Graco 238511 Stud Sensor User Manual


 
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Troubleshooting
Problem Cause Solution
Meter leaks from:
Cover/Control
Poor swivel (3)/hose connection.
Poor swivel (3)/me ter housing
connection.
Damaged valve stem (16) assembly.
Poor seal at m eter housing plate.
NOTE: Place a straight edge along
mete r hous ing plate. If flat, plate and
seal are ok. If plate is not flat, meter
is damaged.
Apply PTFE tape (leave m inimum 2
engaged threads uncovered for
electrical c ontinuity) or sealant to
threads of hose and tighten the
connection. See step 9 in
Installation Procedure.
Torque the fitting to 20--25 ft.lb.
Replace or c lean valve s tem and
O--rings. See Servicing the Valve.
Contact your Graco distributor for
repairs or replacement.
Meter leaks from:
Automatic
nozzle
NOTE: It is important to dis-
tinguish between the two
causes of this problem. A
new nozzle will not correct a
fluid leak caused by a faulty
valve.
Automatic nozzle (5b, 6b, or 7b) has
a damaged seal.
Valve (16) has damaged or
obstructed seals.
Replace the nozzle. See Replacing
the Automatic Nozzle on page 17.
Replace or c lean valve s tem and
o-rings. See Servicing the Valve on
page 17.
Meter leaks from:
Swivel
Poor swivel (3)/hose connection
Poor swivel (3)/me ter housing
connection.
Apply PTFE tape (leave m inimum 2
engaged threads uncovered for elec-
trical continuity) or sealant to threads
of hose and tighten the c onnection.
Seestep9inInstallation Proce-
dure.
Torque the fitting to 20--25 ft.lb.
Unit does not s top dispensing
when assumed auto amount
is dispensed.
Auto amount was not entered.
T rigger is obstructed, or unit has
been set down resting on its trigger.
Enter a preset dispense amount in
the Auto dispense mode. AUTO
must be displayed below the amount.
Never set the unit down resting on its
trigger.