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Subject to change without notice. 32
Setting the pump pressure operating on the by-pass screw
1. Loose fixing nut.
2. Turn setting screw clockwise (“-“ ) to decrease and anti clock (“+”) to
increase pump pressure. Factory setting is 9 Bar.
Please do not set lower than 8 Bar or higher than 10 Bar.
3. Tighten fixing nut again.
Please check pump pressure with pressure gauge (Fig. A/6).
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