00196851-02 OG SIPLACE Operation of X and SX-Series with SSC (SW70x) - 第170页

Weekly PM (70x) - Head vacuum test : 170 Head vac uum test The vacuum test is used t o check the condition of th e nozzles and segments. 1. Click ‘Vacuum values’ tab. 2. Click ‘Measure vac uum values’ tab. 3. The ‘Open’ …

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Weekly PM (70x) - Preparations for Maintenance – vacuum test :
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Preparations for Maintenance – vacuum test
CPP head functions menu.
1. Select – ‘Check vacuum, height and scan values’
icon.
Weekly PM (70x) - Head vacuum test :
170
Head vacuum test
The vacuum test is used to check the condition of the
nozzles and segments.
1. Click ‘Vacuum values’ tab.
2. Click ‘Measure vacuum values’ tab.
3. The ‘Open’ results will vary depending on nozzle size.
4. All ‘Closed’ results should be about the same.
5. Difference = difference between ‘Open’ & ‘Closed’
results
6. Min difference = minimum required difference
between ’Open’ and ‘Closed’ results.
7. Click on the ‘Switch Screens’ icon to view a graph of
the results.
NOTICE! If the 'Difference' value for a segment
is not between the 'Min difference' values then an error
will occur. In this event – Contact your Supervisor!
Weekly PM (70x) - Head vacuum test - graph :
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Head vacuum test - graph
1. The vacuum test results are displayed as a ‘Spider’s
Web’ graph. The results for all nozzles should be
within the green area of the graph.