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5. OPERATING INSTRUCTIONS
Ensure that you have read and understood the Safety Instructions in Section 1 and the Warning in Section 4.
5.1.
For best results the gun must be handled and operated correctly. It should be held perpendicular to the surface being sprayed and
moved parallel to it. Start the stroke before squeezing the trigger and release the trigger before finishing the stroke. This will enable you
to accurately control the gun and paint (fig. 1).
5.2.
Spray from a distance of about 6 to 10 inches depending on the material and the atomizing pressure. The paint deposited should always
be even and wet. Each stroke must overlap the preceding stroke to obtain a uniform finish. To reduce over-spray and obtain maximum
efficiency, spray with the lowest effective atomizing air pressure.
5.3.
Controlling the fan spray and the paint:
a) Use the paint control knob (fig. 2.A) to increase or decrease the paint flow.
b) Fig. 2.B is the air input control and should be set to the lowest effective flow.
c) Turn the air cup (fig. 3.1) to achieve a horizontal or vertical fan spray. Lock the cup with retaining ring (fig. 3 2).
d) The spray pattern is variable from round to flat with all patterns in between, controlled by the pattern knob (fig.2.C).
e) In normal operation, the wings on the cup are horizontal as fig. 3. This provides a vertical fan-shaped pattern (fig. 4) which gives
optimum coverage when moving the gun back and forth, parallel to the work surface.
6. CLEANING & MAINTENANCE
IT IS VERY IMPORTANT TO ENSURE THAT THE GUN IS CORRECTLY CLEANED AFTER EACH USE.
Disconnect from the air supply before attempting any cleaning, other than flushing, or maintenance.
6.1.
Cleaning the gun
6.1.1. Flush the gun thoroughly with solvent and clean the nozzle with solvent and a brush. DO NOT immerse/soak the nozzle in solvent.
6.1.2. DO NOT immerse the entire gun in solvent. This will cause lubricants to dissolve and packing to dissolve or dry out.
6.1.3. Wipe the outside of the gun with a solvent-dampened rag.
6.1.4. If you need to clear blocked orifices, be sure to use a probe that is softer than brass.
6.2.
Maintenance
Take care when re-assembling. Screw parts hand tight to avoid cross-threading. If a part cannot easily be turned by hand, check that
you have the correct part, or unscrew, realign and try again. DO NOT use excessive force when re-assembling.
6.2.1. Lubricate the gun daily with a light machine oil. Be sure to lubricate the fluid needle packing, air valve packing and trigger pivot point.
6.2.2. If you change the nozzle size, ensure the complete nozzle set is exchanged. Insert paint nozzle before putting the paint needle in.
7.
TROUBLESHOOTING
A faulty spray is usually caused by improper cleaning or dried material around the fluid nozzle tip or in the air cup - use a brush and solvent to
remove. Never use metal instruments to clean the air cup or paint nozzle. These parts are carefully machined and any damage to them will
cause a faulty spray. If either the air cup or paint nozzle is damaged, the part must be replaced before a perfect spay can be obtained.
VIEW OF PROBLEM
fig. 1
POSSIBLE REASON FOR PROBLEM
Dried material in a dirty side port restricts passage of air.
Greater flow of air from the cleaner side port forces the fan
pattern in the direction of the clogged side.
Dried material around the outside of the fluid nozzle tip restricts
the passage of atomizing air at one point through the centre
opening of the air cup and results in the pattern shown. This
pattern can also be caused by a loose air cup.
A split spray or one that is heavy at each end of the fan pattern
and weak in the middle is usually caused by too high an
atomization air pressure or by attempting to get too wide a spray
with thin paint.
1. Worn needle packing permits air to get into the fluid
passageway. This results in spitting.
2. Dirt between the paint nozzle seat and body or a loose
paint nozzle will cause the gun to spit.
3. A loose or defective joint between the pot and gun can
cause spitting.
fig. 2
SOLUTION
Dissolve material in the side ports with solvent, then blow the gun clean.
Do not poke the orifice with a metal instrument.
Remove the air cup and wipe off fluid tip using a rag dampened with
solvent. Tighten the air cup.
Dried material in a dirty side port restricts passage of air. Greater flow of
air from the cleaner side port forces a fan pattern in the direction of the
clogged side.
1. Tighten the packing screw or, in severe cases, replace the packing.
2. Remove the fluid nozzle, clean the back of the nozzle and the nozzle
seat in the gun body using a rag dampened with solvent.
3. Tighten or replace.
fig. 3
fig. 4
SSG1X - 0016 - (1) - 070601
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