Backing Pump Maintenance (Wet Model); Oil Level Checking; Oil Quality Checking - Pfeiffer Vacuum ASM 340 D Maintenance Instruction

Reassembly
4
3
F1 Filament 1
1
2
1. Place the new filament on its housing against both centering stops. Fix it with the screw and
2. Fit the fastening clips on the connectors on each side of the filament.
3. Reassemble the analyzer cell (see chapter "Disassembly/reassembly of the analyzer cell").
4. Update the replaced filament maintenance counter from the menu (see chapter "Information" of
5.9 Backing pump maintenance (Wet Model)
5.9.1 Oil level checking
For the pump to function in optimal conditions, the oil level must be checked regularly.
If the oil level is not between the minimum and maximum marks, readjust the level (see chapter "Filling
the pump").
5.9.2 Oil quality checking
For the pump to function in optimal conditions, the oil quality must be checked regularly.
A thickening of the oil, accompanied by a blackening of the oil and a "burnt" odor, are signs of lubricant
deterioration.
1. Drain the pump (see chapter "Draining the pump").
2. Flush the pump with new oil (see chapter "Flushing the pump").
3. Fill the pump with new oil (see chapter "Filling the pump").
Fixing screw and washer
Filament strip
The connectors are perpendicular to the supporting surface and parallel to each other.
washer provided with the filament.
the operating instructions).
F1
2
3 Connectors
4 Centering stops
Service - Maintenance
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