Craftsman 919.716051, Owner'S Manual

Page: 7 / 18

A01908
7- ENG
PROBLEM
CAUSE CORRECTION
TROUBLESHOOTING
Heavy
center
pattern.
Reduce fluid flow or increase air
pressure.
Thin material.
Reduce air pressure or increase
fluid flow.
Split
spray
pattern.
Insufficient material.
Gun with cup tipped at
excessive angle.
Obstructed fluid passage or
hose.
Loose fluid tip or damaged tip
seat. (Most common cause.)
Loose or cracked fluid tube in
cup or pressure tank.
Too heavy fluid for suction
feed.
Dry or worn packing or loose
packing nut.
Fill material container.
Do not tip excessively or rotate
fluid tube.
Clean.
Tighten or replace.
Tighten or replace.
Thin material or change to
pressure feed.
Lubricate or replace. Tighten.
Gun improperly adjusted.
Dirty air cap.
Fluid tip obstructed.
Sluggish needle.
Readjust gun following instructions
carefully.
Clean air cap.
Clean.
Lubricate.
Fan adjustment stem not
seating properly. Clean or replace.
Unable to get
round spray.
Too much material
Material too thick.
Will not spray.
No air pressure at gun.
Internal mix air cap used with
suction feed
Check air lines.
Change to pressure feed.
Determine where material build-up
is by inverting cap and test
spraying. If pattern shape stays in
same position, the condition is
caused by material build-up on
fluid tip. If pattern changes with
cap movement, the condition is in
the air cap.
Soak cap or tip in suitable solvent
and wipe clean. To clean orifices
use a broom straw or toothpick.
Never use a wire or hard
instrument. This damages holes
and distorts its spray pattern.
Heavy top or
bottom pattern
.
Heavy right or
left side pattern.
Material build-up on air cap or
fluid tip. Partially plugged horn
holes, center holes or fluid tip
hole.
Not enough material.
Jerky or
fluttering spray.
Improper spray
pattern.