Graco Inc 312145D Maintenance, Cleaning Tips/Clearing Clogs, Flushing, Cleaning/Replacing Filter

Models: 312145D

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Maintenance

Cleaning Tips/Clearing Clogs

Clean tip and tip guard at end of each work

day.

1.Follow Pressure Relief Procedure. Engage trigger lock.

2.Clean spray tip as follows:

a.RAC tips: Rotate tip 180° so arrow on tip cylinder (20c) faces backward.

Disengage trigger lock.

Trigger gun into pail or ti11483a 20c onto ground to remove

clog. Engage trigger lock. Rotate tip 180° back to spray position.

b.Flat tips: Remove tip and clean with a solvent-soaked brush.

3.RAC tips: If tip is still clogged:

a.Shut off sprayer and disconnect power source.

b.Open fluid drain valve (see System Requirements on page 4) to relieve pressure.

c.Remove and clean spray tip.

Maintenance

Failure to clean or replace the filter or damaged handle bore can result in serious injury.

Before performing any maintenance on the gun, read all warnings in this manual and relieve pressure.

Flushing

Flush pump and gun before fluid can dry in it. If available, use flushing procedure provided in your pump or sprayer manual instead of this procedure.

1.Follow Pressure Relief Procedure. Engage trigger lock.

2.Remove spray tip and guard from gun. Clean with solvent.

3.Put the pump intake in a grounded pail of compatible solvent.

4.Start pump at its lowest pressure.

5.Disengage trigger lock, then trigger gun into the paint pail. When solvent appears, release trigger.

6.Trigger gun into solvent pail. Circulate fluid until system is thoroughly flushed.

7.Follow Pressure Relief Procedure. Engage trigger lock.

Cleaning/Replacing Filter

1.Follow Pressure Relief Procedure. Engage trigger lock.

2.Disconnect trigger guard from gun body by pushing up on guard hook and

pulling it out of notch.

ti5052a

 

3.The trigger guard beneath the gun handle can then be used as a wrench to

loosen the nut.

ti5054a

4.When alignment

notches are no longer engaged, use your hand to twist handle and remove it from gun head.

5.Remove filter.

6.Clean filter using a soft brush.

7.Replace filter.

8.Apply light coating of grease to threads and then attach.

9.Use trigger guard to tighten the nut.

10.Reattach the trigger guard to the gun.

Cleanup

Flush gun after each work shift and store in a dry location. Do not leave the gun or any parts in water or cleaning solvents.

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312145D

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Graco Inc 312145D Maintenance, Cleaning Tips/Clearing Clogs, Flushing, Cleaning/Replacing Filter, Cleanup