Product Brochure

HD-7P / HD-7W Four-Post Lifts 48 P/N 5900041 — Rev. M — July 2019
Filling the Hydraulic Fluid Reservoir
The Hydraulic Fluid reservoir on the Power Unit must be filled with Hydraulic Fluid or automatic
transmission fluid before you begin normal operation of the Lift.
When you receive the Lift, the
fluid reservoir is empty.
The Power Unit will not work correctly until it is filled with approved
Hydraulic Fluid.
Approved fluids are any general purpose ISO-32, ISO-46, or ISO-68 hydraulic fluid, approved
automatic transmission fluids such as Dexron III, Dexron VI, Mercon V, Mercon LV, or any synthetic
multi-Vehicle automatic transmission fluid.
⚠ WARNING Do not run your Power Unit without Hydraulic Fluid; you will damage it.
Even though you are not connecting the Power Unit at this point, you can fill the Hydraulic Fluid
Reservoir with fluid.
To fill the Reservoir with Hydraulic Fluid:
1. Remove the Reservoir Cap and set it aside.
Make sure to keep the Reservoir Cap clean; you do not want any contaminants getting into the
Hydraulic Fluid Reservoir.
2. Fill the Hydraulic Fluid Reservoir on the Power Unit with the appropriate amount of approved fluids.
The Hydraulic Reservoir holds from 3.5 to 4.5 gallons, depending on your Power Unit:
– 5585280: 3.7 gallons / 14 liters
– 5585181: 4.5 gallons / 17 liters
– 5585178: 3.5 gallons / 13.25 liters
– 5585182: 4.5 gallons / 17 liters
– 5585247: 3.7 gallons / 14 liters
Use care to keep the fluid clean when filling the reservoir.
Approved fluids are any general purpose ISO-32, ISO-46, or ISO-68 hydraulic fluid or approved
automatic transmission fluids such as Dexron III, Dexron VI, Mercon V, Mercon LV, or any synthetic
multi-Vehicle automatic transmission fluid.
Do not connect the Power Unit to a power source at this point.
3. Replace the Reservoir Cap.