Rev. 00 of 01.01.2009
26 / 29
11.7 PERIODIC MAINTENANCE
MAINTENANCE TO BE CARRIED
OUT
MAINTENANCE METHOD
FREQUENCY
Oil circulation check
Inspect the oil valve (if applicable)
Once or more daily
Tank oil level check
Use the oil level dipstick located on the
manifold
Once or more daily
Vanes wear check
Per instructions in this manual
Every 600 hours of operation
or when any odd noise occurs
Check correct operation of pressure
and vacuum relief valves
Per valve or equipment manufacturer’s
instructions
Once a week
Washing of the oil tank
Per instructions in this manual
Once a year
Washing the inside of the body
Per instructions in this manual
Once monthly (additionally
each time sewage enters or
when the equipment does not
operate for a long period
Washing the lubrication pump
Use brush and compressed air
Once a year or in case of long
stop
Check of correct operation of overfill
traps
Inspect and clean as necessary
Once a month
Lubrication of pump drive shaft
(…AM and …AD)
Oil the shaft with brush and lubricating
oil
Once a month
Washing and cleaning of the oil valve
Remove the valve
Once a month
(Table 9)
12. DECOMMISSIONING AND DEMOLITION
Before the demolition of the vacuum pump, it is necessary to sort the following materials:
lubrication oil from the tank, housing, manifold must be disposed of properly.
parts in rubber and plastics; disposing of them properly.
parts in cast iron and steel; disposing of them properly.
Do not dispose of the vacuum pump in the environment.
For the disposal of the lubrication oil, use specialized treatment services.
