Pfeiffer Vacuum ASM 310 - Last maintenance operations; Counters before next maintenance; Maintenance turbo pump and cell

Access: Menu [Maintenance] [Information] [Turbo pump]
Status Read only
Pump status
Speed Read only
Pump at set operating speed
8.4.3 Last maintenance operations
This function displays the last maintenance operations performed on the detector and recorded by the
service technician.
The message “No maintenance done” is displayed if no maintenance has been recorded.
Reminder: for viewing only in this menu
Access: Menu [Maintenance] [Last maintenance operations]
Date Date of the maintenance work
Inspector name Maintenance technician who performed the work
Number total hours Number of hours of detector operation at the time of maintenance
Comments Comment entered by the service technician
8.4.4 Counters before next maintenance
This function displays the remaining periods before the next maintenance.
Reminder: for viewing only in this menu
Access: Menu [Maintenance] [Counters before next maintenance]
Valves Number of cycles completed versus number of cycles before next maintenance
Backing pump Number of hours of backing pump operation versus the number of hours before the next maintenance
Turbo pump Number of hours of turbomolecular pump operation versus the number of hours before the next mainte-
nance
8.4.5 Maintenance turbo pump and cell
Access: Menu [Maintenance] [Maintenance turbo pump and cell ]
Choice - Setting limit
1)
Filament To be selected
Filament selected for the measurement (2 filaments in the analyzer cell).
Filament 1
Filament 2
Stop and vent Function to be started
This function is used to shut down the secondary pump and to perform an inlet
vent so that the secondary pump and the analyzer cell are at atmospheric pres-
sure.
See below
-
1) Initial setting: see chapter “Tree diagram to the Settings menu”
Stop and vent
To carry out maintenance on a vacuum circuit component, the vacuum circuit of the detector must be at
atmospheric pressure.
1. Press [Stop and vent].
●
The turbomolecular pump slows to a speed that allows venting.
●
A message notifies the user when the leak detector can be shut down.
●
If the user does not wish to stop the detector, press [Restart leak detector]. The detector
start-up screen is displayed.
2. Stop the leak detector.
3. Wait until the control panel turns off completely and unplug the main power supply cable before
working on the detector.
Settings menu
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