Atlas Copco GA90 Instruction Book page 8

Fig. 1.7 GA90/160 Full-feature
during unloading
1 Air filter
2 Unloader
3 Unloading valve
4 Air cooler
5 Cooling fan
6 Oil coolers
7 Oil filters
8 Chamber, control pressure
9 By-pass opening
10 Blow-off channel
11 Chamber, receiver pressure
12 Valve
13 Shield
14 Compressor element
15 Oil stop valve
16 Check valve
17 Air receiver
18 Oil separator element
19 Minimum pressure valve
20 Check valve
21 Oil scavenging line
22 Safety valve
23 Oil filler plug
24 Oil level indicator
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