Troubleshooting
3A1451C
15
Meter leaks from Cover/Control
Poor swivel (3)/hose connection.
Apply PTFE tape (leave minimum 2
engaged threads uncovered for electri-
cal continuity) or sealant to threads of
hose and tighten the connection. See
step 9 in Installation Procedure.
Poor swivel (3)/meter housing
connection.
Torque the fitting to 20-25 ft-lb (27 to 34
N•m).
Damaged valve stem assembly.
Replace or clean valve stem and
O-rings. Order Valve Repair Kit 240453.
Poor seal at meter housing plate.
NOTE: Place a straight edge along
meter housing plate. If flat, plate and
seal are ok. If plate is not flat, meter is
damaged.
Contact your Graco distributor for
repairs or replacement.
Meter leaks from
Automatic nozzle
NOTE: It is important to distin-
guish between the two causes of
this problem. A new nozzle will
not correct a fluid leak caused
by a faulty valve.
Automatic nozzle has a damaged seal. Replace the nozzle. See Replacing the
Nozzle, page 18.
Valve has damaged or obstructed
seals.
Replace or clean valve stem and
o–rings. Order Valve Repair Kit 240453.
Problem
Cause
Solution