1, Check spare parts list and excavator condition
2, Refit hydraulic control to electronic control via hydraulic breaker pipeline
1, Remove the plate under the cab.
3, Connect the 3 pipes of pilot foot valve to pilot valve.
2, Install pilot valve in a suitable position
4, Install pilot valve circuit
3, Replace the joysticks and install the circuit
1, Replace the left and right joysticks.
3, Connect power line.
2, Connect joysticks circuits.
4, Connect to control box
4, Install the circuit and oil pipes along the boom and arm
1, Install circuit along the boom and arm
3, Connect grapple to breaker pipe lines
5, Chect circuit
2, Fix the circuit on the iron
4, Connect grapple to circuit
6, Quick coupler connecting
5, Test and adjust pipes if necessary
1, Tighten hydraulic pipes
3, Unload pilot valve dam-board
2, Fix pipes
4, Test the grab