted later to
meet the requirements of the manufacturing process.
NOTE: The minimum operating air pressure is 0.7 bar (10 psi). Operating
the melter with the air pressure set to less than 0.7 bar (10 psi) may cause
the pump to function erratically.
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