Maintenance Plan; Check The Oil Level - Edwards E2M28 Instruction Manual

6.2 Maintenance plan

The plan shown in
operations necessary to maintain the pump in normal use. Instructions for each
operation are given in the section shown.
More frequent maintenance may be required if the pump is used to process corrosive or
abrasive gases and vapours, in these circumstances, we recommend you to replace the
pump seals every year. If necessary, adjust the maintenance plan according to
experience.
When carrying out maintenance on the pump, use our spares and maintenance kits,
these contain all the components necessary to complete maintenance operations
successfully. The item numbers of the spares and kits are given in Spares.
Examine the condition of any external accessory, filters or traps (if fitted) when carrying
out maintenance on the pump. Refer to the instructions supplied with these accessories
for the necessary maintenance procedures.
Table 10 Maintenance plan
Operation

Check the oil level

Replace the oil
Inspect and clean the inlet filter
Clean or replace the gas-ballast
filter
Clean the motor fan-cover and
enclosure
Clean and overhaul the pump and
replace the blades as necessary
Replace the run capacitor
Test the motor condition
Fit new blades
6.3 Check the oil level
Note:
1. If required, it is possible to check the oil
the pump must be switched off. Isolate the pump and other components in the pumping
system from the electrical supply before pouring oil into the pump.
2. Do not mix hydrocarbon lubricants with PFPE or vice versa. If the oil is mixed, drain
and refill with clean oil as described in
Refer to
A37310880_V - Maintenance
Table: Maintenance plan on page 34
Frequency
As required; at least monthly
3 to 6 months depending on
application
Every oil change
Yearly
Yearly
3 to 4 years depending on
application
Every 4 years
Every 4 years
Every 30000 hours of
operation
Figure: General view of the pump on page 11
Refer to section
Check the oil level on page 34
Replace the oil on page 35
Inspect and clean the inlet-filter
on page 35
Clean the gas-ballast filter on
page 36
Clean the motor fan-cover and
enclosure on page 37
Clean and overhaul the pump on
page 37
Replace the run capacitor and test
the motor on page 37
Replace the run capacitor and test
the motor on page 37
Fit new blades on page 38
‑ level while the pump is operating, however
Replace the oil on page
for the items in brackets.
Page 34
details the routine maintenance
35.