Craftsman 919.716051, Owner'S Manual

Page: 8 / 18

A01908 8- ENG
PROBLEM
CAUSE CORRECTION
TROUBLESHOOTING
Will not spray.
(cont'd) Fluid pressure too low with
internal mix cap and pressure
tank.
Screw not open enough.
Fluid too heavy for suction feed.
Fluid leakage
from packing
retainer nut. Packing nut loose.
Packing worn or dry.
Tighten, but not so tight as to grip
needle.
Replace packing or lubricate. See
"Maintenance".
Dripping from
fluid tip. Dry packing.
Sluggish needle.
Tight packing nut.
Lubricate. See page 6.
Lubricate. See page 6.
Adjust. See page 5.
Runs and sags
. Too much material for spray
pace.
Material too thin.
Gun tilted on an angle.
Reduce pressure and readjust.
Remix or spray light coats.
Hold gun at right angle to work.
Excessive
overspray.
Reduce.
Check distance. See "Hints for
Good Spraying Results" on page 6.
Move at moderate pace, parallel to
work surface. See "Hints for Good
Spraying Results" on page 6.
Too much atomization air pres-
sure.
Gun too far from surface.
Improper stroking; i.e., arcing,
moving too fast.
Excessive fog. Too much or quick drying thinner.
Too much atomization air
pressure.
Remix.
Reduce.
Increase fluid pressure at tank.
Open fluid adjusting screw.
Change to pressure feed.
Gun too far from surface
Too much air pressure.
Improper thinner
Move gun closer to surface. See
"Hints for Good Spraying Results"
on page 6.
Reduce pressure.
Follow paint manufacturer's
instructions.
Thick dimpled
finish "orange
peel." Too much
material coarsely
atomized.
Gun too close to surface
Air pressure too low.
Improper thinner.
Material not thoroughly mixed.
Surface rough, oily, dirty.
Move gun away from the surface.
See "Hints for Good Spraying
Results" on page 6.
Increase air pressure or reduce fluid
pressure.
Follow paint manufacturer's
instructions.
Mix thoroughly.
Properly clean and prepare surface.
Thin, sandy
coarse finish
drying before it
flows out.