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2.5.4 Venting of pipe system
When each pump has been vented the system is started up, and all high- pressure cocks on
the pipeline are opened one at a time until all air has been removed. Begin with the remotest
high pressure cock.
Please note that the cock should be closed for a short time before opening it again. The latter is
done in order to prevent the leakage stop from being activated when venting long pipelines.
2.5.5 Adjustment of line pressure
Adjustment of line pressure should only be carried out by an
authorized Nilfisk-ALTO service technician.
As a standard the DELTABOOSTER is adjusted to a line pressure of 160 bar, but it may be
adjusted to any line pressure within the area 90 to 160 bar.
It will always be expedient to choose a line pressure corresponding to the highest working pres-
sure / nozzle pressure which you know will be required for your cleaning jobs.
A Nilfisk-ALTO service technician can adjust the high pressure switch (1) and the overflow valve
(2) to the required line pressure. The pressure can be read from the pressure gauge (3).
Fig. 8
37


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Others manual(s) of Nilfisk-ALTO DELTABOOSTER

Nilfisk-ALTO DELTABOOSTER Additional guide - English - 1 pages

Nilfisk-ALTO DELTABOOSTER Additional guide - German - 1 pages

Nilfisk-ALTO DELTABOOSTER User Manual - German - 56 pages

Nilfisk-ALTO DELTABOOSTER User Manual - Dutch - 62 pages

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Nilfisk-ALTO DELTABOOSTER User Manual - French - 57 pages


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