Pfeiffer Vacuum DUO 11 ATEX, Руководство по эксплуатации

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12.2 Maintenance kit 2 – maintenance level 2, cleaning and dismantling
Maintenance kit 2 contains all relevant wear parts , that have to be replaced after dismantling and
cleaning the vacuum pump:
● Set of seals
● Wear parts of the gas ballast valve
● Valves and vane springs
12.3 Overhaul kit – Maintenance level 3
The overhaul kit contains all the wear parts of the vacuum pump, which must be replaced after the vac-
uum pump has been dismantled and cleaned:
● Set of seals
● Wear parts of the pumping system (including vane and springs)
● Wear parts of the vacuum safety valve
● Wear parts of the gas ballast valve
12.4 Coupling set for versions with magnetic coupling
The coupling set contains:
● Both coupling halves
● Containment shell with O-ring
12.5 Set of vanes
The set of vanes contains:
● Vane
● Vane springs
Spare parts
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