SCHEMATIC NO. 18 (LOW OIL PRESSURE OR HIGH COOLANT TEMPERAFAULT)

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LOW OIL PRESSURE OR HIGH COOLANT TEMPERATURE FAULT

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TM-5-2815-232-14 Engine Diesel Caterpillar Model 3508 Manual

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REMOTE NORMAL SHUTOFF

HYDRAMECHANICAL PROTECTIVE SYSTEM

SYSTEMS OPERATION

SCHEMATIC NO. 18 (LOW OIL PRESSURE OR HIGH COOLANT TEMPERAFAULT)

(High Speed Range)

3. Selector valve. 5. Speed sensing valve spool. 8. Low speed oil protection valve. 9. High speed oil protection

valve. 10. Oil pump. 13. Oil pressure switch. 14. Orifice. 21. Thermostatic pilot valve. 23. Pilot operated two-

way valve.

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