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  #191  
Old 01-16-2018, 07:14 PM
J-Mech J-Mech is offline
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Quote:
Originally Posted by darkminion_17 View Post
I found this in the archives.
Maybe it will help.
Here is the link.http://www.onlycubcadets.net/forum/s...d.php?p=384106
That is exactly how I was trying to explain to mount it. Looks like that guy may have used two lovejoy couplers.
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  #192  
Old 01-16-2018, 07:49 PM
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sawdustdad sawdustdad is offline
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Thanks for posting that picture. Looks like his is mounted to a bracket attached to two of the transmission cover bolts. Looks like just two bolts on the pump itself. Where it is mounted, there is no room for the lower two bolt heads.

I do like how his is attached to the transmission rather than the frame.

At this point I'm sticking with the support from the frame and will add a pair of pillow block bearings and a lovejoy coupler on the top of the transmission cover.

I've attached some pictures of the pump and clearances to see the limitations on how it might be mounted. Received the hood hinge, so that went on. Need a set of headlights. Been looking on ebay.

I have found what I think is a good spot for the spool valve. It can be foot operated from this location, is out of the way getting on and off the tractor, and does not interfere with anything else.
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  #193  
Old 01-16-2018, 07:59 PM
J-Mech J-Mech is offline
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Originally Posted by sawdustdad View Post
Looks like his is mounted to a bracket attached to two of the transmission cover bolts.
You are correct. And I was talking about mounting it to the rear top casting, not to the cover. I didn't look at the pic very close.

If you use two pillow block bearings, it's going to be hard to get them aligned. Not much room. You thinking lovejoy on each end? That would be the only way a double bearing mount will allow it to work unless you can get the shafts aligned perfectly.


I like the valve mounting location!
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  #194  
Old 01-16-2018, 08:24 PM
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Thinking a couple options.

Two self aligning pillow blocks with a lovejoy between them or attach the lovejoy to the hydro and extend the pump shaft through a pillow block to the lovejoy.

Once the parts arrive, I'll see what looks like it will work.

My shafts are aligned within 10 or 20 mils. (that doesn't sound quite right).
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  #195  
Old 01-16-2018, 08:52 PM
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OK, a question. I'm driving this hydraulic pump counter clockwise, looking at the shaft. Is there a rule of thumb which port is suction and which one is discharge with this rotation? Can't find a number to call the mfg. And the spec sheet doesn't specify either.
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  #196  
Old 01-16-2018, 08:55 PM
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Quote:
Originally Posted by sawdustdad View Post
Thinking a couple options.

Two self aligning pillow blocks with a lovejoy between them or attach the lovejoy to the hydro and extend the pump shaft through a pillow block to the lovejoy.

Once the parts arrive, I'll see what looks like it will work.

My shafts are aligned within 10 or 20 mils. (that doesn't sound quite right).

If you use two pillow blocks with a lovejoy between them, then the shaft extensions have to be a tight (light press fit) to each respective part.

I'm not sure how you are measuring shaft alignment..... You have to use a shaft alignment tool, or a flange of some sort. There isn't much room in there for either. Do you mind sharing how you are checking alignment?
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  #197  
Old 01-16-2018, 09:10 PM
Rob_M Rob_M is offline
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I used a solid sleeve, a short shaft and then a lovejoy. The bottom two holes on the mounting plate are tapped and two short bolts go in from the back side.

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  #198  
Old 01-16-2018, 10:37 PM
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Quote:
Originally Posted by J-Mech View Post
If you use two pillow blocks with a lovejoy between them, then the shaft extensions have to be a tight (light press fit) to each respective part.

I'm not sure how you are measuring shaft alignment..... You have to use a shaft alignment tool, or a flange of some sort. There isn't much room in there for either. Do you mind sharing how you are checking alignment?
On my boat I use feeler gauges between the transmission and prop shaft flanges, yes, that has to be within a couple mils.

You are right, don't have room for that and don't have any alignment tool. I'm basing it on the fact that the sleeve I machined is a close slip fit on both shafts with concentric bores. With the pump bolted in place, the sleeve can be turned without any effort or movement of either shaft. The shafts would have to be aligned for that to happen. How close? I don't really know. Just guessing, but it's close.
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  #199  
Old 01-16-2018, 10:42 PM
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Originally Posted by Rob_M View Post
I used a solid sleeve, a short shaft and then a lovejoy. The bottom two holes on the mounting plate are tapped and two short bolts go in from the back side.

Is it an optical illusion or does your hydro pump sit on top of the flat boss that is cast into the gear case, toward the rear of the pump? The boss on my gear case looks taller, or the pump is different, or something. Or it's just the angle of your picture.

Your install looks great! Any other advice you might offer to me as I'm trying to figure this out?
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  #200  
Old 01-16-2018, 10:48 PM
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Quote:
Originally Posted by sawdustdad View Post
I'm basing it on the fact that the sleeve I machined is a close slip fit on both shafts with concentric bores. With the pump bolted in place, the sleeve can be turned without any effort or movement of either shaft. The shafts would have to be aligned for that to happen. How close? I don't really know. Just guessing, but it's close.
Sounds good to me.
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