Forum: F-16 Armament & Stores

What happens when you run a missile launcher or missile interface check on the station in question with the -501 tester?

ViperDude

F-16.net Sponsor

There are grounding points on each [Link pending approval] i think you have to look and measure the grounding points each matrixes [Link pending approval] must be a corrosion preventing station 1/2 or 8/9 matrixes getting [Link pending approval] luck!..

The video tests appear to require a service person in the cockpit to confirm the test pattern. The early versions appear to have all been black & white. I've not been able to locate the documentation on when the systems were upgraded to color displays. I believe it was part of the Mid Life [Link pending approval] but we've had difficulty obtaining these specifications from LM. Any suggestions?

What distinguished the 501 separate from the MBFI? The 501 specifications call for the AMUX & WMux bus tests separately in great detail. Was the MBFI a GD/LM product or did someone else build it? Does the MBFI test AMUX as well as WMUX bus subsystems? There was also a sister product of the [Link pending approval] called the 500 [Link pending approval] what was its purpose in life? Was it a subset of the 501 tester?

Regards,

Edwin Bland,
Fort Worth, TX

Last edited by aduysak on Jul 07, 2010 - 11:05 PM; edited 1 time in total

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edwinbland wrote:

What distinguished the 501 separate from the MBFI? The 501 specifications call for the AMUX & WMux bus tests separately in great detail. Was the MBFI a GD/LM product or did someone else build it? Does the MBFI test AMUX as well as WMUX bus subsystems? There was also a sister product of the 501... called the 500 tester... what was its purpose in life? Was it a subset of the 501 tester?

Regards,

Edwin Bland,
Fort Worth, TX

The MBFI is for troubleshooting mux problems, the -501 is the flightline tester for troubleshooting & testing weapon problems on aircraft. The -500 is the backshop tester for testing and troubleshooting AME equipment off aircraft..ie,.. racks, launchers, pylons..etc..

Cheers,

ViperDude

The Lockheed Rep is going to tell you to start shooting wires, even though I know you would rather yank out some of your teeth, this maybe your only option since you do not have a MBFI, and it could take you years to get one. One of the wires has a higher than normal resistance reading, you will need to find it.

ViperDude wrote:

edwinbland wrote:

What distinguished the 501 separate from the MBFI? The 501 specifications call for the AMUX & WMux bus tests separately in great detail. Was the MBFI a GD/LM product or did someone else build it? Does the MBFI test AMUX as well as WMUX bus subsystems? There was also a sister product of the [Link pending approval] called the 500 [Link pending approval] what was its purpose in life? Was it a subset of the 501 tester?

Regards,

Edwin Bland,
Fort Worth, TX

The MBFI is for troubleshooting mux problems, the -501 is the flightline tester for troubleshooting & testing weapon problems on aircraft. The -500 is the backshop tester for testing and troubleshooting AME equipment off [Link pending approval],.. racks, launchers, [Link pending approval]

Cheers,

ViperDude

Thanks ViperDude!

I appreciate you sharing. The 501 functional specification lists AMUX & WMUX testing which it must complete as well. Is the MBFI like a super-set of the 501 MUX testing? Would Lockheed have the specifications for the testing on the MBFI?
Thanks!

Edwin

Took a while to find it but T.O. 33D7-75-34-1 is the one I think you need for MBFI operation. The MBFI is just a computerized ohmmeter with all the proper cables to connect to various points of the MUX cabling. I seem to remember it being a creation of GD engineers at Ogden a decade or two ago.
fisk

If they don't have an MBFI, then they are probably not authorized to have the T.O. for it as well.

Forum: F-16 Armament & Stores

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