Edwards nES Series User Manual

6. Maintenance
6.1 Prevenve maintenance schedule
WARNING: SAFETY PRECAUTIONS
Risk of injury or damage to equipment. The operator must apply all relevant safety
precauons. Refer to Safety precauons during maintenance or repair on page 10.
Before the maintenance, repair or adjustments, do the steps as follow:
▪
Stop the vacuum pump.
▪
Set the voltage supply to o.
▪
Isolate the machine from all sources of under and overpressure.
▪
Make sure that the pump system is at atmospheric pressure.
Refer to Fault nding on page 43 for more informaon.
Warranty - Product Liability
Use only authorised parts. Any damage or malfuncon caused by the use of
unauthorised parts is not covered by Warranty or Product Liability.
Service kits
For overhauling or carrying out prevenve maintenance, service kits are available.
Contact our customer centre.
Service contracts
We oer several types of service contracts, relieving you of all prevenve maintenance
work. Contact our customer centre.
General
Replace the o-rings and washers that are removed during servicing.
Intervals
Our local customer centre may overrule the maintenance schedule, especially the
service intervals, depending on the environmental and working condions of the
vacuum pump.
The longer interval checks must also include the shorter interval checks.
Table 4
Prevenve maintenance schedule
Operaon
Duty
*
Normal Medium Harsh
Check oil level and
condion
24 hours 24 hours 24 hours
Clean dirt-trap at pump inlet Monthly Monthly Monthly
Clean
an suck back valve at pump
inlet
Yearly Yearly Yearly
07/2020 - Page 35
A35104880_B - Maintenance

Edwards nES Series Specifications

General

Brand	Edwards
Model	nES Series
Category	Water Pump
Language	English