FLUID FAULTS
Major fluid leak or fluid jetting
from fluid tip and needle seat.
Slow fluid leak from needle
packing.
AIR FAULTS
Small air leak from air cap when
gun is not triggered.
SB-E-2-990 R6.0
CAUSE
Contamination on needle or tip
mating surfaces preventing good
seal.
Incorrect fluid tip for fluid needle
fitted to gun.
Fluid needle packing worn or
loose.
CAUSE
Air Valve Stem contaminated
and not correctly seating.
Air Valve Stem seal damaged or
missing.
19/24
CORRECTION
Remove tip and needle and
thoroughly clean.
Check tip/needle selection chart
and fit correct item.
Tighten or replace as necessary.
CORRECTION
Remove Air Valve Stem and
thoroughly clean valve shaft and
seating surfaces.
Replace.
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EN