SHUTOFF AND ALARM SYSTEMS
1. Oil pressure switch. 2 Water temperature contactor. 3 Source voltage. 4. Toggle switch (optional). . Alarm. 7.
Air temperature contactor.
If the oil pressure is too low or the water temperature
is too high this system will activate alarm (5).
immediately. This will help prevent damage to the
engine from heat or not enough lubrication. Find and
correct the problem that caused the alarm to
Before the engine is started it will be necessary to
override oil pressure switch (I) or the alarm will activate.
This is done by either a manual override button on the
(earlier) oil pressure switch or toggle switch (4). Oil
pressure will return the manual override button to the run
position. The toggle switch must be manually closed
when the engine has oil pressure.