Pfeiffer Vacuum HISCROLL 12, Руководство по эксплуатации

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Fig. 28: Replacing the tip seal on the scroll pump
1 Tip seal 4 Tip seal
2 Orbiter 5 O-ring
3 Pump housing 6 Spiral housing
Removing the tip seal
1. Place the pump housing in an upright position.
2. Use the o-ring picker and remove the o-ring from the spiral housing.
3. Use the o-ring picker and remove the tip seal from the orbiter.
4. Use the o-ring picker and remove the tip seal from the spiral housing.
5. Clean the working area of the orbiter and spiral housing as well as the spiral groove on both sides
using a clean, lint-free cloth and a little isopropanol.
6. Clean the cooling fin on the spiral housing to remove any soiling that might impact the cooling per-
formance.
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Fig. 29: Tip seal nut in the spiral housing
1 Cut mark 3 Clamping point
2 Spiral groove 4 Start of spiral
Inserting the tip seal
The described steps apply equally to the spiral housing and the orbiter in the pump housing.
1. Press a new tip seal, starting from the inside, into the spiral groove.
– The clamping points in the groove help you to fix the tip seal in place.
2. Carefully cut the tip seal at the outer cut mark using a side cutter.
Maintenance
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