Graco Magnum True Airless Project Painter Plus Owner's Manual page 35

Problem
Pump is primed, but can not achieve
good spray pattern.
Spray gun stopped spraying while
trigger is pulled.
3A5431B EN
Cause
Spray Tip may be partially clogged.
Reversible Spray Tip is in UNCLOG
position.
Debris in paint causing obstruction.
Pressure is set too low.
Spray gun filter is clogged.
Spray Tip selected is too large for
capability of sprayer.
Spray Tip is worn beyond the
capability of sprayer.
Spray Tip gasket and seal worn or
missing.
Inlet screen is clogged or Suction
Tube is not immersed in paint.
Extension cord is too long or not
heavy enough gauge.
Inlet valve or outlet valve is worn or
clogged with debris.
Material is too thick.
Airless hose is too long (if extra
section was added).
Spray Tip is clogged.
Sprayer lost prime.
Troubleshooting
Solution
See Clear Spray Tip Clog, page 21.
Rotate arrow-shaped handle on Spray
Tip so it points forward to SPRAY
position. See page 21.
Strain the paint. See Clear Spray Tip
Clog, page 21.
Align pressure control knob setting
indicator to desired spray setting. See
Clear Spray Tip Clog, page 21.
Clean or replace gun filter. See Clear
Spray Tip Clog, page 21.
Replace Spray Tip. See Spray
Techniques, page 19.
Replace Spray Tip. See Spray
Techniques, page 19.
Replace gasket and seal. See Spray
Techniques, page 19.
Clean debris off inlet screen and
make sure Suction Tube is immersed
in paint.
Replace extension cord.
Check for worn or contaminated inlet
valve or outlet valve.
- Prime sprayer with paint
- Trigger gun momentarily
- When trigger is released, pump
should cycle momentarily and stop
- If pump continues to cycle, pump
valves may be worn or contaminated
with debris
- See Storage/Priming Tool, page
31.
Thin material. Follow manufacturers
recommendations.
Remove section of airless hose.
See Clear Spray Tip Clog, page 21
Reprime sprayer. See Fill Pump
(Prime Pump), page 16.
See Troubleshooting, page 33.
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