Note: Keep the engine running at low speed before the engine oil pressure indicator goes off. If the indicator does not go off within 10 seconds, stop the engine and find out the cause before starting again. Failure to eliminate the fault will cause engine damage.
Note: Before the hydraulic operating device, the handle of the hydraulic locking device must be in the unlocked (UNLOCKED) position.
1. Run for at least 5 minutes at low idle speed to allow the engine to warm up to engage and disengage the joystick controller. To accelerate the warm-up of hydraulic components. When warming up the excavator at idle speed, please observe the following recommendations: Turn the engine speed knob to medium engine speed. Run the engine for approximately 5 minutes to move the joystick intermittently.
3. Turn the engine speed knob to the maximum engine speed and repeat step 2.
4. Cyclic operation of all joysticks, so that hot hydraulic oil flows into each hydraulic cylinder and hydraulic oil circuit
5. Pay attention to the watch and indicator lights at any time during operation.
Carter 325 excavator fuel tank closing and emission control device fuel drain valve is located below the main hydraulic pump. Fuel tank closing is located below the fuel tank.
Fuel tank drain valve → Turn the fuel drain valve counterclockwise to drain water and sediment in the fuel tank. Turn the fuel drain valve clockwise to close the fuel drain valve.
Fuel tank shut-off valve → Turn the fuel shut-off valve clockwise to cut off the fuel supply. Turn the fuel shutoff valve counterclockwise to switch on the fuel supply.
Note: More detailed information on the discharge of water and sediment from the fuel tank.
The above is the Caterpillar 325 excavator engine and excavator preheating of the Caterpillar excavator maintenance master.
