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Author Topic: 0-6-0 drive wheel alignment  (Read 1469 times)
Crispy

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« on: April 05, 2009, 09:47:07 AM »


  My Bachmann 0-6-0 has a bumping sound as it goes around the track.

  I had the drive wheel assembly off recently and may not have gotten it

  back on right.

  Is there a way to align it back again?

                                                    Thanks, Crispy
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Yampa Bob

Y.V.R.R.


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« Reply #1 on: April 05, 2009, 02:10:27 PM »

Hi Crispy,
The noise you hear might be the side rods flexing due to the driver cranks not being properly aligned.  All the drivers on a side must have the cranks at the same rotational angle. 

If you need to realign a driver, be sure to hold the axle with pliers while rotating the wheel, otherwise you might cause a misalignment on the other side.

Regards
« Last Edit: April 11, 2009, 03:58:55 AM by Yampa Bob » Logged

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Rule Number One: It's Our Railroad.  Rule Number Two: Refer to Rule Number One.
Jim Banner

Enjoying electric model railroading since 1950.


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« Reply #2 on: April 06, 2009, 12:09:18 AM »

   Is there a way to align it back again?

The only accurate way is to use a quartering jig, available from NorthWest Short Line and others.  As Bob has pointed out, even a small error like 5o can cause problems.  With a quartering jig you can set the wheels to within 1o or better.

Jim
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Growing older is mandatory but growing up is optional.
richG
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« Reply #3 on: April 06, 2009, 01:27:23 AM »

This is the NWSL quarterer that I and others use. This is a pretty good price.

http://www.modeltrainstuff.com/product_p/53-44-4.htm

Rich
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Yampa Bob

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« Reply #4 on: April 06, 2009, 03:55:19 AM »

I can see the concept of the "quartering jig", however, on several occasions I have aligned a wheel on a side to match the other drivers without removing the side rods.

If I were to completely disassemble a driver set for a rebuild then I might be more inclined to buy or build a jig, but thus far I haven't found a need for one.
« Last Edit: April 11, 2009, 04:01:31 AM by Yampa Bob » Logged

I know what I wrote, I don't need a quote
Rule Number One: It's Our Railroad.  Rule Number Two: Refer to Rule Number One.
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