Coolers - Edwards EOSi Series Instruction Manual

Oil-sealed rotary screw vacuum pumps
Table of Contents

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1.
2.
3.
18.
Make sure that no dirt enters into the system.
19.
Install the filler plug.
20.
Operate the pump for a few minutes.
21.
Stop the pump.
22.
Close the isolation valve.
23.
Set the voltage to off.
24.
Wait for a few moments for the pump to vent the vessel.
25.
Turn the oil filler plug by one turn to remove the remaining pressure in the pump.
26.
Fill the oil separator tank with oil until the level reaches the top of the oil sight
glass. Refer to
27.
Install the filler plug.
28.
When the oil level is too low, go back to step 16.

9.6 Coolers

CAUTION: LOOSE PARTS
Risk of damage to equipment. Remove the loose parts that are used as a cover after
the maintenance on the fan and on the cooler.
Note:
Keep the coolers clean to maintain their efficiency.
To replace the cooler, do the steps that follow:
1.
Stop the pump.
2.
Set the isolation valve to off.
3.
Set the voltage to off.
4.
Cover all the parts under the coolers.
5.
Remove the service plate at the fan compartment.
6.
Remove the dirt from the coolers with a fibre brush. Brush in the direction of the
cooling fins.
7.
Clean with an air jet in the reverse direction to normal flow.
8.
If it is necessary to wash the coolers with a cleaning agent, contact us.
9.
Install the service plate at the fan compartment.
6996022910_B
6996022910_B - Maintenance
Oil separator tank
Filler plug
Oil sight glass
Operation
on page 96 and
Page 107
During operation
on page 97.
09/2021 - ©Edwards Limited

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