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17
W 670
GB
Three dierent spray jet settings can be chosen on the spray gun, depending on the
application and target object.
Selecting the Spray Setting
Fig. 6 A = horizontal at jet
for horizontal surfaces
Fig. 6 B = vertical at jet
for vertical surfaces
Fig. 6 C = circular jet
for corners, edges and hard-to-reach
surfaces
Adjusting the desired Spray Setting (Fig. 7)
With the union nut (1) slightly unscrewed, turn the air cap (2) to the desired spray-setting
position (arrow). Then tighten the union nut.
WARNING! Danger of injury!
Never pull the trigger guard while adjusting the air cap.
Adjusting the Material Volume (Fig. 8)
Set the material volume by turning the regulator on the trigger guard of the spray gun
- turn to the left
lower material volume
+ turn to the right
higher material volume
Spray Technique
The spray result depends heavily on the smoothness and cleanliness of the surface to
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be sprayed. Therefore the surface should be carefully prepared and kept free of dust.
Cover all surfaces not to be sprayed.
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Cover screw threads or similar parts of the target object.
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It is advisable to test the spray gun on cardboard or a similar surface to nd the
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correct setting.
Important: Begin spraying outside of the target area and avoid interruptions inside
the target area.
The spray movement should come from the arm, not just from the wrist. This ensures
that a uniform distance is maintained between the spray gun and the spray surface
during the spray operation. Select a distance of 5 - 15 cm, depending on the desired
spray jet width.
Fig. 9 a: CORRECT Even distance to the object.
Fig. 9 b: INCORRECT Uneven distance causes uneven coating.
Move the spray gun evenly cross-wise or up-and-down, depending on the spray
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pattern setting.
An even movement of the spray gun results in an even surface quality.
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When coating material builds up on the nozzle and air cap, clean both parts with a
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solvent or water.
Interruption of Work till 4 Hours
Turn the machine o.
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Insert the spray gun into the gun holder.
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When processing 2-component varnishes, clean the device immediately.
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