ENGLISH
V4-007 J EN
Originalbetriebsanleitung
30
8.6
Oil lter
You must replace or clean the oil lter every time the lubricating oil is changed.•
The neness of the lter is 7 µm and its resistance, when clean, is around 0.2 bar.•
The maximum resistance must •
NOT
exceed 2.0 bar.
At an oil pressure of around 1.8 bar, the compressor shuts down.•
With frequency converter operation, shutdown occurs at approx. 0.5 bar (o) and •
another switch is required.
A strap spanner or similar should be used for removal purposes.•
To install the new oil lter, the sealing ring should be lubricated sparingly and the •
lter screwed in until it is hand-tight.
CAUTION!• Oil may escape when the oil lter is removed.
Do •
NOT
change the oil lter while the oil is hot! Danger of scalding!
•
Example: Oil lter Example: Oil cooler
Oil temperature controller
Oil cooler
The oil cooler cools the lubricating oil during operation and works in conjunction •
with a temperature controller to ensure a constant oil temperature.
The standard oil temperature is approx. 55°C.•
The ow of cooling air is caused by a directly driven fan impeller for the compres-•
sor.
The cooler fan impeller is a component that rotates at a high speed and must
therefore be adequately protected against contact occurring with it at all times.
CAUTION! Risk of injury!
The oil temperature may reach 95°C. This mainly depends on the ambient condi-•
tions, operating data and how soiled the cooler blades are. Please observe the
maintenance schedule.
Depending on how soiled the blades are, the cleaning intervals may deviate from
those stated on the maintenance schedule.
The cooler blades must be cleaned after every 4000 op. hrs/6 months.•
8.7
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