Graco 3A2589F Operation, Repair, And Parts page 27

Troubleshooting
Problem
Sprayer sprays with poor results
Paint leaks from sprayer trigger
area.
Battery is discharged but charger
still displays green light when bat-
tery is inserted.
Battery does not last long.
Charger status indicator light
remains solid red. Battery does not
charge.
Spray Pattern Diagnostics
Problem
Spray pattern is pulsating:
3A2589F
Cause
Spray tip is partially clogged.
Spray tip is not in correct position.
Incorrect spray tip for application of
material.
Spray tip filter is partially clogged or
damaged.
Flexible suction tube strainer is partially
clogged.
Spray tip is worn or damaged.
Material being sprayed is aerated
because it was shaken.
Pressure control knob is too low.
Material being sprayed is too cold to
spray.
Inlet or outlet valve fitting is worn.
Pressure is set too high for thin mate-
rial.
Pump has reached its maximum life.
Damaged battery.
Battery life varies with material, spray
tip size, pressure, and speed setting.
Hot charging environment or damaged
battery.
Cause
Operator is moving too fast while spraying. Slow speed of movement.
Spray tip or spray tip filter is clogged.
Solution
See Unclogging Spray Tip/Guard
Assembly, page 15.
Rotate spray tip to SPRAY position.
See Choosing the Correct Tip, page 13.
Clean or replace spray tip filter. See page
15.
Clean or replace flexible suction tube. See
page 16.
Replace spray tip. See Install Spray
Tip/Guard Assembly, page 14.
Do NOT shake material. Stir the material or
check the manufacturer's recommenda-
tion for the material being sprayed.
Turn up pressure control knob.
Warm material.
See Outlet Valve Fitting Repair, page 24
and Inlet Valve Fitting Removal/Service,
page 23.
Turn pressure control knob down.
Replace pump.
Replace battery.
See Battery and Charger, page 6.
See Battery and Charger, page 6. Unplug
charger from outlet for 10 seconds to reset
charger status indicator light. Attempt to
charge again. If problem persists, move
charger to cooler environment or replace
battery.
Solution
Unclog spray tip or clean spray tip filter,
page 15.
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