Craftsman 919.155190 - Manual (Page 13)

PROBLEM CAUSE CORRECTION
Unatomized or
spattered spray
1. Material too heavy.
2. Insufficient air pressure.
1. Thin material.
2. Turn pattern control knob
counter clockwise to Increase
air pressure. Turn
mt
valve
control knob counter clockwise
to Increase air pressure.
3. Fluid pressure too high. 3. Turn fluid control knob
clockwise to decrease fluid
flow. If using in renote
pressure feed mode decrease
fluid pressure at paint tsnk.
4. Dried material on tip of
fluid nozzle or air jets of
air cap.
4. Clean.
Inadequate air
delivery
1. Air valve control knob
partially closed.
2. Dried material in air jets
or air cap.
3. Obstaiction in air Inlet.
1. Turn air valve control knob
clockwise to open.
2. Clean.
3. Remove obstaiction.
Excessive fog 1. Air pressure too high for
viscosity of fluid
1. Reduce air pressure at air
supply regulator, turn pattern
control knob clockwise, or turn
fluid control knob counter
clockwise.
2. Too far from work
surface.
2. Adjust to proper distsnce.
Material leaking from
fluid inlet of cup.
1. Loose cup or foreign sub­
stances oiVbeiween cup
thread aid fluid inlet.
1. Clean and tighten.
Material leaking from
nozzle when trigger is
released 1. Dried material In tip of
nozzle.
2. Loose fluid needle
adjustment nut.
1. Ciean
2. Tighten fluid needle «tjustment
nut.
13-ENG D29783