SHUTOFF AND ALARM SYSTEMS
1. Oil pressure switch. 2 Water temperature contactor. 3. Source voltage. 4. Toggle switch (optional). S. Alarm. 6.
If the oil pressure is too low or the water temperature
is too high this system will activate alarm (5) and signal
When the alarm and signal lights activate stop the
engine immediately. This will help prevent damage
to the engine from heat or not enough lubrication.
Find and correct the problem that caused the alarm
and signal lights to activate.
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 manuallv closed
when the engine has oil pressure.