To add oil to a hydraulic floor jack start by making sure the jack is completely lowered by turning the jack s release valve counterclockwise until it s as low as it can get.
Adding oil to hydraulic floor jack.
The fairly simple procedure of adding oil to the reservoir when necessary can prevent losses in maximum jack height.
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.
A low hydraulic jack oil reservoir may decrease the maximum available height.
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.
The process involved in adding oil to the craftsman 3 ton hydraulic floor jack also applies to many other models.
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.
Then remove the plug or screw from the oil.
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Place the floor jack on a hard level surface.
You should not even think about it.
These oils lack the viscosity required in a hydraulic jack fluid.
Brake oil has alcohol which can break the seals in the system.