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ImPOrtant: the spray gun must be cleaned immediately after use.
Improper cleaning is a common reason for the spray gun not to work.
Problem
1.
Sputtering Spray
2.
3.
4.
5.
6.
1.
Will Not Spray
2.
3.
1.
Overspray
2.
3.
1.
Fluid Tip Leakage
2.
3.
4.
1.
Air Leaking from
Air Cap (1)
2.
3.
4.
5.
1.
Fluid Leaking
from Packing Nut
2.
Follow all safety precautions whenever diagnosing or servicing the
tool. disconnect air supply before service.
If the steps above do not solve the problem or if the repairs
involved are too complex, contact a qualified technician.
SKU 66801
For technical questions, please call 1-800-444-3353;
troubleshooting (continued)
Possible causes
Low material level.
Cup tipped too far.
Clogged Air Vent.
Loose fluid inlet connections.
Dry or loose fluid needle
Packing Nut.
Loose/damaged fluid tip/seat.
No pressure at gun.
Fluid control not open enough.
Fluid too thick.
Improper application speed.
Improper distance from
workpiece.
Too much air pressure.
Dirty tip.
Tight Packing Nut.
Broken fluid needle spring.
Worn or damaged tip.
Dirty air valve/seat.
Sticking air valve.
Damaged air valve spring.
Worn/damaged air valve/seat.
Bent valve stem.
Packing Nut Loose.
Packing worn or dry.
likely solutions
1.
Refill.
2.
Hold upright.
3.
Clean vent hole.
4.
Tighten inlet connections.
5.
Lubricate and/or tighten fluid needle
Packing Nut.
6.
Adjust or replace fluid tip.
1.
Check air hoses.
2.
Open fluid control.
3.
Thin fluid or increase air pressure (within
Maximum range).
1.
Move moderately and parallel.
2.
Adjust distance.
3.
Reduce air pressure.
1.
Clean tip.
2.
Loosen Packing Nut.
3.
Replace fluid needle spring.
4.
Replace tip and/or needle.
1.
Clean air valve/seat.
2.
Lubricate air valve/seat.
3.
Replace air valve spring.
4.
Replace air valve.
5.
Replace air valve.
1.
Tighten without restricting.
2.
Replace or lubricate (non-silicone)
Page 18
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