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BJ5-620 Operation 29 of 73
Hydraulic Set-up
1. Connect hydraulic pipes to the machine—make sure the upper hydraulic pipe is
connected to the upper pipe at the machine.
2. Connect the wires for the motor and magnetic valves.
3. Fill the oil tank with hydraulic oil No. 46 or No. 32 until the maximum is reached and
mark the level indicated by the gauge.
4. Run motor to see whether the running direction is correct (facing the motor blade, the
motor should run clockwise); if the direction is not correct, change the position of 2
of the 3 electrical wires.
5. Run motor; operate the magnetic valve to check the function and wiring connections.
6. With the magnetic valve (11-YA1) current switch on, set the sequence valve (9)
pressure to 30 bar.
7. With the magnetic valves (11-YA2 and 24-YA6) current switches on, set the
spillover valve (8) pressure to 110 bar.
NOTE: Refer to the corresponding drawing on the next page; refer to Chapter 6 for
Hydraulic troubleshooting.