Filter
Top Products
Troubleshooting
3A2587H 25
Spray Pattern Diagnostics
Sprayer sprays with poor results Spray tip is partially clogged See Unclogging Spray Tip/Guard Assembly,
page 14.
Spray tip is not in correct position Rotate spray tip to SPRAY position.
Incorrect spray tip for application of
material.
See Reversible Spray Tip Selection Chart,
page 12.
Spray tip filter is partially clogged or damaged. Clean or replace spray tip filter. See page 14.
Flexible suction tube strainer is partially
clogged.
Clean or replace flexible suction tube. See page
15.
Spray tip is worn or damaged Replace spray tip. See Install Spray Tip/Guard
Assembly, page 13.
Material being sprayed is aerated because it
was shaken.
Do NOT shake material. Stir the material or
check the manufacturer’s recommendation for
the material being sprayed.
Pressure control knob is too low. Turn up pressure control knob.
Material being sprayed is too cold to spray. Warm material.
Inlet or outlet valve fittings are worn. See Outlet Valve Fitting Repair, page 22 and
Inlet Valve Removal/Service, page 21.
Paint leaks from sprayer trigger area. Pump has reached its maximum life. Replace pump.
Problem Cause Solution
Problem Cause Solution
Spray pattern is pulsating: Operator is moving too fast while spraying. Slow speed of movement.
Spray tip or spray tip filter is clogged. Unclog spray tip or clean spray tip filter, page 14.
Spray pattern has tails: Pressure control knob is too low. Turn up pressure control knob.
Incorrect spray tip for application of
material.
See Reversible Spray Tip Selection Chart, page 12.
Material not compatible with sprayer. Switch material.
Inlet or outlet valve fittings are worn. See Outlet Valve Fitting Repair, page 22 and Inlet
Valve Removal/Service, page 21.
Spray pattern has dripping: Sprayer is moving too slow for material. Move sprayer faster while spraying.
Sprayer is too close to target surface. Move sprayer away from surface 10 in. (25 cm)
Holding trigger while changing spray
direction.
Release trigger when changing directions.
Incorrect spray tip for application of
material.
See Reversible Spray Tip Selection Chart, page 12.
Pressure control knob is too high. Turn down pressure control knob.
Spray tip is worn or damaged. Replace spray tip. See Install Spray Tip/Guard
Assembly, page 13.
ti15526a