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ページを印刷するTroubleshooting
Table 1. Troubleshooting Chart for Model 400 Dispensing Valve
Problem
Valve does not
dispense anything
Dispense rate too
fast
Dispense rate too
slow
Air bubbles in
fluid
Material leaks
from Valve Tip
Possible Cause
The fluid pressure is too
low
Material is cured in the
fluid section
Air pressure is too low
The fluid pressure is set
too high
The dispense tip gauge is
too large
The fluid pressure is set
too low
The dispense tip gauge is
too small
The valve is not properly
purged
There is a problem with
the material reservoir and
fluid delivery system
Fluid pressure is too high
Air bubbles are trapped in
the fluid section of the
body or in the dispense tip
Model 400 Dispensing Valve User Guide
Corrective Action
Increase the fluid pressure above 15 psi
Disassemble and clean the valve
Adjust air pressure accordingly
Decrease the fluid pressure
Replace the dispense tip with a smaller
size tip
Increase the fluid pressure
Replace the dispense tip with a larger
gauge
Point the valve up and cycle it until
any air bubbles are removed
Diagnose and repair
Adjust fluid pressure accordingly
Point the valve up and cycle it until
any air bubbles are removed
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