Fig. 6 Stepless regulation of FAD (standstill)
3 Inlet valve
4 Airend
5 Oil separator tank
26 Engine speed control cylinder
46 Nozzle
63 Control valve (proportional valve)
52 Control valve
comprising the following components:
23 Proportional controller
27 Venting valve
62 Combined auxiliary valve (directional con‐
trol valve)
4.5 Safety devices
4.5.1 Monitoring functions with shutdown
The following functions are monitored automatically.
■
Engine oil pressure
■ Coolant temperature
■ Airend discharge temperature
■ Engine alternator
The fuel stop device is activated when an alarm occurs. The engine comes to a stop and the
venting valve releases pressure from the machine.
4 Design and Function
4.5 Safety devices
No.: 9_5898 26 E
Operator manual Portable compressor
M 64
45
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