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Possible Problems in Operation (cont.)
Fluid Starved spray
pattern.
Excessive overspray.
Dry spray.
Runs and sags.
Leakages
Fluid leaking from
Detection hole.
Fluid leaking or dripping
from front of gun.
Fluid leaking between
the Spray Gun and the
Manifold.
Assembly Faults
Spray Gun is loose
when assembled onto
Manifold.
Inadequate material flow.
Air pressure too high.
Gun too far from work surface.
Air pressure too high.
Gun too far from work surface.
Gun motion too fast.
Fluid flow too low.
Too much material flow.
Material too thin.
Motion too slow.
Packing or Fluid Needle worn.
Fluid nozzle or fluid needle worn or
damaged.
Foreign matter in fluid nozzle.
Fluid needle dirty or stuck in needle
packing.
Wrong size fluid needle or fluid nozzle.
O-Rings damaged or missing.
Torx screw not tight.
Torx screw not tight.
Increase Fluid Flow.
Change to larger fluid nozzle size.
Check hose for blockage.
Reduce air pressure.
Adjust to correct target distance.
Reduce air pressure.
Adjust to correct distance.
Slow down.
Increase Fluid Flow or use larger nozzle
size.
Reduce Fluid Flow or change to smaller
fluid nozzle and fluid needle size.
Mix correctly or apply light coats.
Increase Gun Traverse speed.
Replace.
Replace fluid nozzle and fluid needle.
Clean.
Clean.
Replace fluid nozzle and fluid needle.
Replace O-Rings using kit SPA-412-K.
Tighten Torx screw or replace using kit
SPA-411-K.
Tighten Torx screw 1.8-2.0 Nm (1.3-1.5
lbf.ft) or replace using kit SPA-411-K.
15
© 2014 Finishing Brands UK Ltd.
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