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9. Maintenance
9.1 Preventive maintenance schedule
WARNING: MAINTENANCE SAFETY
Risk of injury and damage to equipment. The operator must obey the safety
precautions. Only approved personnel trained by us is permitted to do the
maintenance.
WARNING: HIGH VOLTAGE CAPACITOR
Risk of injury and damage to equipment. Dangerous high voltage remains on the
capacitors of the start and the speed regulation unit for some minutes after the
current supply is off. Wait for minimum 10 minutes before you start the electrical
repairs.
Before the maintenance, repair or adjustments, do the steps as follow:
1.
Stop the pump.
2.
Close the air inlet isolation valve.
3.
Push the emergency stop button.
4.
Set the current supply to off.
5.
To vent the pump, open the plug given on the cover of the air inlet filter.
6.
Make sure that the pump system is at atmospheric pressure level.
7.
Lockout - Tagout (LOTO): Open the power isolation switch and lock it with a
personal lock. Tag the power isolation switch with the name of the service
technician.
8.
Make sure that the power supply is set to off and disconnected.
Warranty - Product liability
Use only approved parts. The damage or malfunction caused by the use of the parts that
are not approved is not covered in the warranty or product liability.
Service kits
To do an overhaul or a preventive maintenance, service kits are available. Refer to
Service kits
Service contracts
We offer different types of service contracts, to relieve you of all preventive
maintenance work. Contact our customer centre.
General
Replace the O-rings and washers that are removed during servicing.
6996022910_B
6996022910_B - Maintenance
on page 110.
Page 100
09/2021 - ©Edwards Limited
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