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Problem
Sprayer sprays with poor
results
Pump will spray paint but
will not spray water
Paint leaks out of the cup
threads.
3A4749D
Cause
Spray Tip is partially clogged.
Spray Tip is not in correct position
Incorrect Spray Tip for application of
material.
Spray Tip is worn or damaged
Material being sprayed is aerated
because it was shaken.
Material being sprayed is too cold to
spray.
Outlet valves are dirty or worn.
Pump has reached the end of its life. Replace pump assembly.
Pump has reached the end of its life. Replace pump assembly.
Cup not properly seated.
Troubleshooting
Solution
See Clear Tip Clogs, page 18.
Rotate Spray Tip to SPRAY
position.
Install different size Spray Tip.
See Tip and Pressure
Selection, page 15.
Replace Spray Tip. See Spray
Tip Installation, page 19.
Do NOT shake material. Stir the
material or check the
manufacturer's
recommendation for the material
being sprayed.
Warm material.
Remove two pump plugs and
front valve to gain access to the
three outlet valves. Clean outlet
valves, see Cleaning Outlet
Valves, page 25. Replace if
necessary.
Make certain that there is only
one FlexLiner in Cup Support.
Make certain the cup cover is
properly threaded to the Cup
Support. If threads are visible
below the Cup Support when
tight, fully remove the cup cover
and reinstall to the Cup Support
so no threads are visible when
tight.
Make certain the cup cover is
tightened to the Cup Support so
the arrow on the cup cover is
within range of the indicator on
the Cup Support.
Avoid flexing or pushing on the
Cup Support when you evacuate
the air out of the FlexLiner.
Avoid pulling down on the
FlexLiner when you evacuate the
air out of the FlexLiner.
Make certain there is no damage
to the FlexLiner lip or the cup
cover gasket.
Make certain that the FlexLiner
lip and cup cover gasket is free
of debris and dried paint.
Replace FlexLiner.
29
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