Craftsman 919.155190 - Manual (Page 12)

TROUBLESHOOTING
NOTICE: See parts list to identify parts referred to in these Troubleshooting steps.
PROBLEM CAUSE CORRECTION
Heavy right or ieft side
pattern
)(
1, Dried material is
clogging side-
port "A” and
causing side-port
“B" to blow spray
towards the
clogged side.
1. Soak side-ports in thinner to
dean ciog, DO NOT poke any
opening with hard objects.
Heavy top or bottom
pattern
u
1, Dried material at
fluid nozzie “C"
restricts air flow.
2, Loose air
nozzie.
3, Air pressure too
high
1. Remove air nozzie. Wipe fluid
tip using a cioth soaked in a
suitabie solvent or a soft brush.
2. Fast^ nozzie securely.
3. Turn pattern control knob
dockwise to reduce air
pressure.
Heavy center pattern
«
1, Too much material.
2, Materia! too thick.
1. Turn fluid control knob
dockwise to decrease materia!
flow or turn pattern control
knob counter clockwise to
increase air pressure.
2. Thin materid.
Spilt spray pattern
I
1. Air pressure too high.
2. Not enough material
1. Turn pattern controi knob
dockwise to reduce air
pressure.
2. Turn fluid control knob counter
clockwise to increase material
flow.
Spitting, Irregular or
fluttering spray
1. Leak at thread of fluid
nozzie.
2. Leak at fluid needle.
3. Insufficient fluid in cup.
4. Vent hole in materia! cup
cover clogged (only in
siphon feed mode).
5. Materia! cup tilted at an
excessive angle,
6. Fluid too heavy for siphon
feed.
7. Loose fluid tip or dams^ed
tip seat
1. Tighten fluid nozzie.
2. Tighten the fluid needle
adjustment nut.
3. Fiii cup with fluid.
4. Ciean veit hole.
5. Do not tilt material cup
excessively or rotate fluid tube.
6. Thin materia! or convert to
remote pressure feed mode.
7. Tighten or replace.
029783 12-ENG