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6. Useful tips
6.1. General advice
· You are recommended to use the gun with the product regulator open (without removing it comple-
tely from its housing) in order to minimise wear to the fluid tip and needle and to ensure maximum
amplitude.
· Use the lowest spray pressure in the nozzle that allows you to obtain the required finish. Not all
products require the maximum pressure for correct spraying. With a lower pressure, less air is
consumed and there is an additional increase in product transfer.
- The gun leaves the factory ready to spray products correctly with the air nozzle corresponding to
each application. It is adjusted to an air inlet pressure of 2 bar to ensure maximum performance.
· Pay special attention to the application speed. The thickness of the film deposited may be greater
than planned if the application speed is low, and the opposite is also true.
· If the thickness of the layer is very thin, this is due to the fact that the air pressure is excessive for
the amount of product being applied. Reduce the air pressure in the gun in order to ensure that the
solvent in the paint does not evaporate during spraying and that this is not dry when it reaches the
surface to be painted. Increase the amount of product, correct its viscosity or use a larger fluid tip
in the gun.
· If the film is thick or granulated, this is due to the fact that the air pressure is excessive for the
amount of product to be applied. Decrease the amount of product, reduce its viscosity or use a
smaller fluid tip in the gun.
· If sagging occurs, this is due to the fact that the amount of product to be applied is excessive for the
air pressure used, that the viscosity is not correct or the application speed is not adequate. Decrease
the amount of product, adjust its viscosity or increase the application speed until the required finish
is obtained.
The spraying width (spraying pattern) obtained will depend on the air nozzle used. If nozzles are
required for other applications, contact the Technical Service of SAGOLA S.A.
The size or amplitude of the spraying pattern can be modified with the spray width regulator, by
turning the control anticlockwise to increase this or clockwise to reduce this.
6.2. Tips for application in different climatic zones
Paint application, especially waterbone paints.
•
Extreme climate conditions: The use of additives in the paint
may be required (see paint manufacturer specifications).
Recommendations:
1
Increase the peak size from 0.1 to 0.2
mm. compared to the one used in normal conditions.
the size of the fan by making it more rounded and with a central
core more loaded with product.
•
Critical climate conditions: The use of additives in the paint may be required (see
paint manufacturer specifications). Reduction of the fan and increase of the spray
core in a critical climate.
Recommendations:
1
Reduce the dynamic pressure between 0.2 and 0.5 bar
compared to that used in normal conditions.
0.1 to 0.2 compared to that used in normal conditions.
in the central core of the fan.
•
Non-critical climate conditions: The use of additives in the paint may be required
(see paint manufacturer specifications).
Recommendations: Patrón de abanico estándar.
•
Optimum climate conditions:
Recommendations: Optimum fan pattern.
Temperature (
50
40
30
20
2
Reduce
10
2
Increase the size of the peak from
3
Increase the product load
ENGLISH
o
C)
Do not apply paint in these conditions
10
20
30
40
50
60
70
80
Relative humidity (%)
Extreme climate
fan pattern
Critical climate
fan pattern
Standard
Optimum
fan
fan
pattern
pattern
90 100
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