CONSTRUCTION
A relief valve is provided on the oil pump relief valve housing assembly for the piston jet control system.
By opening and closing the relief valve, engine oil to the piston jet (No. 1 oil nozzle sub-assembly) is supplied and stopped.
| *1 | Oil Pump Relief Valve Housing Assembly | *2 | Oil Pressure Switching Valve Assembly |
| *3 | Relief Valve | - | - |