CHAMPBELL HAUSFELD Easy Spray Serie Instructions D'utilisation Et Manuel De Pièces page 10

Operating Instructions & Parts Manual
Troubleshooting Chart (Continued)
Symptom Possible Cause(s)
Poor pattern 1. Material buildup on nozzle or air
cap
2. Worn nozzle/needle
3. Clogged air cap
4. Material not properly mixed or im-
properly filtered
Overheating Clogged filter
Poor air flow 1. Clogged filter
2. Air flow control improperly adjusted
Spray tip clogs 1. Improper material flow adjustment
2. Cup seal leaking
3. Wrong needle/nozzle
Troubleshooting Chart - Finish Quality
Symptom Possible Cause(s)
Orange Peel 1. Material drying too fast
(Rough rolling
appearance simi- 2. Gun too far from surface
lar to an actual 3. Material too thick
orange peeling)
Runs and sags 1. Material too thin
2. Moving gun too slow
3. Excessive material flow
4. Gun too close to surface
1. Trapped solvents
Pin-holing and
solvent pops
2. Pigment settling
3. System contamination
Fish eye Possible silicone contamination
Blistering 1. Moisture in/on surface
2. Incompatible top coats or under-
Lumpy, coarse sur- Dirt on surface
face
Mottled surface 1. Too much thinner
finish 2. Poor spray technique
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coats
Corrective Action
1. Clean nozzle and air cap
2. Replace
3. Clean
4. Strain paint
Replace
1. Replace filter
2. Adjust air flow control
1. Adjust material control
2. Replace cup seal
3. Change to proper needle/nozzle
Corrective Action
1. Use a slower solvent or add a retarding
agent
2. Move gun closer to surface
3. Thin material per thinning instructions
1. Add material to increase thickness
2. Move gun more quickly
3. Turn material control knob clockwise to
reduce flow
4. Move gun further from surface
1. Apply material in lighter coats allowing
solvents time to evaporate
2. Possible bad material
3. Thoroughly clean all parts
Use solvent to clean all parts and work sur-
faces
1. Dry surface
2. Make sure coatings are compatible
Thoroughly clean surface
1. Reduce thinner
2. Refer to "Operation" for spraying instruc-
tions
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