Regular maintenance helps keep your vacuum pump running efficiently
Regular maintenance is key to helping your vacuum pump perform at its best, reducing unnecessary wear and supporting a longer service life. Edwards vacuum pumps are designed for straightforward servicing, making routine maintenance easier to carry out.
On this page, we will guide you through how to replace the oil and filters on your Edwards nES65 single-stage oil-sealed rotary vane vacuum pump. We will cover the disassembly, oil and filter removal, replacement, and
reassembly procedures.
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Follow safety guidelines
Before carrying out maintenance on your Edwards nES65 vacuum pump:
- Switch off the power supply to the pump system.
- Allow the pump to cool to a safe temperature before servicing. This typically takes approximately one hour.
- Ensure you have a suitable container with a minimum capacity of 1.5 litres for draining the oil.
- Refer to the instruction manual for the correct oil specification for your pump.
Tools and materials required
| Tools: |
1. Oil collection tray (min. 1.5 L capacity) |
2. Strap wrench (for oil filter removal) |
3. Clean cloth |
4. Vacuum grease |
5. Oil filter and exhaust filter |
6. Fresh oil |
6. Allen Key Set |
7. Spanner 12mm |
8. Syringe |
Oil Information
Pump Category |
Oil Information |
Quantity |
nES65 |
Ultragrade Performance 70 – 5l |
2 Liter in the pump |
nES 65 Hazloc |
Ultragrade Endurance EXTEND 110 - 5l |
2 Liter in the pump |
*You can also find the information for the type of oil to be used in the instruction manual.
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