Jack mounting and jack adapters. The pictures below feature a Tronair jack, jacks of lesser quality may not have the feature of one inch mounting. For alternate mounting see the pictures lower on the page using our "over the top" adapter.
Remove the jack cup from the top of the jack ram
Note the one inch hole in the top of the jack ram.
One inch studs are supplied with all our kits, this is the preferred mounting method
Screw the stud into the bottom of the transducer load cell, make sure the stud threads all the way into the cell with no "air gap" between the cell and the stud.
The cell is now mounted, make sure that there are no "air gaps" between the cell and the top of the jack ram while jacking and under load.
If your jack does not have the one inch hole or removable cup, check the bottom side of the ram for the hole. Pull the ram tube out of the threaded cylinder and check, some jacks will have the hole on the bottom.
Here is our adapter located on top of the jack ram, always count the threads on each bolt to ensure centering. Faliure to properly center the adapter will result in injury or damage as the cell can be forced off center of the ram. Only qualified and trained personnel shall use our adapters.
Once the adapter is secured and torqued to 100 in/lbs the cell can be installed in the one inch hole using the existing mounting stud supplied with our kits.
Over the top of the ram adapters. Some jacks do not have the one inch hole mounting, if not and you can not machine a hole in your ram you will have to use an "Over the Top" adapter. These adapters are not included with our kits and are available as an option.
Myers jacks do not have the one inch hole, here is shown a standard Myers with jack point dimple. Note the welded area, other lower quality or older kits will have an adapter as shown below that will not properly grip this jack ram.
JAWS adapter, this is our 5.0 adapter for the larger tube Myers jacks, we also have a 3.5 inch version for the smaller jack tubes
Here is our small format cell fitting into the adapter one inch hole on top of a Myer jack, this is a 25,000 lb load cell used for medium service in our M2000-3-25CS kit
Load cell fully fitted on top of the Myer large jack ram tube.
Here is a 1.5 inch ball in the top adapter cup, we manufacture several sizes of cups for several applications
Here is the same ball in our new dual radius cell top cup, this is used for larger jack points but has an inside radius that will capture smaller one inch jack points.
Note how thick our adapters are, they also will fit small and large rams and have 6 set screws to hold them in place.
Machined from 4140 steel, the adapter series are avaialble in a 3.5 inch and 5 inch size. Shown here is the 5 inch on top of a Myers jack. Myers jacks do not have the one inch mounting hole for load cells, but that is not an issue with our kit adapters.
Warning: The use of over the top adapter can be dangerous, only trained and qualified personnel should attempt to use this type of adapter. This type of adapter requires extreme attention to detail, centering and placement as well as monitoring the cell and adapter for movement. Failure to properly mount and use this adapter will result in damage to the aircraft or injury to personnel.
Shown here, find our small 25K cell with our 3.5 inch adapter for "over the top" mounting
There are two sizes of adapters that fit the cells, our 3.5 inch adapter fits our small cells 50K and below. Our large adapters fit our large cells up to 100K. Some jacks, like a Meyer may have a very large lifting cylinder, our large adapters will fit and can be used with our small cells. We also custom manufacture adapters for all types of jacks.
Here is a picture of a competitors adapter, be very careful if you use this type. Note that it barely holds onto the top of the jack and uses small set screws. If you are using this type of adapter always monitor it for movement during use.
Here is another popular kits adapter, note it is not steel and has the same shallow grip range on the top of the jack ram. Always check for striped threads and damage on this type before use.
High and tall cup for fit on aircraft with tight fuselage skin to cell clearance.
Large cup for large jack points using the small profile load cell
Dual radius cup verses the large size cup. No matter what your need is, we can adapt our units to fit your need. We are working with several OEM factory personnel and supply several customer spec adapters. Unlike the others, we do custom manufacture and calirated to your specifications.
If you need adapters for your application just email or call us 561-281-6179
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