Maintenance; Airless Hoses; Spray Tips; Pump Repair - Graco GX series Operation, Parts

Maintenance

Routine maintenance is important to ensure proper operation of your sprayer.
Inspect/clean InstaClean filter, fluid inlet strainer, and gun
filter.
Inspect motor shroud openings for blockage.
NOTICE
Protect the internal drive parts of this
sprayer from water. Openings in shroud
allow cooling of mechanical parts and
electronics inside. If water gets into these
openings, the sprayer could malfunction or
be permanently damaged.

Airless Hoses

Check hose for damage every time you
spray. Do not attempt to repair hose if hose
jacket or fittings are damaged. Do not use
hoses shorter than 25 ft (7.6 m). Wrench
tighten, using two wrenches.

Spray Tips

•
Always clean tips with compatible
cleaning fluid and brush after spraying.
•
Tips may require replacement after 15
gallons (57 liters) or they may last
through 60 gallons (227 liters) depend-
ing on abrasiveness of paint.

Pump Repair

When pump packings wear, paint will begin
to leak down outside of pump.
•
Purchase a pump repair kit and install
according to instructions provided with
kit, before your next job.
•
See Pump Assembly, page 46 or con-
sult a Graco/M
retailer, distributor, or service center.
3A3212C
Activity
authorized
AGNUM
Daily or each time you spray
Daily or each time you spray
Pump Removal
On FinishPro sprayers with a hopper the
hopper must be removed before pump can be
removed.
Always perform Pressure Relief Procedure,
page 13 before starting any pump repairs.
1. Pull tabs on sides of the easy access
door pump towards you while pushing
the entire door away from the inlet end of
the pump.
2. Now lift the door so that it swivels out of
the way.
1
2
3
ti27463a
Maintenance
Interval
33