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Instructions for an Air Bumper Jack

A bumper jack raises a vehicle in either the front or rear to gain access to the parts underneath for repairs. An air bumper jack is a bottle design that uses air pressure to raise and lower the jack. In the manual mode, you pump the handle up and down to add air pressure inside the jack and extend the saddle upwards to raise it. An air compressor connects to the bottle jack to use for raising the jack automatically instead of pumping the handle up and down.

Instructions

1

Park the vehicle on a flat surface and engage the emergency brake. Place a wheel chock or brick in front of each front wheel if you are jacking the back up. Place a wheel chock or brick behind each rear wheel if you are jacking up the front of a vehicle.

2

Insert one of the two handle pieces that are smooth on both ends into the other. Press the spring pin in one, insert the other and align the pin with the hole in the second piece. The pin will pop out and hold it in position in the hole in the handle. Attach the third handle piece to the bottom of the first two pieces in the same manner. The bottom handle piece has a U-shaped fitting on the bottom end.

3

Insert the bottom of the handle into the release valve on the bottom of the air bottle jack. Turn the handle clockwise as far as it will turn to close the release valve.

4

Turn on an air compressor and let it power up until it cycles off. Attach the air compressor hose to the air compressor by pulling the quick connector ring back, inserting it onto the fitting and releasing the quick connector. Attach the other end of the air compressor hose on the air control valve on the front side of the bottle jack in the same manner.

5

Push the bottle jack with the handle to position it under the vehicle bumper where it attached to the frame while allowing access to the air control valve. The air control valve is above the air compressor hose fitting on the jack. Place a piece of wood or two-by-four board on the round saddle of the bottle jack top.

6

Grasp and squeeze the air control valve to add air to the jack and raise the saddle under the vehicle. Release the air control valve when the vehicle is high enough off the ground.

7

Place a jack stand under the vehicle to support it. Turn the jack handle counterclockwise in the release valve slowly to lower the jack. Pull the jack out from under the vehicle.