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» Y276710 – (EN - REV. 001) | May 2020
MAINTENANCE
CAUTION
Hot oil!
Danger of burns.
Wear protective gloves to drain off the oil.
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Unscrew the drainage plug B (see 5.1), drain off all the oil.
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Arrange for its disposal in accordance with national regulations.
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Screw in the drainage plug B with a new sealing washer.
Vacuum oil drainage:
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Unscrew the top drainage plug C (see 5.1).
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Use a tube with an external diameter of ø12mm, length 250 mm approx.
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Insert the tube inside the compressor and suck out the oil.
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Arrange for its disposal in accordance with national regulations.
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Screw in the top drainage plug C with a new sealing washer.
Filling oil:
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Top up the oil (see Section 5.1.2).
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Screw in the filling plug A with a new sealing washer.
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To displace air that has accumulated in the oil pipes or oil cooler, run the operational motor/compressor set
long enough to warm up the oil cooler.
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Top up the oil (see Section 5.1.2).
Special tool:
adjustable strap wrench to unscrew oil filters.
Procedure:
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Switch off the motor/compressor set and prevent it from restarting.
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Vent the pneumatic system entirely.
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Discharge any gauge pressure (see 5.1.2).
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Unscrew coalescing filter D (see 5.1 and Fig. 10) using a strap wrench.
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Lubricate the sealing surface of the new oil trap with a thin film of the specified compressor oil. Then install
the new oil trap and screw in tight by hand. Observe the assembly instructions printed on the oil trap!
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Screw in the filling plug A with a new sealing washer.
5.3.2 Exchanging the coalescing filter
WARNING
Possibility of pressure in the compressor housing!
Particles ejected, for instance, will cause severe eye injuries.
Cautiously unscrew the filling plug A (see 5.1).
NOTE
Oil may run out while the filling plug A is being unscrewed.
