Backing up settings made by the customer
The factory operating parameters are always preset in replacement units. All settings made
by the customer to the original electronic drive unit are lost when it is replaced. To preserve
your custom settings, you have the following options:
1. Back up all your settings as a parameter set in an HPU.
2. Load a backup parameter set by means of HPU into the new electronic drive unit.
3. Program the individual settings into the new electronic drive unit by hand.
4. See the operating instructions of the electronic drive unit and the HPU.
The electronic drive unit of the turbopump cannot be repaired. In the event of a defect, replace the en-
tire electronic drive unit with a replacement part.
Prerequisites
● Turbopump is off
(see chapter “Switching off”, page 34)
.
● The vacuum system is vented to atmospheric pressure
(see chapter “Venting”, page 34)
.
● The electrical supply is disconnected.
● All cables are disconnected from the electronic drive unit.
● All openings are sealed with the original protective covers.
7.4.1 Removing electronic drive unit
Required tools
● Torx screwdriver,
TX 10
3
4
5
1
2
Fig. 16:
Removal of electronic drive unit
1 Torx screw
4
Fore-vacuum connection protective cover
2 Electronic drive unit
5
Adapter plate
3 High vacuum connection protective cover
Procedure
1. Install the turbopump upright if required.
2. Unscrew all 4 Torx screws from the electronic drive unit.
3. Pull the old electronic drive unit off the turbopump, taking care to keep it straight.
7.4.2 Install the electronic drive unit
Required tools
● Torx screwdriver,
TX 10
● Calibrated torque wrench (tightening factor ≤ 1.6)
Maintenance
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