Craftsman 919.155350 Manual Del Propietário página 8

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Defective Pattern
A.
B.
C. Spitting, irregular
or fluttering spray
D. Split spray pattern
E. Unatomized or
spattered spray
F. Inadequate air de-
livery
G. Excessive fog
H. Material leaking
from fluid inlet of
cup.
I. Material leaking
from nozzle when
trigger is released
D25867
TROUBLESHOOTING
Likely Cause
Dried material
is clogging
side-port "A"
and causing
side-port "B" to
blow spray
towards the
clogged side
Dried material at
fluid nozzle "C"
restricts air flow
Loose air nozzle
Air pressure set
too high
Fluid nozzle cracked or worn
Leak at thread of fluid nozzle
Leak at fluid needle
Needle packing worn out
Insufficient fluid in cup
Vent hole in container cover
clogged
Air pressure too high
Material too heavy
Insufficient air pressure
Fluid pressure too high
Dried material on tip of fluid
nozzle or air jets of air cap
Air needle partially closed
Dried material in air jets or air
cap
Obstruction in air line
Air pressure to high for
viscosity of fluid
Loose cup or foreign sub-
stances on/between cup
thread and fluid inlet
Worn fluid needle
Dried material in tip of nozzle
Loose packing nut
8- ENG
Suggested Remedy
Soak side-ports in
thinner to clean clog.
DO NOT poke any
opening with hard
objects.
Remove air nozzle.
Wipe off fluid tip using a
cloth soaked in thinner
or by soft brush
Fasten nozzle securely
Reduce air pressure
Tighten or replace
Tighten fluid nozzle
Tighten compression nut
assembly or replace
needle packing
Replace packing
Fill cup with fluid
Clean Out
Turn pattern control
knob clockwise to
decrease fan width.
Turn fluid needle
adjusting nut counter-
clockwise to increase
fluid flow
Thin material or use
larger orifice fluid nozzle
set
Increase pressure to
within limit
Reduce pressure
Clean
Open control knob
Clean
Remove obstruction
Reduce air pressure
and/or open fluid control
knob
Tighten and clean or
replace it
Replace
Clean
Tighten needle packing
nut by turning
counterclockwise