Connection of claw and threaded hole
1. Only use the approved fastening sets from Pfeiffer Vacuum for the connection.
2. Connect the flange according to the diagram using the components in the mounting kit.
3. Use all prescribed components for the turbopump.
4. Tighten the claws in 3 stages in opposite pairs.
– Tightening torque:
5, 10, 16 ± 1 Nm
Connection of hexagonal screw and threaded hole
1
.5
x
d
1. Only use the approved fastening sets from Pfeiffer Vacuum for the connection.
2. Place the collar flange over the high vacuum flange on the turbopump.
3. Insert the snap ring into the side groove on the high vacuum flange of the turbopump.
4. Fasten the turbopump onto the counter flange in accordance with the diagram using the collar
flange, snap ring and centering ring.
5. Use all prescribed components for the turbopump.
6. Screw the hexagonal screws into the threaded holes.
– Observe the minimum tensile strength of the flange material and the screw-in depth.
7. Tighten the hexagonal screws in three stages in opposite pairs.
– Tightening torque:
5, 10, 16 ± 1 Nm
Connection of stud screw and threaded hole
2
.5
x
d
1. Only use the approved fastening sets from Pfeiffer Vacuum for the connection.
2. Screw the required number of stud screws with the shorter screw-in end into the holes in the
counter flange.
– Observe the minimum tensile strength of the flange material and the screw-in depth.
3. Place the collar flange over the high vacuum flange on the turbopump.
4. Insert the snap ring into the side groove on the high vacuum flange of the turbopump.
5. Fasten the turbopump onto the counter flange in accordance with the diagram using the collar
flange, snap ring and centering ring.
6. Use all prescribed components for the turbopump.
7. Tighten the nuts in 3 stages in opposite pairs.
– Tightening torque:
5, 10, 16 ± 1 Nm
Installation
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