3M™ Needle/Nozzle/Air Cap Selection Guide; Troubleshooting - 3M 05 Serie Manual Del Usuario

3M™ Needle/Nozzle/Air Cap Selection Guide
3M™ Series 05-100 Spray Gun
Size Description
1.5 mm Air Cap and Needle Kit
1.8 mm Air Cap and Needle Kit
2.0 mm Air Cap and Needle Kit
3M™ Series 05-300 Spray Gun
Size Description
0.8 mm Needle Kit
1.0 mm Needle Kit
1.2 mm Needle Kit
Replacement PN
97-134/1.5
97-134/1.8
97-134/2.0
Replacement PN
97-210/0.8
97-210/1.0
97-210/1.2
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Troubleshooting

Problem Cause
Air cap or nozzle clogged
Bad Spray Pattern
Bent fluid needle
Moisture on surface
Wrong solvent
Blistering Coats not compatible
Insufficient dry time
Surface too cold
Air contamination
Fish Eyes
Silicone contamination
Heavy Middle Pattern Not enough atomizing pressure
Worn or loose packing
Intermittent Pulsating Spray
Low fluid in cup or pot
Insufficient Fluid Flow Fluid nozzle too small
Dirt or dust on surface
Coarse or Lumpy Surface
Material is contaminated
Coating too thin
Mottled Looking Surface Coats too wet
Improper spray technique
Clogged fluid nozzle
Loss of air pressure
No Paint Flow
Loss of fluid
Clogged air passage
Paint drying too fast
Orange Peel
Gun too far from target
Viscosity too high
Gun too far from target
Overspray is Excessive
Too much atomizing air
for coating being sprayed
Trapped solvent
Pin-Holing, Solvent Pops Improper solvent
System contaminated
Wrong needle size
Damaged-worn needle
Loose fluid nozzle
Worn/loose packing nut
Paint Leak
Needle not closing
Tilted gun
Remedy
Clean with appropriate solvent
Replace fluid needle
Clean surface
Check solvent
Check material compatibility
Longer dry time
Warm surface
Add air filtration
Clean surface with solvent
Increase atomizing pressure
Tighten or replace
Add fluid
Use larger needle/nozzle
Tack wipe before spray
Change or strain
Use less thinner
Use less thinner
Hold gun perpendicular to work
Clean fluid nozzle
Check cup gasket
Out of paint
Clean with solvent
Use proper solvent
6-8 (160-200 mm) inches for Series 05-100
4-6 (100-160 mm) inches for Series 05-300
Reduce with solvent
6-8 (160-200 mm) inches for Series 05-100
4-6 (100-160 mm) inches for Series 05-300
Reduce atomizing air
Apply lighter coats
Check coating manufacturer
Clean all parts
Replace
Replace
Tighten or replace
Tighten or replace
Packing too tight
Broken or missing needle spring
Dried paint on needle
Do not tilt while spraying
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