Buhnen HB 5010, Translation Of The Original Operating Manual

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Set-up / Retrofit
20
6.3 Setting the preliminary / secondary air
Danger of electric shock!
Disconnect the power plug from the tank system before carrying out the following work:
Connecting and terminating electrical connections may only be implemented by compe-
tent electricians.
Required tool: 1 Phillips screwdriver
1 Allen wrench size 2.5
Needle carrier
Set screw
Nozzle needle
A
Fig. 6/4: Setting the preliminary / secondary air
The preliminary/secondary air provides a drip-free spray pattern. It has been pre-set by
the factory. These factory settings should only be changed in exceptional cases.
Setting preliminiary / scondary air (Measure A)
Factory default: A = approx. 1.0 mm
For converting to bead application: A = 0.2 mm
To set the preliminary/secondary air, carry out the following work steps:
1. Dismantle the grip casing of the manual application unit (7 Phillips head screws).
2. Release the set screw with the Allen wrench size 2.5.
3. Twist the needle carrier to change the preliminary/secondary air to the desired mea-
sure.
In doing so, make sure that the nozzle needle does not twist along.
4. Lightly retighten the set screw.
5. Assemble the grip casing.