Changing Fuse Type From
8AG to 3AG

The 8AG, 3/16 Amp fuse located on the Bally AS-2518-22 or AS-2518-16 Solenoid/Regulator Module is real hard to find, if not impossible. On the other hand, standard 3AG fuses in the same amperage are available from several vendors. Every solenoid driver board I come across now gets modified to use the standard size fuse. It's real easy to do, and has absolutely no effect on the way the module behaves. I just remove the top clip, bend one of the solder lugs out flat, the replace the existing tab in the upper hole. I then put some epoxy on the lug I bent out to glue it to the circuit board, for extra strength.

Here's how I do it:

Remove the 8AG fuse from the holder. Picture
Unsolder both legs of the clip closest to the top edge of the board. Picture
Remove the clip from the holes in the circuit board. Picture
With pliers, straighten out one of the solder tabs. Picture
Scratch up the circuit board where the bent-up tab will lie. Picture
Apply some epoxy to the scratched up area (the epoxy will bite better). Picture
Replace the clip with the tab you didn't bend in the upper hole. Picture
Insert a 3AG fuse to align the clip, then add some more epoxy. Picture
Resolder the lug. Picture

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Created 6/21/03 - Last Modified 1/20/07 - Steve Kulpa Nolensville, TN
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Changing Fuse Type From8AG to 3AG

[Steve's Page] [Pinball] [Bally]

Changing Fuse Type From
8AG to 3AG