Craftsman 919.716051 Manuel Du Propriétaire page 7

PROBLEM
Material build-up on air cap or
Heavy top or
. fluid tip. Partially plugged horn
bottom pattern
holes, center holes or fluid tip
hole.
Heavy right or
left side pattern.
Too much material
Heavy
center
pattern.
Material too thick.
Split Not enough material.
spray
pattern.
Insufficient material.
Jerky or
fluttering spray.
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.
Gun improperly adjusted.
Improper spray
pattern.
Dirty air cap.
Fluid tip obstructed.
Sluggish needle.
Unable to get
Fan adjustment stem not
round spray.
seating properly.
No air pressure at gun.
Will not spray.
Internal mix air cap used with
suction feed
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TROUBLESHOOTING
CAUSE
7- ENG
CORRECTION
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.
Reduce fluid flow or increase air
pressure.
Thin material.
Reduce air pressure or increase
fluid flow.
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.
Readjust gun following instructions
carefully.
Clean air cap.
Clean.
Lubricate.
Clean or replace.
Check air lines.
Change to pressure feed.
A01908