TESTING AND ADJUSTING
5. SHUTOFF SOLENOID PREVENTS ENGINE START
Shutoff Solenoid Does Not
Activate to shutoff or activate to run type: Operate the
control for the shutoff solenoid. Listen for a noise. A
shutoff solenoid makes noise when it works. If it makes
noise but the engine still does not start, remove the
shutoff solenoid. Try to start the engine. If the engine
starts, the shutoff solenoid is either not installed correctly
or it is bad. Make reference to TESTING AND
MECHANICAL SHUTOFF FAILS TO STOP ENGINE BECAUSE OF LOW OIL PRESSURE
Plunger is Held in Normal Run
Disassemble and clean parts. Install new parts if needed.
Position or a Spring is Broken
MECHANICAL SHUTOFF DOES NOT STOP ENGINE WHEN COOLANT TEMPERATURE IS TOO HIGH.
Oil Lines Have a Restriction
Clean oil lines, make replacements as necessary.
Control Valve Does Not Work
Clean control valve, make replacement if necessary.
Defect In Oil Pressure Shutoff
Clean oil pressure shutoff. Install new parts if necessary.
8. MECHANICAL SHUTOFF WILL NOT LET ENGINE START
Control Has Not Been Set for
Set the control for start.
Spring is Broken
Install new spring.
High Water Temperature
Let engine cool.
9. ELECTRICAL GAUGES GIVE WRONG READINGS
Check wiring connections to be sure they are correct.
Sending Units Have a Failure
Check the sending units and install new ones if
Resistor in 32 Volt Systems Has a
Install a new resistor.
Wrong Sending Unit in System
Install correct sending unit.
Install correct gauge.