Installation
A1-71
E 2000 Nordson Corporation
All rights reserved
41-3000V
Issued 5/00
A3EN-04-[3V-A-AAXP]-12
After flushing the system, follow this procedure to adjust the pressure
control valve on units with a gear pump. To determine which kind of
pump your unit has, see Figure A 1-4.
If your unit has a piston pump, you do not need to perform this
procedure. Go to the Operation section of this manual.
1. If the pump is turned on, turn it off by pressing the PUMP key. The
PUMP light will turn off.
2. See Figure A 1-45. Use a hex key to hold the pressure-adjusting
screw in place while using a wrench to loosen the locking nut as
much as possible.
4130779
Fig. A 1 -45 Adjusting the Pressure Control Valve
3. Turn the pressure-adjusting screw clockwise until it stops turning.
4. Turn the pressure-adjusting screw counterclockwise eight full turns.
5. Hold the pressure-adjusting screw in place while using a wrench to
tighten the locking nut.
NOTE: This setting will work well for most applications. For some
applications, however, you may want to adjust the setting to increase
or decrease the pressure at which the valve opens to return adhesive
to the tank. Adjust the valve by turning it clockwise to increase
system pressure or counterclockwise to decrease system pressure.
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