Graco Magnum TrueAirless ProX19 Owner's Manual page 40

Troubleshooting
Problem
Pump is primed, but can not achieve
good spray pattern.
Spray gun stopped spraying while
trigger is pulled.
40
Cause
Spray Tip may be partially clogged.
Reversible Spray Tip is in UNCLOG
position.
Debris in paint causing obstruction.
Pressure is set too low.
InstaClean Filter is clogged.
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.
Battery has insufficient charge for tip
support.
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.
Solution
See Clear Spray Tip Clog, page 23.
Rotate arrow-shaped handle on
Spray Tip so it points forward to
SPRAY position. See page 23.
Strain the paint. See Clear Spray Tip
Clog, page 23.
Align pressure control knob setting
indicator to desired spray setting.
See Clear Spray Tip Clog, page 23.
Clean or replace InstaClean filter. See
Clean InstaClean Filter, page 29.
Clean or replace gun filter. See Clear
Spray Tip Clog, page 23.
Replace Spray Tip. See Spray
Techniques, page 21.
Replace Spray Tip. See Spray
Techniques, page 21.
Replace gasket and seal. See Spray
Techniques, page 21.
Clean debris off inlet screen and
make sure Suction Tube is immersed
in paint.
Charge battery or reduce tip size.
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
34.
- Clean and reinstall valves.
- Replace valves with appropriate
kits. For kit part numbers, see
ProXChange Pump Parts List,
page 46.
Thin material. Follow manufacturers
recommendations.
Remove section of airless hose.
See Clear Spray Tip Clog, page 23
Reprime sprayer. See Fill Pump
(Prime Pump), page 17.
See Troubleshooting, page 38.
3A9019A EN