Hydraulic Pump Motor
Hydraulic Pump Motor
Injury risk.
• There must be no pressure inside the hydraulic system when performing the following work.
Removing
- Remove hydraulic pump. Refer to => [ Hydraulic Pump ] Hydraulic Pump.
• Before removing, place a cloth or a collector tray under the pump to catch any hydraulic fluid that may leak out.
- Open and close the fluid filler plug one time to equalize the pressure.
- Hold the pump and the motor vertically for a few minutes to drain out all the hydraulic fluid into the fluid reservoir.
- Remove the bolts - arrows -.
- Remove the motor - 1 - by lightly turning it off of the valve block - 2 -.
Installation
• Tightening specifications, refer to => [ Motor Overview and Hydraulic Pump Fluid Reservoir ] Motor Overview and Hydraulic Pump Fluid Reservoir.
Install in reverse order of removal. Note the following:
• Replace the O-ring.
- Install the new O-ring onto the valve block.
- Attach the motor to the valve block.
• Align the shaft - 1 - in accordance with the opening in the yoke - 2 - as shown in the illustration.
- Install the motor by lightly turning it onto the valve block.
- Install hydraulic pump. Refer to => [ Hydraulic Pump ] Hydraulic Pump.
- Check the fluid level and fill with fluid if necessary. Refer to => [ Hydraulic System, Filling and Bleeding ] Hydraulic System, Filling and Bleeding.