TROUBLESHOOTING
TESTING AND ADJUSTING
5. SHUTOFF SOLENOID PREVENTS ENGINE START
Cause
Correction
Shutoff Solenoid Does Not
Operate correctly
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
ADJUSTING.
6.
MECHANICAL SHUTOFF FAILS TO STOP ENGINE BECAUSE OF LOW OIL PRESSURE
Cause
Correction
Plunger is Held in Normal Run
Disassemble and clean parts. Install new parts if needed.
Position or a Spring is Broken
7.
MECHANICAL SHUTOFF DOES NOT STOP ENGINE WHEN COOLANT TEMPERATURE IS TOO HIGH.
Cause
Correction
Oil Lines Have a Restriction
Clean oil lines, make replacements as necessary.
Control Valve Does Not Work
Clean control valve, make replacement if necessary.
Correctly
Defect In Oil Pressure Shutoff
Clean oil pressure shutoff. Install new parts if necessary.
8. MECHANICAL SHUTOFF WILL NOT LET ENGINE START
Cause
Correction
Control Has Not Been Set for
Set the control for start.
Start
Spring is Broken
Install new spring.
High Water Temperature
Let engine cool.
9. ELECTRICAL GAUGES GIVE WRONG READINGS
Cause
Correction
Wrong Connections
Check wiring connections to be sure they are correct.
Sending Units Have a Failure
Check the sending units and install new ones if
necessary.
Resistor in 32 Volt Systems Has a
Install a new resistor.
Failure
Wrong Sending Unit in System
Install correct sending unit.
Wrong Gauge
Install correct gauge.
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