Installing The Electronic Drive Unit; Fig. 21: Removal Of Electronic Drive Unit Tc; Fig. 22: Installation Of Electronic Drive Unit Tc - Pfeiffer Vacuum HIPACE 300 Operating Instructions Manual

Maintenance
Fig. 21:
1 Torx screw
2 Electronic drive unit
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 Installing the electronic drive unit
Required tools
● Torx screwdriver TX 10
● Calibrated torque wrench (tightening factor ≤ 1.6)
Fig. 22:
1 Torx screw
2 Electronic drive unit
3 High vacuum connection protective cover
Procedure
1. Place a new electronic drive unit straight onto the adapter plate connection of the turbopump.
2. Screw the electronic drive unit to the turbopump with all 4 Torx screws.
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2
1
5
Removal of electronic drive unit TC 110
2
1
5
Installation of electronic drive unit TC 110
– Tightening torque: 0.8 Nm
3
4
4 Fore-vacuum connection protective cover
5 Adapter plate
3
4
4 Fore-vacuum connection protective cover
5 Adapter plate