Do you know how to replace the 400W DC pump of the fiber laser chiller CWFL-3000? TEYU S&A chiller manufacturer's professional service team specially made a small video to teach you to replace the DC pump of laser chiller CWFL-3000 step by step, come and learn together~First, disconnect the power supply. Drain the water from inside the machine. Remove the dust filters located on both sides of the machine. Accurately locate the connection line of the water pump. Unplug the connector. Identify the 2 water pipes that are connected to the pump. Using pliers to cut off the hose clamps from the 3 water pipes. Carefully detach the inlet and outlet pipes of the pump. Use a wrench to remove the 4 fixing screws of the pump. Prepare the new pump and remove the 2 rubber sleeves. Manually install the new pump using the 4 fixing screws. Tighten the screws in the correct sequence using the wrench. Attach the 2 water pipes using the 3 hose clamps. Reconnect the connection line of the water pump...