looking for info on how to preload the tapered bearings?
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GT54 324 (190-324-100) mower deck spindle bearing replacing
- Thread starter jbland
- Start date
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mgonitzke
Well-known member
There is supposed to be a spacer inside the spindle between the two bearings that sets the preload when the spindle is assembled and blade nut and pulley bolt are tightened. I have found that the spacers leave a bit to be desired, as most I have dealt with end up "wobbly" for lack of a better word when assembled using the spacer. When I went through the spindles on my deck, I replaced the spacers with a series of machine bushings and 0.010" and 0.005" shim washers, and then got each one set up so that there was just the slightest drag on the spindle with everything tight.
reason I ask is because, one of my spindles locked up I assumed that the bearings where bad, so I started to take it apart by taking the nut off of the pulley and it freed the spindle up, put the nut back on but not as tight , and it spins freely now? the only thing I can find on googled is how to replace sealed bearings.
mgonitzke
Well-known member
Is the spacer still in there? Almost seems like somebody took it apart and didn't put the spacer back in when they put it back together.
it is free now , I am going to mow and see what happens
mgonitzke
Well-known member
If I were you, I would take that spindle apart and figure out what is going on before operating it.
I am going to pump it full of grease and mow, can't do anymore damage
mgonitzke
Well-known member
How much you want to bet? LOL
You said in a previous post that you put the nut back on "not as tight" and it turned easier. That means that the spacer is missing or possibly worn from being loose. If everything is put together correctly and in good condition, the preload and therefore ease of turning the spindle will not change, regardless of how tight the nut is torqued. Now, yours may or may not be tight enough not to loosen during operation, and if that happens, I can assure you it can do more damage.
I plan on staking it or putting some loc-tite on it
jknight
Well-known member
mgonitzke
Well-known member
Why not just...fix it? If it hasn't been run this way long, the bearings may well be fine, and all you need would be a couple seals and a spacer or shim washer or two.
IMO, your band-aid fix is not going to work long term, and if it gets loose again, it will ruin pretty much the entire spindle and you'll be starting over.
I hear all your suggestions, but it makes no sense to me that it mowed fine last year and sat all winter, changed the oil and filter in the engine, started it up to go mulch some leaves the mower never turned just smoked the mule drive belt, that's when I started to tear it apart. if it blows up then then I will have to replace it, but for now it turns free with no noise, thanks for your advice
bkattner
Well-known member
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- Brian Kattner
It may have spun a race in the aluminum housing, that happened to mine. I had to get a new alum housing and one of the outer steel spacers, and 2 seals. I did put new bearings in too.
I'd recommend getting the seals aftermarket (I don't have the PN offhand). The CC service replacements are neoprene and I don't have faith that they will hold up over time.
I'd recommend getting the seals aftermarket (I don't have the PN offhand). The CC service replacements are neoprene and I don't have faith that they will hold up over time.
I used to work in a IHC years ago, what we did when a race spun in the housing we would take a prick punch and stake the housing in several places, then install a new race, saved the customer a lot of money and never had any comebacks
mfrade
Well-known member
Loc-Tite brand has a bearing retaining compound that will also help save you a lot of worry. It's green, and buy their primer and use as directed. I've had a lot of success with that product.
Angie,
You may as well do away with this forum section heading, No one pays any attention to it anymore!!
You may as well do away with this forum section heading, No one pays any attention to it anymore!!
who is Angie? have I done something wrong? have a broken a rule of some kind?
