What is aircraft jack?
Aircraft jacks are a fundamental piece of ground support equipment used when making repairs. There are four types of hydraulic aircraft jacks — bipod, tripod, quadrupod, and axle — which each have their own benefits. However, tripod and axle jacks are by far the most common.
What is the type of jack used for aircraft jacking?
Sandbags are usually used for this purpose. Tripod jacks similar to the one shown in figure 11-38 are used when the complete aircraft is to be jacked. A small single base jack similar to the one shown in figure 11-39 is used when only one wheel is to be raised.
What two types of jacks are used to lift an aircraft?
Two of the most common types of aircraft jacks used in the industry are axle jacks and tripod jacks.
What is tripod jack?
The Malabar Model 12314S Fixed Height Tripod Jack is a 12 ton capacity, three stage hydraulic jack designed primarily for use in aircraft maintenance.
How much does a aircraft jack weigh?
Weight: 66 lbs. (30 kg)
Why do airplanes have audio jacks?
Protects Against Headphone Theft One reason commercial airplanes use two-pronged jacks is because it deters passengers from stealing their headphones. Commercial airplanes typically rent out headphones to passengers. If a passenger wants to watch a movie, for instance, he or she can rent a pair of headphones.
How do you use an aircraft jack?
Make sure the hand wheel safety nut(s) is fully seated on the jack pad after raising it. Always raise and lower the aircraft jack simultaneously, so the aircraft remains level and secure at all times. Always use an aircraft tail stand or nose stand, when applicable, for additional stability.
What is the most important consideration when jacking an aircraft?
Always raise and lower the aircraft jack simultaneously, so the aircraft remains level and secure at all times. Always use an aircraft tail stand or nose stand, when applicable, for additional stability. As with all aircraft maintenance procedures, always wear safety glasses when performing safe jacking techniques.
What are balancing equipment in aircraft?
Scales, hoisting equipment, jacks, and leveling equipment. Blocks, chocks, or sandbags for holding the airplane on the scales. Straightedge, spirit level, plumb bobs, chalk line, and a measuring tape. Applicable Aircraft Specifications and weight and balance computation forms.
Why do airplanes have two jacks?
What is jack used for?
A jack is a mechanical lifting device used to apply great forces or lift heavy loads. A mechanical jack employs a screw thread for lifting heavy equipment. A hydraulic jack uses hydraulic power. The most common form is a car jack, floor jack or garage jack, which lifts vehicles so that maintenance can be performed.
What does the jack represent?
The usual rank of a jack is between the ten and the queen. As the lowest face (or “court”) card, the jack often represents a minimum standard — for example, many poker games require a minimum hand of a pair of jacks (“jacks or better”) in order to open wagering.
What situations may lead to unsafe conditions when jacking an aircraft?
Misalignment is the most common reason for accidents during the jacking of an aircraft. The head of the jack should be in full contact with the jacking pad to ensure proper distribution.