24232-ZW1-003 Honda CAM, SHIFT (Honda Code 4856837).

If no oil pressure is indicated, STOP the engine. The engine will be damaged from operating without oil pressure.
Engine Oil Pressure - This gauge indicates the pressure of the engine oil. The pressure will be highest after a cold engine is started. The pressure will decrease as the engine warms up. The pressure will increase when the engine rpm is increased. The pressure will stabilize when the engine rpm is stable.
Oil Filter Differential Pressure - This gauge indicates the difference in pressure between the inlet side and the outlet side of the engine oil filters. As the oil filter elements become plugged, the pressure will increase. Replace the engine oil filter elements when the oil filter differential pressure reaches 103 kPa (15 psi).
Engine Oil Temperature - This gauge indicates the engine oil temperature after the oil has passed through the oil cooler. The oil cooler is thermostatically controlled. The oil temperature is controlled by an 85 °C (185 °F) temperature regulator that is in contact with the oil. The pump for the aftercooler and the oil cooler pumps coolant for the engine oil.
Crankcase Pressure - This gauge indicates the pressure that is inside the crankcase. Changes in the pressure may indicate problems with the following components: crankcase breathers, pistons, piston rings and cylinder liners.
Aftercooler and Oil Cooler Water Temperature - This gauge indicates the temperature of the coolant at the inlet to the aftercooler and oil cooler circuit. The water temperature is regulated by water temperature regulators. If the cooling system cannot remove enough heat from the water, then the engine cannot be cooled properly. An oil temperature that exceeds the normal oil temperature may indicate that a problem has occurred in the lubrication system and/or the cooling system. Those problems may involve the following components: water temperature regulators, oil coolers, cylinder heads, cylinder liners, pistons and bearings.
Jacket Water Coolant Temperature - This gauge indicates the temperature of the engine coolant at the outlet for the jacket water. The temperature may vary according to the load. The temperature should never be allowed to exceed the boiling temperature of the pressurized cooling system. The jacket water coolant temperature is regulated to a temperature of 90 °C (194 °F) at the inlet for the jacket water.If the engine is operating above the normal temperature range, perform the following procedure:
Reduce the load and/or the engine rpm.
Inspect the cooling system for leaks.
Determine if the engine must be shut down immediately or if the engine can be cooled by reducing the load and/or the rpm.
Inlet Manifold Air Temperature - This gauge indicates the inlet manifold air temperature after the aftercooler. As the inlet air increases in temperature the following conditions occur: expansion of the air, less oxygen in the cylinders and less power. If the temperature of the inlet air is too high during full speed and load operation, the engine may consume excessive fuel.
Inlet Manifold Air Pressure - This gauge indicates the air pressure (turbocharger boost pressure) in the air inlet manifold after the aftercooler. The pressure depends on the engine rating, the load, and the operating conditions. To establish the normal inlet manifold air pressure, compare the data from the gauge to the data from the engine commissioning and look for trends.
Air Restriction - This gauge indicates the difference in air pressure between the inlet side and the engine side of the air filter element. The air restriction is measured at the air inlet to the turbocharger. As the air filter element becomes plugged, the difference in pressure between the two sides of the air cleaner element will increase. For optimum engine performance, clean the elements or replace the elements when the air restriction reaches 2.5 kPa (10 inches of H2O). Maximum air restriction is 3.7 kPa (15 inches of H2O).
Turbocharger Exhaust Inlet Temperature - This gauge indicates the temperature of the exhaust gas at the inlet of the turbocharger.
Exhaust Port Temperature - This gauge indicates the temperature of the exhaust gas from each individual cylinder. The temperature is measured at the exhaust port of each cylinder head. The exhaust temperature will vary slightly between the cylinders. Individual cylinder exhaust temperatures should not vary by more than 50 °C (122 °F) from the average of all of the cylinder exhaust temperatures.
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