(Topic ID: 41792)

Replacing the rebound rubber - a straight muscle job?


By BlackCatBone

7 years ago



Topic Stats

  • 22 posts
  • 16 Pinsiders participating
  • Latest reply 3 months ago by KenLayton
  • Topic is favorited by 1 Pinsider

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#1 7 years ago

Greetings,

I've replaced all the playfield rubbers on my 1965 Gottlieb Kings and Queens except the rebound rubber. The shaft that holds the rebound rubber does not seem designed to come apart from either the front or back side. (See attached photos.) The diameter of the hole through the rebound rubber is less than half the diameter of the "bolt head" that you see in the "front" photo, what would be visible while playing the game. It occurred to me that the rebound rubber might slip over the "bolt head" part, but given the difference in diameters and the hard rubber composition of the rebound rubber, I thought I'd better ask before turning this into a muscle job. Can I replace the rubber or is the whole metal mounting assembly (along with the rebound rubber) meant to be replaced as a unit?

Thanks.
BCB

Rebound_rubber_front.png Rebound_rubber_rear.png

#2 7 years ago

Pound the metal post off from the back with a small punch. Replace rubber. Put back in. Peen the metal post with a cold chisel.

Done.

LTG : )

#3 7 years ago
Quoted from LTG:

Pound the metal post off from the back with a small punch. Replace rubber. Put back in. Peen the metal post with a cold chisel.

Done.

What?! No! You should be able to remove and replace without any pounding or chiseling. I just did one of those a couple of months ago...on a 69 airport...just muscle no peen.

#4 7 years ago

You might have to cut the old, hard rubber off with a razor.

The new rubber is softer and will slip over the rivet with pressure.

#5 7 years ago

On a side note: Awesome game. I placed second in an EM tourney the other week because I had a "hot" game on this one... I had a scorching 927 points or so.

#6 7 years ago

Yep, manhandle it. If no go, warm it up with a heat gun. If that does'nt work, cut it off. New one will pop right on.( With a fair amount of wiggling & pushing.)

#7 7 years ago

Good advice so far........just cut the old one off with a x-acto razor knife, and then warm the new one slightly (hot water or heat gun or even a hair dryer) and just slip it on.

#8 7 years ago

Why not just put a mini-flipper rubber around it? That's what I do and it gives great bounce action.

#9 7 years ago
Quoted from vid1900:

You might have to cut the old, hard rubber off with a razor.
The new rubber is softer and will slip over the rivet with pressure.

What Vid said. I just did this on my Gottlieb Baseball. Cut the old one off, new one goes on with only a little work.

Leave the mount in place.

Brian

#10 7 years ago

Some Novus1 inside the hole will help make the new one slip on easier too.

#11 7 years ago
Quoted from vid1900:

You might have to cut the old, hard rubber off with a razor.
The new rubber is softer and will slip over the rivet with pressure.

What he said. ^^^^^ You can "lube" the new rubber before you press it over the rivet. Use a little water to wet the hole first. Pres directly at the center hole of the new rubber. Make sure your thumb seals the hole tight. The buildup of air pressure in there will force the hole to expand a little and this will make it a bit easier to go on.

#12 7 years ago
Quoted from Pafasa:

Use a little water to wet the hole first.

If it needs it, I just spit in the hole.

Lubes it up nicely.

#13 7 years ago
Quoted from vid1900:

If it needs it, I just spit in the hole.
Lubes it up nicely.

Insert too much wah wah pedal here.

#14 7 years ago
Quoted from Pafasa:

Insert too much wah wah pedal here.

among other things.

#15 7 years ago

Ok, I chuckled out loud.

#16 7 years ago

Thanks for all the helpful information. I did the following, as suggested by group wisdom: I cut off the old rebound rubber with a box knife. It came off easily. (I saved the rebound rubber in my toolkit for future use when I need rubber mallet, will just tap on the rubber with a small hammer.) I put the new rebound (I get tired of typing rubber and shaft in every other sentence!) in our sink and ran the hottest water available over it for one minute. I washed my hands with bar soap but didn't rinse, I just pushed the suds into the rebound's hole. I pushed the rebound onto the shaft. My hands were so slick I had a hard time getting a grip, but it worked well after a short struggle. And what a difference! The old rebound rubber must have been 1965 original - it absorbed about 50% of the ball's energy on initial contact. The new rebound acts like real rubber, I'm amazed at the difference such a small change makes in game play.

#17 7 years ago

spit in the hole. for sure the porn technique will work every time.

#18 7 years ago

The 1st time i tried replacing one i had the same issue, couldn't figure out how to get it off. Just muscle it off. Pull one side up and try to get it over the lip of the "pin". once you get it started it comes off pretty easy. The new one goes on pretty easy.

#19 7 years ago
Quoted from BlackCatBone:

Thanks for all the helpful information. I did the following, as suggested by group wisdom: I cut off the old rebound rubber with a box knife. It came off easily. (I saved the rebound rubber in my toolkit for future use when I need rubber mallet, will just tap on the rubber with a small hammer.) I put the new rebound (I get tired of typing rubber and shaft in every other sentence!) in our sink and ran the hottest water available over it for one minute. I washed my hands with bar soap but didn't rinse, I just pushed the suds into the rebound's hole. I pushed the rebound onto the shaft. My hands were so slick I had a hard time getting a grip, but it worked well after a short struggle. And what a difference! The old rebound rubber must have been 1965 original - it absorbed about 50% of the ball's energy on initial contact. The new rebound acts like real rubber, I'm amazed at the difference such a small change makes in game play.

So how did it feel?

3 years later
#20 3 years ago
Quoted from smokey_789:

So how did it feel?

Earthy.... very earthy.

3 years later
#21 3 months ago

I cut the old one off. The new one slipped right on without much effort or spit.

#22 3 months ago
Quoted from Quickdraw19:

I cut the old one off. The new one slipped right on without much effort or spit.

Sometimes the old one is so rock hard you have to cut it off with a razor blade or razor knife. Then the new one pops on with a little wiggling and pushing.

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