Step 2 – Next you will want to remove the oil filler plug. Turning the release valve will lower the lift arm of the jack, keep the valve open, allowing the arm to drop to its lowest position before moving on to the next step. Newer garage jacks actually have the release valve built into the base of the handle fitting, for these jacks you simply turn the handle counter-clockwise to release the valve.Ĭheck your owner’s manual to determine where your release valve is located on your particular service jack. Pictured below you can see the release valve usually comes in two variety’s one with a flat head screwdriver fitting the other with a fitting that employs placing the handle over it and turning counter clockwise. Step 1 – The first thing you will need to is loosen the Jacks release valve. Looking for how to bleed a floor jack? read our guide here How to fill a floor Jack – The 6 steps The below steps will quickly and easily show you how to refill a floor jack. If you notice any excess fluid on or around the Jack you should check and top up the fluid level if required.

You should check your fluid level at least once every 12 months, more often if you use the jack frequently (like in a workshop situation). How to fill a floor Jack – If you own and use a hydraulic floor jack, you will want to ensure you keep the the hydraulic fluid level at full for proper and safe operation.

Blackjack 3 ton floor jack manual