6.2 Maintenance plan
The plan shown in Table: Maintenance plan on page 37 details the roune maintenance
operaons necessary to maintain the pump in normal use. Instrucons for each
operaon are given in the secon 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 operaons
successfully. The item numbers of the spares and kits are given in Spares.
Examine the condion of any external accessory, lters or traps (if ed) when carrying
out maintenance on the pump. Refer to the instrucons supplied with these accessories
for the necessary maintenance procedures.
Maintenance plan
Operaon Frequency Refer to secon
Check the oil level As required; at least monthly Check the oil level on page 37
Replace the oil Every 3000 hours of operaon Replace the oil on page 38
Inspect and clean the inlet lter Every oil change Inspect and clean the inlet-lter
on page 38
Clean or replace the gas-ballast
lter
Yearly Clean the gas-ballast lter on
page 39
Clean the motor fan-cover and
enclosure
Yearly Clean the motor fan-cover and
enclosure on page 40
Clean and overhaul the pump Every 15000 hours of
operaon
Clean and overhaul the pump on
page 40
Replace the run capacitor Every 4 years Replace the run capacitor and test
the motor on page 40
Test the motor condion Every 15000 hours of
operaon
Replace the run capacitor and test
the motor on page 40
Fit new blades Every 30000 hours of
operaon
Fit new blades on page 40
6.3 Check the oil level
Note:
1. If required, it is possible to check the oil
‑
level while the pump is operang, however
the pump must be switched o. 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 rell with clean oil as described in Replace the oil on page 38.
Refer to Figure: General view of the pump on page 11 for the items in brackets.
Page 37
A34310880_T - Maintenance