5
Operating Instructions and Parts Manual
No material flow
Slow material flow
Material leak
Spray will not shut off
Pulsating spray
Excessive overspray
1. Disassemble and clean
2. Disassemble and clean (a straight pin can be used to
clean fittings)
3. Disassemble and clean
4. Disassemble and clean gun and check valve
5. Inspect cup seal, cup cap and clean or replace as
necessary
6. Strain paint
1. Clean material tube, gun and fittings then thin the
material
2. Adjust material control knob
3. Refer to material application chart for correct nee-
dle/nozzle
4. Remove and replace air filter
5. Strain paint
6. Raise material temp. to 60°F (15°C)
1. Check cup gun and replace damaged parts
2. Adjust packing nut
3. Remove and replace
4. Remove and replace
5. Tighten
6. Tighten
7. Refer to material application chart for correct
needle/nozzle
8. Replace
9. Properly adjust by turning clockwise
10. Clean and dry before use
1. Clean or replace needle
2. Adjust packing nut
3. Tighten
1. Disassemble and clean
2. Adjust packing nut or replace packing
3. Tighten
4. Tighten
5. Tighten
6. Replace
7. Strain paint
1. Check material viscosity (add non-thinned material)
2. Adjust air flow
3. Wrong needle/nozzle assembly
4. Move gun closer to surface
5. Shelter area
6. Adjust material flow control knob
7. Strain paint
1. Clogged nozzle/air cap
2. Clogged cup pressure tube or fittings
3. Clogged gun
4. Clogged material tube
5. Cup seal leaking
6. Material not properly mixed or improper-
ly filtered
1. Material too thick
2. Improper material adjustment
3. Wrong needle/nozzle
4. Air filter clogged
5. Material not properly mixed or improper-
ly filtered
6. Material too cold
1. Cup or gun damaged
2. Loose packing
3. Worn or damaged packing
4. Worn or damaged cup seal
5. Loose cup fittings
6. Loose nozzle
7. Wrong needle/nozzle assembly
8. Damaged needle
9. Loose material control knob
10. Cup seal leaking
1. Dirty needle
2. Packing too tight
3. Loose material control knob
1. Cup seal or check valve leaking
2. Packing improperly adjusted
3. Loose fittings on cup or gun
4. Loose retaining ring
5. Loose nozzle
6. Damaged air flow ring
7. Material not properly mixed or improper-
ly filtered
1. Material too thin
2. Excessive air flow
3. Wrong needle/nozzle
4. Gun too far from work surface
5. Spray blown by wind
6. Excessive material flow
7. Material not properly mixed or improper-
ly filtered
Troubleshooting Chart
Symptom Possible Cause(s) Corrective Action
(1 pages)
(36 pages)
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