dymax 828, Руководство пользователя

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M O D E L 8 2 8 D I S P E N S I N G V A L V E
12
Troubleshooting
Table 1.
Troubleshooting Chart for Model 828 Dispensing Valve 2
Problem Possible Cause Corrective Action
The valve does
not dispense
anything
The supply air pressure is
too low Increase the supply air
pressure
Material is cured in the tip Disassemble and clean the tip
The flow adjustment is not
properly adjusted Follow the valve adjustment
procedure
There are air
bubbles in the
fluid
The valve is not properly
purged
Point the valve up and cycle
it until the air bubbles are
removed
There is a problem with the
material reservoir and the
fluid delivery system
Diagnose and repair
Material leaks
from the valve
tip
The pinch stop screw is not
properly adjusted
Adjust the pinch stop screw
There is an air bubble trapped
in the fluid section of the valve
or in the dispense tip Point the valve up and cycle
it until air bubbles are purged
out
The dispense
rate is too fast
The fluid pressure is set too
high Decrease the fluid pressure
The dispense tip gauge is
too large Replace the dispense tip with
a smaller size tip
The flow adjustment is not
properly adjusted Follow the flow adjustment
procedure
The dispense
rate is too slow
The fluid pressure is set too
low Increase the fluid pressure
The dispense tip gauge is
too small Replace the dispense tip with
a larger size tip
The flow adjustment is not
properly adjusted Follow the flow adjustment
procedure