riveroadrat
Well-known Member
Anyone out there know where I could get 1 of these bushings? Its about 1-1/2" diameter. Its the lower gears front bearing cap looking to the rear, inside the clutch housing.
- Thread starter riveroadrat
- Start date
riveroadrat
Well-known Member
I just wanted to tighten up that end of the tranny while I had it apart. I'll probably have to have one machined for later. The one in there still has the oiling pockets in it.
Larry NCKS
Well-known Member
Perhaps NH dealer locator??? Or NH call to vintage parts. One of these or the other may turn one up.
"...tighten up that end of the tranny..."
I don't understand this - what makes you think the countershaft is 'loose'? - - preload is adjusted at the rear of the transmission by adding/removing shims and to measure the preload you need to have the transmission loose from the rear housing and the mainshaft removed - - if the countershaft actually has detectable front to rear slop you have bigger problems than can be solved by a shade tree 'adjustment' being made at a location that's not designed for adjustment -
I don't understand this - what makes you think the countershaft is 'loose'? - - preload is adjusted at the rear of the transmission by adding/removing shims and to measure the preload you need to have the transmission loose from the rear housing and the mainshaft removed - - if the countershaft actually has detectable front to rear slop you have bigger problems than can be solved by a shade tree 'adjustment' being made at a location that's not designed for adjustment -
Larry NCKS
Well-known Member
Don't think OP is talking about end play here. Believe he's talking about having shafts tight in their respective bushings or bearings.
"Believe he's talking about having shafts tight in their respective bushings or bearings."
The tapered roller bearings are 'tightened' to their respective races by adjusting the distance between the races at the front and back of the assembly - if the PTO countershaft retaining bushing (the item OP is concerned with, if I read this correctly) is worn significantly there is likely a problem with a lack of preload on the bearings associated with the countershaft - if OP comes up with a 'new' bearing retainer with an unworn bushing, not only will the race and associated bearing not be matched (possibly not a big deal, granted, but the preload on the assembly should still be adjusted) but the underlying problem that caused the original bushing to wear is not addressed -
dunno - if the tractor is going to be used, it appears to me to be a significant deal - if it's just for display/parades I don't think it's worth fussing with half a repair -
your mileage may vary, of course....
The tapered roller bearings are 'tightened' to their respective races by adjusting the distance between the races at the front and back of the assembly - if the PTO countershaft retaining bushing (the item OP is concerned with, if I read this correctly) is worn significantly there is likely a problem with a lack of preload on the bearings associated with the countershaft - if OP comes up with a 'new' bearing retainer with an unworn bushing, not only will the race and associated bearing not be matched (possibly not a big deal, granted, but the preload on the assembly should still be adjusted) but the underlying problem that caused the original bushing to wear is not addressed -
dunno - if the tractor is going to be used, it appears to me to be a significant deal - if it's just for display/parades I don't think it's worth fussing with half a repair -
your mileage may vary, of course....
riveroadrat
Well-known Member
Theres a 1-1/2" brass bushing in the bottom shaft nosecone, its in front of the tapered bearing cone looking to the rear. I know this tractor will run longer than I will. I just dont want to see this end again. I can tighten up the bearing freeplay when I get to it. I have a manual to do the tranny right. Im also painting it front to back as I go along. I will try my dealer on the part needed and theres always a lathe. Thanks for the info.
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