Maintenance; Troubleshooting - Graco Pail Mount Packages Instructions And Parts List

See the separate component instruction manuals for individual component maintenance procedures.
Daily Maintenance
Check the hoses, tubes, and couplings daily. Tighten
all fluid connections before each use.
PROBLEM
Pump will not run.
Pump runs sluggishly.
Pump runs erratically.
Pump runs too fast.
Pump cycles at stall or fails to hold
pressure at stall.
Audible air leak.
Air bubbles in fluid.
Poor finish or irregular spray pat-
tern.

Maintenance

Flushing the System
Flush the system at the following times:
D Before the first-time use
D When changing colors
D Before fluid can dry or settle out in a dormant
D Before storing the system

Troubleshooting

CAUSE
Closed air line valve.
Inadequate air supply, or clogged/
restricted air line.
Clogged fluid line or spray gun.
Stuck or damaged pump air valve.
Ruptured diaphragm.
Worn or damaged spool o-rings.
Clogged suction line or inlet strainer. Clear.
Sticking or leaking check valves.
Exhausted fluid supply.
Worn check valves or o-rings.
Worn air valve cup or plate.
Loose suction line.
Incorrect fluid or air pressure at gun. See gun manual; read fluid
Fluid is too thin or too thick.
Dirty, worn, or damaged spray gun.
Fluid is settling out.
system
SOLUTION
Open valve.
Increase air supply. Do not exceed
maximum air inlet pressure.
Open or clear air line.
Clean air filter.
Clear, service. Do not allow fluid to
set up in the pump and lines.
Service pump. Use filtered air.
Service pump.
Service pump.
Service pump.
Refill fluid supply and prime sprayer.
Service pump.
Service pump.
Tighten. Use a compatible liquid
thread sealant on connections.
manufacturer's recommendations.
Use fluid regulator.
Adjust fluid viscosity; read fluid
manufacturer's recommendations.
Service gun.
Use agitator. Order Part No. 245081
Agitator Kit.
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