Graco LDP5 Instructions Manual page 24

Preset electronic metered dispense valves
Table of Contents

Advertisement

Troubleshooting
Problem
Meter leaks from Cover/Control Poor swivel (3)/hose connection.
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.
Unit does not stop dispensing
when assumed auto amount is
dispensed.
24
Cause
Poor swivel (3)/meter housing
connection.
Damaged valve stem assembly.
Poor seal at meter housing plate.
NOTE: Place a straight edge along the
meter housing plate. If flat, the plate,
and seal are okay. If the plate is not
flat, the meter is damaged.
Automatic nozzle has a damaged seal. Replace the nozzle. See Replace the
Valve has damaged or obstructed
seals.
Auto amount was not entered cor-
rectly.
Solution
Apply PTFE tape (leave minimum 2
engaged threads uncovered for electri-
cal continuity) or sealant to threads of
hose and tighten the connection. See
Connect Hose to Meter, page 8.
Torque the fitting to 20-25 ft-lb (27 to
34 N•m).
Replace or clean valve stem and
O-rings. Order Valve Repair Kit 240453.
Contact your Graco distributor for
repairs or replacement.
Nozzle, page 21.
Replace or clean valve stem and
o–rings. Order Valve Repair Kit 240453.
Enter a preset dispense amount in the
Auto dispense mode. AUTO must be
displayed below the amount.
312668ZAC

Advertisement

Table of Contents
loading

Table of Contents