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Troubleshooting
Problem
Meter leaks from cover/control.
Meter leaks from twist lock nozzle.
•
It is important to distinguish
between the two causes of this
problem. A new nozzle will NOT
correct a fluid leak caused by a
faulty valve.
Meter leaks from swivel.
Unit does not stop dispensing when
assumed preset amount is dis-
pensed.
24
Cause
Poor seal at metering cover chamber. Contact your Graco distributor for
Twist lock nozzle has a damaged
seal.
Valve has damaged or obstructed
seals.
Poor swivel/hose connection.
Poor swivel/meter housing connec-
tion.
Swivel seals have deteriorated and
leak.
Valve is dirty.
Low battery.
Solenoid not functioning (PE14 only). Replace solenoid.
Solution
repair or replacement.
Replace nozzle. See Step 1 in Instal-
lation Procedure, page 8.
Clean valve stem and o-rings or
replace. Order Kit 255888.
Apply PTFE tape (leave a minimum 2
engaged threads uncovered for elec-
trical continuity) or sealant to threads
of hose and tighten the connection.
See Step 3 in Installation Procedure,
page 7.
Torque the fitting to 20-25 ft.-lbs.
Replace swivel.
Clean valve.
Replace batteries, page 26.
312865A
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