Edwards EDS 300

Figure 17 Oil level check
1. Oil ll plugs 2. Oil level glass-motor side
3. Oil level glass-intake side
1. Oil ll plugs 2. Oil level glass-motor side
3. Oil level glass-intake side
Figure 18 Oil level at pump standsll
NOTICE:
If the oil level is too low, the bearings and gearwheels are not lubricated adequately; if it
is too high, oil may enter the pumping chamber.
The oil lling openings must be airght. Under vacuum, the inow of outside air can
cause oily gas to enter the pump chamber via the piston rings.
Clean the oil-ll port and reinstall the plug using a gasket which is in perfect condion. Wipe
o any oil residues from the casing.
9.4 Inspect the closed cooling-water circuit
(only for air cooled pump variants)
CAUTION:
The cooling system may be pressurized. Ensure that the EDS pump is cooled before
aempng to open the cooling-water header tank. Slowly open the ller cap to release
pressure.
Only for air cooled EDS pump the water or Drystar mixture lling of the closed-loop circuit
needs to be checked.
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A41802880_C - Maintenance