(Topic ID: 248855)

Bally Special Force: Strange ball trough switches


By Edenecho

11 months ago



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  • 7 posts
  • 4 Pinsiders participating
  • Latest reply 57 days ago by Edenecho
  • No one calls this topic a favorite

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#1 11 months ago

So with a newly quired Bally Special Force I noticed that it had some issues with registering balls that drained, sometimes spitting out two balls in plunger lane etc. On closer inspection, I discovered that

1) This machine (and others like it guess) has some strange metal actuator switches which Ive nver seen before.
2) The first and third metal switch was reeeeal sticky, see video here:

I got curious as to why Bally started (and then stopped apparently) using these type of metal switches, and also if anyone know the exact part number for them (if I need to replace them), and if there is any trick to deassembling these or if its just to remove the screws holding the whole trough assembly and then lift it out?

#2 11 months ago

Took it apart, and i suspect issue with actual switches. Anyone know what parts these are?

Video of the trough in different slopes here:

The metal actuators seem fine alone, but connected to the assembly and together with micro switches all becomes sluggy.

20190809_194029 (resized).jpg
7 months later
#3 3 months ago

I’d love to know if anyone he an answer to this as well.

#4 3 months ago

Perusing the parts manuals at Planetary Pinball might turn up an answer.

2 weeks later
#5 88 days ago

I have found on my sf that if the switches work, just adjust the gap so that they move up and down easily. If you are trying to use more than three balls even in five ball play, it will serve up two because it thinks the ball was not put in play. Hope this helps.

1 week later
#6 79 days ago

Figure it out, the internal spring on the switch is not strong enough to move the lever back. Swapped with a switch from the coin door, now it seems to be working fine.

3 weeks later
#7 57 days ago

I never fully got to solve this as a I solved the game, but the last I saw when selling it with the "cover" og the trough open, was that the ball stopped on the middle top between the outhole and the plunger hole thing.

Since there are some other solutions here and Ill never pursue that exact game, Ill mark this as solved.

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