Graco 312145G Paint Sprayer User Manual


 
Maintenance
6 312145G
Cleaning Tips/Clearing Clogs
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
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
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
(Not applicable for XTR510)
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.
3. The trigger guard
beneath the gun
handle can then be
used as a wrench to
loosen the nut.
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.
Clean tip and tip guard at end of each work
day.
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.
20c
ti11483a
ti5052a
ti5054a