Step 4 place the small end of a clean plastic funnel into the oil filler opening hole.
Floor jack oil level.
I could see that the reservoir in my jack was nearly empty which explains its inability to lift a vehicle.
Use the jack handle to turn the valve a half turn in a counterclockwise direction.
If the oil is below this level high quality jack oil must be added.
Look for any oil seepage around this valve.
Sometimes more oil could be the reason for leak down.
You should make sure that your oil is poured to this level.
Hydraulic jack oil 8.
After the rubber plug is removed you ll be able to see the hydraulic oil level.
Put the jack in the down position by opening the release valve the valve that when opened allows oil to flow back into the main oil reservoir located at the bottom of the jack thus lowering the ram piston.
If the problem is not solved after these steps then the pressure valve needed to be repaired.
Every floor jack will have the required level of the hydraulic fluid indicated.
Place your foot on the jack.
Lift the arm and release it slowly it will lead to pushing the air out.
Use a small funnel or a large syringe to slowly add oil to the.
The hydraulic jack oil should be visible 3 16 inch above the inner cylinder wall.
Press the jack downward.
Return the fluid release valve to its original position by turning it a half turn in a clockwise direction.
Slowly pour in oil.
Filling jack oil reservoir.
To fix a floor jack that leaks down firstly check the reservoir from the level of oil in it.
The funnel should prevent any unnecessary spills when refilling the oil.