System Bleeding
Material
| Item | Specification |
|---|---|
| MERCON® Multi-Purpose Automatic Transmission Fluid XT-2-QDX (US); XT-2-LM12 (Canada) |
MERCON® |
- Remove the hydraulic system from the vehicle. For additional information, refer to Hydraulic System, Lift Cylinder and Motor .
- Remove the fill plug at the end of the hydraulic pump.
- Elevate the pump and motor assembly above the hydraulic lift cylinders.
- Locate the hydraulic pump bypass button.
- With the hydraulic lift cylinders fully retracted, fill the pump with automatic transmission fluid to the bottom of the fill hole and install the fill plug.
- With the hydraulic lift cylinder rod eyes up and the hydraulic pump bypass button pressed, connect a 12-volt power source to the motor connector and operate the motor until the cylinders are fully extended.
- With the hydraulic lift cylinder rod eyes down and the hydraulic pump bypass button pressed, reverse the 12-volt connection and operate the motor until the cylinders are fully retracted.
- Repeat Steps 5 through 7 three times, ending with the hydraulic lift cylinders retracted.
- Remove the fill plug and check the fluid level. If necessary, add automatic transmission fluid to the bottom of the fill hole.
- Install the fill plug.
- Install the hydraulic system in the vehicle. For additional information, refer to Hydraulic System, Lift Cylinder and Motor .
NOTE:
The hydraulic pump bypass button needs to be pressed while the bleeding procedure is carried out.
NOTE:
Make sure the motor/pump is above the hydraulic lift cylinders before operating the motor/pump.
NOTE:
Some noise squeal may be noticed due to the air in the hydraulic system.