Table of Contents
Advertisement
Troubleshooting
Troubleshooting
Problem
Air leaks from automatic dis-
pense valve.
Material leaks from front of
automatic dispense valve.
Material leaks from automatic
dispense valve body.
Automatic dispense valve
does not shut off.
Automatic dispense valve
does not open or dispense
material.
14
Cause
Loose air connections.
Worn o-rings.
Loose end cap.
Seal, tip, or seat is worn.
Obstruction inside dispense
valve.
Worn tip.
Worn seat.
Seals not installed correctly.
Seals are worn.
Loose air connections
Worn needle-seat interface.
Broken piston or debris in air
cylinder.
Loose air connections.
Broken rod, piston, or tip.
Solution
Check air connections.
Replace o-rings in air hous-
ing.
Tighten end cap.
Replace seat seals, tip, and
seat.
Remove nose piece. Check
and replace if necessary, car-
tridge, tip, and seat.
Check and replace tip, if nec-
essary. If replacing tip, it is
recommended that you also
replace the seat.
Check and replace or reverse
seat if necessary. Replace tip
with seat.
Check cartridge seals and
replace cartridge and rod.
Check air connections.
Replace cartridge, tip, and
seat.
Disassemble dispense valve.
Check and replace, if neces-
sary, piston, piston rod, and
o-rings.
Check air connections.
Disassemble dispense valve.
Check and replace, if neces-
sary, piston, piston rod, and
o-rings.
3A1792A
Advertisement
Table of Contents
