TROUBLESHOOTING AND REPAIR
PATTERN
TROUBLESHOCAUSE
CORRECTION
Dissolve material in side ports with
Dried Material in side port hole. re-
thinner.
stricts passage of air. Greater flow of
air from clean side port hole forces fan
Do not use metal instrument
pattern in direction of clogged side.
Remove air nozzle and clean off fluid
Dried material build-up on the outside
tip, using rag, wet with thinner. Tighten
of the fluid nozzle tip restricts the
air nozzle.
passage of atomizing air at one point
through the center opening of air noz-
zle. This pattern may be caused by
loose air nozzle.
Reducing air pressure will correct cause
A split spray or one that is heavy on
(1). To correct cause (2), open fluid
each end and weak in middle by (1) too
control needle, at the same time turn
high an atomization air pressure, or (2)
fan control in. This will reduce width of
by too wide a spray pattern with thin
spray but will correct split spray pattern.
material.
1. Fill Cup
1. Insufficient fluid in cup.
2. Clean
2. Obstructed fluid Passage or hose. 3.
3. Retighten or replace
Loose or defective cup
4. Retighten or replace
4. Loose fluid tip or defective
. Lubricate or replace. Tighten.
5. Dry or worn packing (301 or loose
packing nut 16).
MAINTENANCE & CLEANING
Lubrication - Place a drop of light machine oil on:
a. fluid needle packing.
b. air valve packing.
c. fan control packing.
d. trigger pivot point.
Coat the fluid control spring with petrolatum.
Cleaning - Empty material from cup and replace with compatible thinner or solvent. Replace cup and spray in the usual
manner to flush passage thoroughly and to clean tip of needle.
To clean air and fluid nozzles, soak them in solvent to dissolve any dried material and blow clean with air.
Never immerse gun in solvent beyond spray head.
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