Service Manual
Manufactured by Bersch & Fratscher GmbH
5
version 10/2008
OPTIMA 2100
2.2.5 Handling liquids, lacquers and colours
Consider all handling specifications of the manufacturer’s of all used paints, solvents and cleaners
during the paint preparation, the paint application as well as the cleaning process.
Obey all prescribed preventive measures; carry an eye protector, protective clothing and - gloves
and use if necessary skin protection cream.
Always carry a protective mask and/or use a respirator when painting, as well as during preparation
and cleaning.
Operate the spray gun only in a spray booth or at a spray wall with operating ventilation (to exhaust
the overspray) in order to guarantee a sufficient health and environmental protection.
Carry when processing hot materials (max. 60°C) appropriate protective clothing.
2.3 Adhesion
Bersch & Fratscher declines any liability for damages, which result from not intended use. The
equipment may be used only for processing material recommended by Bersch & Fratscher. The
equipment may only be operated as a complete unit. Protection devices may not be disabled. Only
Bersch & Fratscher original spare parts and - accessories may be used. In case of self
disassembly the liability is void.
3. Connected loads
A) Maximum permitted air pressure 8 bar, recommended operating pressure 1.5 - 3 bar.
Operating pressure depends on viscosity, nozzle size and kind of spray system (Airless - Air Combi).
B) Maximum permitted material temperature by operation without gloves is 40 degrees Celsius.
C) Maximum permitted material temperature by operation with gloves is 60 degrees Celsius
D) Maximum permitted material pressure 250 bar
4. Material consumption and throughput values
a) Material consumption values – depending on nozzle bore and pump pressure.
b) Material throughput values
Measurement based on the following values:
Operating pressure: 100 bar
Nozzle size: 0.23 mm
Material viscosity: 45 seconds. DIN 4 mm/20 degrees Celsius
Material throughput: approx. 0.26 l/min.
5. Air consumption
Air consumption of the high pressure paint spray gun (total air regulating valve 1248 - to U6 adjusted fully on max.,
see description of function Table designation „B “,.)
Round jet Flat jet
1,0 bar = 5,0 cbm/h = 84.0 l/min. 1,0 bar = 4.3 cbm/h = 72.0 l/min.
2,0 bar = 8.1 cbm/h = 136.0 l/ min. 2,0 bar = 6.9 cbm/h = 115.0 l/min.
3,0 bar =11,1 cbm/h = 185.0 l/ min. 3,0 bar = 9.2 cbm/h = 154.0 l/min.
These values can be reduced by operating the total air adjustment 1248-U6
by approx. 80% (i.e. values are than only approx. 20 %)
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