are damaged, then they should be replaced.
Using belt tension gauge, check the tensile force of the compressor belts.
Model
А75
А90
5.4
Replacing oil and oil filter
Fig. 5.4.1 Oil replacing
Open the left panel and turn the fill plug (2) one revolution in order vent system pressure.
Remove the fill plug.
Remove plug from the drain valve (1) at the bottom of the Air-Oil separation tank.
Drain the oil into a dedicated vessel from the separator tank after opening the drain
valve.
Fill the Air-Oil separation tank with oil until it is level with the middle of the sight glass.
Refit and tighten the drain valve plug and the fill plug.
26
Maximum working
pressure, bar
8
10
13
8
10
13
Tension force F, N
1
2
700
700
900
700
700
700
Version 1.0