Operation
4-9
Part 1107600_03
2014 Nordson Corporation
Adjusting the Pressure Control Valve
NOTE: The pressure control valve screw is turned fully counterclockwise (at
or near the valve's lowest pressure setting) at the factory and then the lock
nut is tightened.
CAUTION! Do not exceed 16 Nm (12 ft‐lb) of torque when adjusting the
pressure control valve.
See Figure 4‐1. If using the pressure control valve to control adhesive output,
loosen the lock nut and adjust the valve to achieve the desired adhesive
output rate for your manufacturing process. With the melter at operating
temperature, the line running, and the guns dispensing adhesive, turn the
adjustment screw on the pressure control valve
clockwise to increase the adhesive output
counterclockwise to decrease the adhesive output
Figure 4‐1 Adjusting the pressure control valve
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