Figure 2-8. Safety Devices
Safety Devices. (Refer to Figure 2-8).
High Oil-Temperature Shutdown Switch (1). Shuts unit down when oil pressure reaches unsafe limits
Low Oil-Pressure Shutdown Switch (2). Shuts unit down when oil pressure reaches unusable limits.
Figure 2-9. Automatic Idle Control
Diesel Engine. (Refer to Figure 2-9).
Auto Idle (1). Reduces engine speed to recommended idle speed during compressor unload period.
Manual Override Valve (2). Disables the idle device so that the engine doesn't go into the idle mode. Keeps
engine operating at proper RPMs.
Clutch Engagement Control (3). Used to engage/disengage clutch to set air pump in motion.