4. If necessary, turn the volume control valve for the water volume
on the water valve fitting in order to achieve the required mortar
consistency. This changes the volumetric flow rates. You can
read off the volumetric flow rate on the flow meter.
The container must never be pumped completely empty as this will
cause the pump to suck in air.
6.5.2.2 Using the spray gun correctly
Figure 30: Guide the spray gun back and forth in smooth movements
1. Guide the spray gun back and forth in quick, horizontal move‐
ments at an even pace. Circular movements are ineffectual.
2. When plastering walls, point the jet slightly upwards.
3. For all other tasks, point the jet at a right angle to the surface to
be plastered.
4. Maintain a distance of 20 cm to 30 cm between the nozzle and
the wall.
⇒
The closer the nozzle is to the wall, the more sharply the jet is
delimited.
5. Use less air for spraying close to the wall.
Operation
6 — 13
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