Turf King fan

(Topic ID: 205706)

Turf King fan


By BlackCatBone

1 year ago



Topic Stats

  • 8 posts
  • 4 Pinsiders participating
  • Latest reply 1 year ago by baldtwit
  • No one calls this topic a favorite

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    There have been 5 images uploaded to this topic. (View topic image gallery).

    Merkle 3 (resized).JPG
    Merkle 2 (resized).JPG
    Merkle 1 (resized).JPG
    I've just removed the fan blades from Turf King's fan hub.  I don't see how the hub is attached to the shaft.  The set screw that bingos have is not present.  Is the hub soldered to the shaft? (resized).jpg
    I've almost got Turf King's fan disconnected from the hub on the stator shaft.  Just a little bit of solder holding the fan on at this point. (resized).jpg

    #1 1 year ago

    Can someone who knows Turf King tell me how the control unit fan attaches to the shaft? My game came with an obvious kludge on the fan - it had a big mass of solder at the center of what looks like might be an original TK fan. I removed the solder and found (as I expected) that the fan blades were soldered to the hub on the shaft. The thing is, I can't tell how the hub is held on to the shaft. The fan hub does not have the same set screw that the bingo games have. I thought maybe the hub had been soldered to the shaft, but I couldn't get it to budge with a reasonable amount of heat and force. I figured I holler for help before I take the motor apart. Anyone know how the fan should be attached to the shaft?

    Thanks...

    I've almost got Turf King's fan disconnected from the hub on the stator shaft. Just a little bit of solder holding the fan on at this point. (resized).jpg

    I've just removed the fan blades from Turf King's fan hub. I don't see how the hub is attached to the shaft. The set screw that bingos have is not present. Is the hub soldered to the shaft? (resized).jpg

    #2 1 year ago

    Always wondered if techs had an army of those metal fans. They are so fragile. I guess not!

    I plan to be working on a game tonight. I should be able to inspect my fan, but I haven't removed it. Is it possible they filled in the set screw area with solder?

    Those metal fans didn't just slide on and clip in place like the later plastic ones, so there should be a set screw somewhere.

    #3 1 year ago

    Nick, I don't think you can solder to those motor shafts.
    They are usually of a steel that does not lent it's self to solder.
    The plastic fans should be relatively easy to find.
    I bet Joe S. would have what ever is required!!!
    Terry K

    #4 1 year ago

    I meant the actual set screw was simply covered with solder, not soldered to the shaft - that would just fall off!

    #5 1 year ago

    don't remember the fan - I woulda guessed a small set screw.

    the gearbox is a sealed unit. The bottom of it appeared to be pressed in. It may be possible to heat expand the case and get it out, but I've never seen spare parts for a merkle motor so there's not much point.

    I vaguely recall that if you remove the conical nuts on the bearing and stator (vice grips ... looks like yours have been removed before), you can take those pieces off and get the rotor out of the gearbox. If you want to fill the gearbox with a solvent to dissolve the old grease then squirt in some new stuff you could do that.

    if you find something different post it up!

    #6 1 year ago

    Here is a couple of pics of my SPARE Merkle motor & fan.
    Doesn't sem to have a "set" screw, looks pressed on!!
    BTW it is available for barter
    Works well!!!
    Terry K

    Merkle 1 (resized).JPG

    Merkle 2 (resized).JPG

    Merkle 3 (resized).JPG

    #7 1 year ago

    I took a second look for a solder-covered set screw, but there isn't one. Terry, those photos were helpful. I recognized the milled ring with the smaller silver ring inside it on the front of your fan photo. I saw the same rings on my hub after the fan blades came off. I wound up using a small hacksaw to progressively remove sections of the hub. It finally freed up from the shaft when I had 2/3 of the hub sawed off. I don't think the fan was intended to ever come off.

    #8 1 year ago

    btw, the conical nuts may be reverse-threaded. If they won't turn the usual way, try the other direction.

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