Check the weight of the vehicle and compare it against the floor jack s lifting capacity.
How to test a floor jack.
Comprised of a system of light springs or weights and balls the check valve directs the flow of fluid.
The objective is to ensure that it is rising holding and releasing normally.
Some floor jack units come with an overload or safety valve.
Adjust the screw jack up or down to achieve a level surface.
Adjust the screw jack so that the top and bottom plates are flush to the wood surfaces above and below.
In this video i show you how to fix a few common problems with your hydraulic floor jack.
Lower the hydraulic jack to transfer the floor load to the new screw jack.
Before starting to jack up the car you should test the floor jack using your hands.
They are easy to repair and it can save you 150 200.
Normally a 2 3 ton capacity jack can lift passenger vehicles and light duty trucks.
Simply take off the fill plug and check the chamber for the oil level.
This is not something that you can test with a load.
Step 6 test.
Checking the fluid level on a jack is quite simple.
Floor jack block cutaway view the check valve is usually located between the pump piston and the release valve.
Axle weights can be found on a sticker in the driver s side door jamb.
If the balls in the check valve do not seat properly fluid will flow improperly or leak causing the floor jack to fail.
Test run the floor jack.
How to check the fluid level on a jack.
Drive 16 penny nails through the holes in the plates and into the wood framing.
You should not have any other problems once the fluid has been replaced but to make sure you should test the floor jack several times before putting any considerable weight on it.
This allows you to check if it is engaging and disengaging as required.
Remember that you re only lifting one axle at a time with a hydraulic floor jack so combining the front and rear axle weights is not necessary.
Different jacks may work differently so make sure to check the specs in the owner s manual.