SHUTOFF AND ALARM SYSTEMS
SYSTEMS OPERATION
WATER TEMPERATURE, OIL PRESSURE
AND MECHANICAL OVERSPEED SHUTOFF
SYSTEM
WIRING SCHEMATIC
(Typical Example)
1. Oil pressure switch (switch with manual override shown). 2. Water temperature contactor. 3. Oil pressure (time
delay) or fuel pressure switch. 4. Overspeed switch. 5. Shutoff solenoid. 6. Diode assembly. 7. Terminal block. 8.
Starter. 9. Battery.
The shutoff solenoid can be activated by oil pressure switch (I), water temperature contactor (2) or overspeed switch
(4). See WATER TEMPERATURE AND OIL PRESSURE SHUTOFF SYSTEM and MECHANICAL OVERSPEED
SHUTOFF SYSTEM
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