(Topic ID: 293677)

flippers wont stay tight

By Matthew2015

3 years ago



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#1 3 years ago

seems like i cant seem to get the set screws to hold the flipper shaft tight .
i am using a Hollow Round Shank Nut Driver with torx bit but it hard to reach the bolts with having to screw them in sideways.
i am using the set screw that came with a the new flipper mechanisms which have cone ends instead of points.
is there a there a different kind of screw that would work better?
and what kind of tool and size would work best?

#2 3 years ago

What game and manufacturer. To help get better answers.

LTG : )

#3 3 years ago

Torx screws? Seems like they should be Allen head screws. Allen screws would allow to use an offset Allen wrench, which will give you all the torque you need to get them tight.

Did you replace the flipper bats? I don't recall what they used for Flash, but specifically the flipper shaft (that you're tightening to) is often in rough shape.

#4 3 years ago

this is for a flash pinball machine .
the flipper shafts did have small nicks in it from where the set screw were.
the set screw are Allen wrench's but i don't have the right size.
using the set screw included with this flipper rebuild kit.

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#5 3 years ago

Without the correct size, you will never get them tight enough. Worse yet, you can damage the screws and then really be in a bind.(Pun intended)

#6 3 years ago

As I recall, the setscrews likely use either a 1/8" or 9/64" Allen wrench. If the setscrews are working loose, then apply a drop of blue LocTite to the threads.

Pinball Resource's flipper rebuild kits usually come with the correct Allen wrench in the kit.

#7 3 years ago

You've got to crank that style down to 75 inch pounds

You can use a ratchet with the proper bit

Those "ball end"" bits allow you tighten the bolt with the ratchet at an angle (good for clearing over other mechs under the playfield)

Craftsman always has those kits on sale for $20
https://www.sears.com/craftsman-24pc-reach-and-access-add-on-set/p-A011456050

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#8 3 years ago

thanks for the advise , i do need to get the proper bit for my ratchet which is a 1/8 hex for a 3/8 drive socket.

#9 3 years ago
Quoted from Matthew2015:

thanks for the advise , i do need to get the proper bit for my ratchet which is a 1/8 hex for a 3/8 drive socket.

Don't get that Craftsman set then, as the smaller sizes are 1/4" drive

instead maybe:

https://www.harborfreight.com/38-in-drive-sae-long-reach-ball-head-hex-socket-set-7-pc-67885.html

1 week later
#10 2 years ago

thanks i will able to tighten flippers enough to where they work great.

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