- Fuel Filter Relief Valve: This valve is located on the fuel filter housing and helps prevent excessive fuel pressure from building up in the fuel system.
- Hydraulic Pump Relief Valve: This valve is typically mounted on the hydraulic pump and regulates the hydraulic pressure to prevent damage to the hydraulic components.
- Engine Oil Pressure Relief Valve: This valve is located on the engine block and limits the oil pressure in the engine lubrication system.
- Coolant Pressure Relief Valve: This valve is located on the coolant system and protects the cooling system from excessive pressure.
- Air Compressor Pressure Relief Valve: If equipped with an air compressor, this valve regulates the air pressure in the air brake system.
It's important to note that the exact location of these relief valves may vary slightly depending on the specific model and year of the Cummins N14 engine. If you need to access or service any of these relief valves, refer to the engine's service manual for the exact location and procedure.