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  #1  
Old 04-11-2021, 09:51 AM
VT682Hydro VT682Hydro is offline
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Join Date: Apr 2021
Location: VT
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Default 44" deck spindle play?

Doing spring maintenance on my 44" deck. Paint touchup, belt inspection and cleaned and painted the underside of the deck. Hmm, should sharpen the blades while I'm here.
As noted elsewhere, my deck has two aluminum ribbed spindle housings, and one that takes the ST745 sealed bearing unit. Of course that's the one that has play in it. Side to side is very minimal, but there is quite a bit of up and down movement!
Looking at the parts blowup there is no adjustment for this, bearing is just sandwiched between the top and bottom spindle caps? I have the bearing assy apart and the 745 spins smooth, is nice and tight and has no radial or axial play in it. How do I cure this?
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Old 04-11-2021, 10:00 AM
R Bedell R Bedell is offline
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Quote:
How do I cure this?
I don't know of a way, other than replacement.
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CC Models: 100, 105, 1450, 782, (2) 784, & 2072

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Old 04-12-2021, 08:15 PM
VT682Hydro VT682Hydro is offline
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Quote:
Originally Posted by R Bedell View Post
I don't know of a way, other than replacement.
Other than the high price of admission for the newer style, any reason to try and save the old one with new top and bottom plates?
Here a pic of the deck, was repainted aand ID tag was removed by the PO.
It's a 44", looks like later model from mid to late '80's?
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Old 04-12-2021, 09:31 PM
R Bedell R Bedell is offline
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I have replaced the ST-745 Bearing on my 50C deck. I went to our Sponsor CC Specialties (listed at top of page). He boxed it up and I had within 3 days and went back to mowing. Bada Bo - Bada Bing, it was a wonderful thing.
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CC Models: 100, 105, 1450, 782, (2) 784, & 2072

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Old 04-12-2021, 10:30 PM
Dart1917 Dart1917 is offline
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The play is probably not in the bearing itself. The cups that contain the spindle get bent where the bolts go through to hold it together. If you take them apart you will probably see the 3 ears bent down keeping the cups from holding the bearing tightly up and down. If you bend the ears away from each other so the bolts can pull the cups tightly together it will usually hold the bearing tight. I hope this makes sense.

Went back and reread your first post where you say you have it apart already. If you hold the top and bottom cups together they probably don't sit flat against each other, only touching where the bolts go through. Bend the ears until there is a slight gap between them (the ears) when you hold the top and bottom together. Now when you tighten the bolts they should pull the 2 cups tightly together and the bearing should be held tight. If it's still a little loose you can file or grind a little off the cups where they touch so they will clamp the bearing better.
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Old 04-13-2021, 05:30 AM
twoton twoton is offline
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The water pump style spindle, spindle housing and spindle housing cap all wear as an assembly. If the play is only up and down then why not shim it with large diameter machine shims?

I think that as you already have 2 of the automotive style spindles on there I would just swap it out so they’re all the same.
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Old 04-13-2021, 07:34 AM
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ol'George ol'George is online now
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Agree with Twoton,
I've over the years, upgraded my decks to the later tapered bearings in the Alum. housings.
it's a better setup and no stamped steel cup to wallow out.
Now if it was thrifty me, as long as the waterpump bearing is not bad, run it till it wears our, then fling it like baby poop, and opt for a new style that maybe you picked on on evil pray or spaced out bookie for a dollar two ninety eight.
a sealed cartage flopping in a worn housing, hurts nothing.
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Old 04-13-2021, 05:21 PM
twoton twoton is offline
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Quote:
Originally Posted by ol'George View Post
.....a sealed cartage flopping in a worn housing, hurts nothing.
well said ol'George.

Some more reading for you VT682Hydro;

https://www.onlycubcadets.net/forum/...048#post496048
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