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6996 0229 87 Issue A – 05/2017 – © Leybold 36
Table 2 – Preventive maintenance schedule
Check the oil level and fill the gearbox with the oil, if
necessary.
Remove the air filter elements and inspect.
Replace damaged or heavily contaminated
elements.
Check for possible air and oil leakages
Inspect the pipe lines and connections
Replace the air filter elements
Check pressure and temperature readings
Check operation of cooling fans of converter and
clean heatsink
Check and clean cooling fan assembly
Change spring inlet valve
Consult Leybold for the internal cleaning guidelines.
(1) Or after 4 years whichever comes first.
(2) Only use synthetic oil.
* In medium and harsh applications, an optional 500 hrs oil sample is recommended.
* For overpressure pump, oil change intervals are different.
CAUTION
Any leakage should be attended immediately. Damaged hoses or flexible joints must be
replaced.
CAUTION
We recommend to monitor the oil condition through the sight glass and to change the oil
when it becomes discolored. Not changing oil in time may result in failure of the pump.
Note: The bearings of the motor are greased for life.
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