5.8 Maintenance Schedule
The stated intervals apply only provided the signals from the SP-Guard are processed and evaluated.
Maintenance Work Interval
Carried out by,
Where to do
Spare parts Remarks
SP 250
Gas ballast facility, cleaning
filter
Periodical/if required,
at the latest after
40,000 h or every 5
years
Operator, on site
Oil cooler, check, clean Periodical/if required,
at the latest after
40,000 h or every 5
years
Operator, on site
Oil level, check Periodical/if required Operator, on site
Oil change and oil filter
change
at the latest after
20,000 h or 2.5 years
Operator or
Leybold service,
on site
EK 1100000820
(EK 1100000837)
no gear or oil is included in
EK 110000837
Inspection of the screw
rotors and the pump hous-
ing
Periodical/if required,
at the latest after
40,000 h or every 5
years
Leybold service,
on site
EK 1100000821 Rotor inspections can only
be done by the authorised
after sales service. Check
ground connection after
rotor inspection.
Full service At the latest after
40,000 h or every 5
years
Leybold service,
authorised service
centre
Accessories
Exhaust silencer, check,
empty
Periodical/if required Operator, on site See Operating Instructions
exhaust silencer
Dust filter, check, clean,
empty
Periodical/if required Operator, on site See Operating Instructions
dust filter
Non-return valve, do a
function test, clean, replace
O-rings
Periodical/if required Operator, on site EK 110000828 See Operating Instructions
non-return valve
Ruvac adapter, replace O-
rings, replace inlet screen
(elastic parts)
Periodical/if required Operator, on site EK 110000835
(EK 1100002677)
See Operating Instructions
Ruvac adapter (replace
elastic parts only if defec-
tive)
Purge gasket, function test,
replace purge gas connec-
tion
after or 2.5 years Operator, on site EK 110000834 See Operating Instructions
purge gas kit
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