Vigor V4331 Betriebsanleitung Seite 13

Example shows the tool testing a turbo system intercooler coil for integrity
5. Open valve fully (operating lever in line with hose axis) to check for leaks and or pressurisa-
tion up to specified 0.3 bar (5 psi). If a leak is found, by listening or if the pointer falls, it indi-
cates that the system has a leak resulting in loss of pressure. Repair the leak and retest.
6. If no leaks are evident, regulate pressure to 0.7 bar (10 psi) and check for leaks and or pres-
surisation up to specified 0.7 bar (10 psi). If a leak is found, by listening or if the pointer falls, it
indicates that the system has a leak resulting in loss of pressure. Repair the leak and retest.
3 Design and Function
System schematic
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