For compressors equipped with an Elektronikon® regulator, see section Service warning.
For compressors equipped with an Elektronikon® Graphic regulator, see section Service menu.
8.3 Oil and oil filter change
Warning
The operator must apply all relevant Safety precautions.
Procedure
Oil system components of GA 15 up to GA 22
1. Run the compressor until warm. Stop the compressor. Close the air outlet valve and switch off the voltage.
Depressurise the compressor by opening manual drain valve(s) (Dm, Dm1). Wait a few minutes and
depressurise the air receiver/oil (AR) tank by unscrewing oil filler plug (FC) just one turn to permit any
pressure in the system to escape.
2. Remove oil drain plug (DP1) and drain the oil by opening valve (Vd). Also remove the drain plug on
flexible (1) near the element outlet. To drain the oil in the oil cooler, remove the vent plug on the oil cooler.
As an alternative, it is also possible to loosen the flexible hoses to the oil cooler to allow air to enter the
cooler. Close the drain valve (Vd) and fit the plugs after draining.
3. Collect the oil and deliver it to the local collection service. Refit and tighten the drain and vent plugs after
draining.
Re-tighten the top connection of the oil cooler.
4. Remove the oil filter (OF). Clean the seat on the manifold. Oil the gasket of the new filter and screw it
into place. Tighten firmly by hand.
5. Remove filler plug (FC).
Insert an elbow coupling in the filler plug (FC) for easy filling. Fill the oil tank (OT) with oil until the
level reaches the middle of sight-glass (Gl).
Instruction book
2920 7083 31 137
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