vc999 K7, Руководство по эксплуатации, Страница: 53 / 121

Vacuum Packaging Machine VC999 K7
Operation
2008-11-26
Art.-No. 592.016 Page 53/121
9.5.9 Mask 53: Leak test air-cushion
This mask appears when the function button Start
leak test air-cushion has been pressed in Mask 52:
Test function.
The top window displays the current vacuum value in
the vacuum chamber.
Procedure
•
Press Hold pressure . The vacuum pump is
switched off. Timing starts in the bottom window.
Fig. 9/17
•
Monitor the displayed vacuum value. If it remains constant over a longer period of time, the air cush-
ion is air tight.
•
Press to cancel the test. The display returns to Mask 52: Test function.
NOTICE
If the vacuum value decreases during the test phase, the air cushion is defective and must be
replaced.
9.5.10 Mask 54: Leak test vacuum chamber
This mask appears when the function button Start leak
test vacuum chamber has been pressed in Mask 52:
Test function. The current vacuum value in the vacuum
chamber is displayed in the top window during the test.
The pump is switched off when the maximum vacuum
value of 999 is reached.
The vacuum pump can be switched off via the
Hold
vacuum button even before the maximum vacuum
value has been reached.
Timing starts in the bottom window once the vacuum
pump has been switched off.
Fig. 9/18
•
Monitor the displayed vacuum value. The leak test is positive if the vacuum value has not fallen be-
low 994 after 1 minute.
•
Press to cancel the test. The display returns to Mask 52: Test function.
NOTICE
If the vacuum value decreases rapidly, the seals and the vacuum system must be checked for
defects.