Unimac Airless Paint Sprayer UM-SP-35
Troubleshooting
This guide should be followed in case of failure of the appliance to operate correctly. If symptoms persist contact our Customer Service Team on (02) 8667 7874.
WARNING! DO NOT ATTEMPT TO REPAIR OR MODIFY THE APPLIANCE
Problem Cause Correction
Little or no material flow
Nozzle clogged
Clean the nozzle
Suction tube clogged
Clean the tube
Pressure control dial turned too low (-)
Increase pressure control dial setting (+)
Suction tube loose
Push into place
Air filter clogged
Clean or replace
Material leaking
Nozzle loose
Tighten
Nozzle worn
Replace
Nozzle seal worn
Replace
Material build-up on air cap and nozzle
Clean
Atomization is too coarse
Viscosity of material too high
Thin the paint
Material volume too large
Decrease pressure control dial setting (-)
Nozzle clogged
Clean the nozzle
Air filter clogged
Clean or replace
Pattern runs or sags
Applying too much material
Adjust pressure control dial or increase movement of spray gun
Too much overspray
Gun too far from spray object
Reduce distance
Too much material applied
Decrease pressure control dial setting (-)
Pattern is very light and
splotchy
Moving the spray gun too fast
Adjust pressure control dial or decrease movement of spray gun
Motor brushes binding in brush holders.
Clean brush holders. Remove carbon dust by using compressed air to
blow out brush dust
Spluttering paint
Air bubbles in the return pipe
Complete bleeding operation to remove air bubbles
Inlet hose not sucking up
water when cleaning the unit
Lack of pressure
Complete the bleeding operation to reprime the unit
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