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What size Air Jack do I need?	It depends on two factors - the laden weight of the vehicle and the height of the lifting point when raised sufficiently to lift the wheels off the ground. Choose a Jack that is rated at at least 60% of the laden weight of the vehicle. Then ensure that the maximum inflated height will be sufficient to lift the body or chassis of your vehicle so that the wheels are at least one inch clear of the ground. Remember that some 4X4s have a great deal of axle articulation.
How is the Jack inflated?	The standard Air Jack is inflated by means of the vehicle's exhaust gases. This is not dangerous, and, because all our jacks are designed to work at a pressure of no more than 10 psi (0.7 Bar), the engine will not stall. Provided your exhaust system is in good condition, then it will handle this low pressure. If the exhaust is badly rusted, then even low pressure could cause it to develop a hole. But then so could a hard bump while driving! If the exhaust system is badly fitted then you could discover leaks at joints. We have come across brand new exhaust systems that have been poorly assembled allowing gas leakage. A non-return valve in the bag connection maintains pressure if the cone is removed from the tailpipe.
How is the Jack deflated?	The connector attached to the bag is turned slowly counter-clockwise, allowing gas to escape in a controlled manner.
What if I have twin exhausts?	If the twin exhausts are twinned after the rest of the exhaust system is "siamesed", then you can use the accessory "Blocking Cone" to block one of them off while inflating from the other. If each of the two tailpipes comes from a separate manifold (some V8 and V12s) then you can use just one of the tailpipes without blocking the other. If such systems have a balancer pipe between them then you will still need to use a blocking cone.
When I remove the cone, the Jack deflates. Why?	The most likely cause (assuming that the tube is properly connected to the bag) is that the non-return valve flap has become detached from the inside of the valve. This can sometimes happen when using the bag with very large engines - particularly diesels - or if you rev the engine to speed up inflation. Disconnect the valve from the bag and inspect the end. If you can see the flap support web (which is normally covered by the rubber flap) then the flap has come off. It will, of course, be inside the bag, together with its retaining pin! By shaking the bag vigorously, they can usually be persuaded to come out. The valve can then be reassembled. Ensure that the rubber flap is correctly and fully seated before pushing the retaining pin into place.
How stable is the Air Jack?	It is very bad practice to rely on any kind of jack to provide stability. Any object being lifted must be secured so that it cannot move laterally. In the case of a vehicle, always securely chock the wheels before jacking.
Is it possible to over-inflate the Air Jack?	Because the connection to the exhaust system is made by means of a rubber cone (which you will generally have to hold in place while inflating) it will usually be found to be very difficult to hold it in place after the maximum working pressure is reached. We strongly advise against clipping the cone onto the tailpipe, as this could make over-inflation a possibility. In the event of the pressure exceeding a certain level, the inflation tube will normally burst before the air bag. The non-return valve will prevent deflation of the bag in these circumstances, but the sound of a bursting tube is very loud indeed!
How strong is the Air Bag?	The materials we use are very strong. We often demonstrate the strength by deliberately puncturing the bag with a knife while it is under full load. Watchers retreat rapidly but on their return they notice that the bag is deflating very slowly through the hole. The strength of the fabric means that it does not burst under pressure, thereby preventing catastrophic deflation. Some manufacturers rely on plastic mats provided to protect against puncturing - usually because the material used to make the bag is not of equal strength to ours. The danger here is that the side of the bag may be punctured by a sharp protrusion.
What if the air bag is punctured?	It will not explode, but will deflate fairly slowly. It is assumed that users follow our advice and do not place any part of their body under the vehicle until it is secured with suitable axle stands. The act of changing a wheel should not involve getting under the vehicle. The punctured air bag may be repaired very simply and quickly with one of the patches supplied, using "Super Glue" (cyanoacrylate adhesive).
How long will the Air Jack last?	Depending on the frequency of uses, the life of an Air Jack varies from one year to 15 years. Following the user instruction and using carefully, many of our customers have owned their jacks for 15 years with no deterioration.
Is the Air Bag heatproof?	Most definitely not! Never allow it to come into direct contact with the hot exhaust system or it will melt the PVC coating and possibly severely damage the fabric.
If you have further questions, just email us. We will try to answer your questions swiftly.

Titan Exhaust Air Jack 2007 | Website: 1M Vision |