CONTROL PANEL (TYPE 4)
SYSTEMS OPERATION
Engine Starts
At 600 rpm, crank terminate switch (CTS) closes. Oil pressure
increases. This activates oil pressure switch (OPS). The normally
closed contact opens and the normally open contact closes. The arming
relay (AR) is now connected across battery voltage. Contacts (AR1)
close and lock in the arming relay. Contacts (AR2) open. This de-
energizes magnetic switch (MS). (MS) contacts open to de-energize
pinion solenoid (PS). (PS) contacts open to deenergize starting motor.
Contacts (AR3) open to de-energize overcrank timer (OCT).
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