Troubleshooting

Problem

Cause

Solution

 

 

 

Meter leaks from:

 

 

Cover/Control

Poor swivel (3)/hose connection.

Apply PTFE tape (leave minimum 2

 

 

engaged threads uncovered for

 

 

electrical continuity) or sealant to

 

 

threads of hose and tighten the

 

 

connection. See step 9 in

 

 

Installation Procedure.

 

Poor swivel (3)/meter housing

Torque the fitting to 20--25 ft.lb.

 

connection.

 

 

Damaged valve stem (16) assembly.

Replace or clean valve stem and

 

 

O--rings. See Servicing the Valve.

 

Poor seal at meter housing plate.

Contact your Graco distributor for

 

NOTE: Place a straight edge along

repairs or replacement.

 

 

 

meter housing plate. If flat, plate and

 

 

seal are ok. If plate is not flat, meter

 

 

is damaged.

 

 

 

 

Meter leaks from:

 

 

Automatic

Automatic nozzle (5b, 6b, or 7b) has

Replace the nozzle. See Replacing

nozzle

a damaged seal.

the Automatic Nozzle on page 17.

NOTE: It is important to dis-

Valve (16) has damaged or

Replace or clean valve stem and

tinguish between the two

obstructed seals.

o-rings. See Servicing the Valve on

causes of this problem. A

 

page 17.

new nozzle will not correct a

 

fluid leak caused by a faulty

 

 

valve.

 

 

 

 

 

Meter leaks from:

 

 

Swivel

Poor swivel (3)/hose connection

Apply PTFE tape (leave minimum 2

 

 

 

engaged threads uncovered for elec-

 

 

trical continuity) or sealant to threads

 

 

of hose and tighten the connection.

 

 

See step 9 in Installation Proce-

 

 

dure.

 

Poor swivel (3)/meter housing

Torque the fitting to 20--25 ft.lb.

 

connection.

 

 

 

 

Unit does not stop dispensing

Auto amount was not entered.

Enter a preset dispense amount in

when assumed auto amount

 

the Auto dispense mode. AUTO

is dispensed.

 

must be displayed below the amount.

 

Trigger is obstructed, or unit has

Never set the unit down resting on its

 

been set down resting on its trigger.

trigger.

 

 

 

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Image 14
Graco 238511 Installation Procedure, Rings. See Servicing the Valve, Automatic Nozzle on, See in Installation Proce, Dure