Small air leak from air cap when gun
is not triggered.
Fluid needle packing worn or loose.
Slow fluid leak from needle packing,
four possible places.
Incorrect fluid tip for fluid needle
fitted to gun.
Check tiip/needle selection chart
and fit correct item.
Fluid tip internal seat scored
damaged or worn.
Piston seal damaged or missing.
Contamination on needle or tip
mating surfaces preventing good
seal.
Fluid needle external profile
damaged or worn.
Slow fluid leak from fluid tip and
needle seat.
Major fluid leak or fluid jetting from
fluid tip and needle seat.
Contamination on needle or tip
mating surfaces preventing good
seal.
Remove tip and needle and
thoroughly clean.
Piston contaminated and not
correctly seating.
Remove piston and thoroughly clean
valve shaft and seating surfaces.
Incorrect fluid tip for fluid needle
fitted to gun.
Check tiip/needle selection chart
and fit correct item.
Tighten or replace as necesarry.
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