Jack (device)

A jack is a tool which is used to a motor vehicle to lift, so that the access for repair and maintenance is ensured. The most common use of the jack for the changing of the wheels ( for example of summer tires to winter tires ).

Jacks are used mostly in the private sector, with breakdowns, as well as in motorsport, in workshops of the wheel change is usually performed on a hoist, working under the vehicle in the service pit.

Embodiments:

• Rack jacks
• Screw jack
• Hydraulic jacks
• Trolley Jack
• Scissors jack ( toggle mechanism, usually with integrated spindle winch)
• Air pillow jack ( = " air jack " )
• Roll lever jack

If a vehicle has been lifted with a jack, you should secure the vehicle in addition, before you get under the car sets ( risk of accident).

Motorsport

In Formula 1 special lifter ( roller lever jack ) are recognized at the pit stop in front and behind. Does the front wing and will be changed with this the car's nose remains no other choice than to raise the nose by hand, so that the vehicle can be further supported at the rear ( the jack blocks the exchange operation ). Back is the subframe of the transmission of the pick-up point.

Touring and DTM cars have often incorporated compressed air temple in the vehicle floor, the lift the car by externally connected printer. In NASCAR racing "normal" jack be used, similar to those found in all the workshops. Here it is usually sufficient to replace the wheels on one side; these jacks are attached to one side.

Legal

In Germany there is no duty carry a jack in the vehicle. In general, subject to the jack Europe Directive 2006/42/EC (Machinery Directive).