Colt Case Ingersoll Garden Tractors

@Harry you just had a hydraulic pump issue on the green tractor. We'll, now I do, and it was self created. #$@!!! The last photo in building a bigger toybox was a photo of the 646 with the rear mount hydraulic driven snow blower. Yesterday, when plugging in the hydraulic hoses, one was under pressure. The engine was running at near full throttle when I shifted the pto lever to release the back pressure on the jammed hose connection. Shifting the pto lever released the pressure and the line attached. Great
The blower had been stored outdoors so there was a sense of urgency to see and hear it run. Shifting the pto from neutral to forward and reverse should have made the auger turn. Nothing happened, not even a groan. Next the loader raise was tried and it was very very sluggish then stopped moving. The tractor wouldn't move either. A sense of dred and fear began to creep and settle in. I knew better than turning on the pto without a loop or piece of equipment attached. Not only did it shear the key, but the deadheading pressure split the Lovejoy coupling on the pump shaft.

Tomorrow snowing, wind, and another below freezing day. 26f/-5c. Every indoor workspace is packed full with the new accessory building taking priority. If Eugen can rebuild an in a tent, then I can do this. The motor will be moved forward and the coupling will be changed out.

Nasty.

Noel

Oh that sucks !! Working on any machine outside in this weather is no fun . It might be worth while to take a few 2x4s and some vapour barrier and build a quicky tent over it . It is amasing how getting out of even just a brease will warm things up enough to work on . Hope it doent fight you to much .

That’s a great idea Dave. Out of the wind is a big help. Like being in a tractor cab.

Noel

The pic in the post looks like it’s in order! Is this a pic before the incident? I wish you luck in getting this fixed. Never a good thing working out in the weather. Harry

@Harry It is hard to see in the photo but the hub is split along the keyway and at about 7:30.
At the top of the hub is the set screw and a split can be seen about 2/3 of the way down.

Not going to be fun fixing it outside but I know you’ll get it going. Try and stay warm.

On positive note the lovejoy connector being sintered metal failed instead of twisting the pump shaft off .

I hate to admit giving into the idea of farming this job out. 27f/-5c, windy and snow flurries. It will get winchhed onto a trailer and taken to a freinds shop for repair. I may or may not have time to help. At least good record keeping in June of 2017 indicated the sizing on a replacement pump installed allows for picking up the Lovejoy replacement before teardown. It can be a Saturday job that way.

I sure don’t blame you. Having it in a shop or crawling around in the snow and cold? I think I know which one I’d pick! Hopefully it back up and running quickly.

Spike188 wrote: ↑Fri Dec 06, 2024 10:49 am I hate to admit giving into the idea of farming this job out. 27f/-5c, windy and snow flurries. 20241206_102503.jpg It will get winchhed onto a trailer and taken to a freinds shop for repair. I may or may not have time to help. At least good record keeping in June of 2017 indicated the sizing on a replacement pump installed allows for picking up the Lovejoy replacement before teardown. It can be a Saturday job that way.

Oh now, you're reminding me of all the good times I used to have wrenching in freezing weather!

@Spike188 , get a new spider too, while you're at it.

Without hydraulics loading on trailer was going to be an issue.The lift cylinder pins were removed.Then bucket cylinder hoses disconnect and loader arm rod removed.once loader was disconnected it was flipped out of the way.and tractor was wenched onto trailer.After a short ride it was unloaded into a freinds shop with it's rear wheels an a lift table.We decided to pull the pump for access to the coupler.It was tight but the pump was accessible. By removing the deck lift linkage the pump and bracket fell
out.The were no hangups taking the coupling off of the pump.
40 minutes to remove loader and about the same amount of time to remove the pump. WIll order a new coupling from local supplier on Monday.

Well... between the sheared key and shattered coupler I think you found the weakest links in that connection...

Thanks for the photos, It's interesting to the difference in getting access to the pump in a 6XX series vs trying to get to the pump in my 446.

RoamingGnome wrote: ↑Sat Dec 07, 2024 5:55 pm Well... between the sheared key and shattered coupler I think you found the weakest links in that connection...

Thanks for the photos, It's interesting to the difference in getting access to the pump in a 6XX series vs trying to get to the pump in my 446.

Better to have a broken coupler than a pump with an inspection hole in the side!

Bob

Now that's interesting, and you have confirmation that the pump and engine are very strong, if the couple actually broke; unless it had a crack from years of use. I moved the engine forward to get the pump off on my various Case tractors.

A local supplier had a stock L110 with ax 5/8 keyed bore that fit a retro pump shaft in the 646. The coupling need a lot of machining to fit in the confined area of the pump mounting bracket.The coupling was sent out for machining but was returned untouched because of a long holiday. By customizing a center tie down bolt to a rotary table and 3 bolts in the table ways as stops the coupling was secure.Milling was a bit of an issue because the coupling could only be milled from one side and rotation direction without it dislodging.It turned out great given the limitations of the tools used.

thats a lot of material to come off to make it fit . Necessity is the mother of invention.

Almost completed reinstalling the pump this afternoon.
But I had to bring the coupling home and take a bit off of the first step.this is a better photo of the clamp and stop system used to hold the coupling centered on the rotary table.

It is home. If doing a Lovejoy coupling again, pulling the motor out gain acsess would be my preference. Having a 1-1/2" socket and a complete arsenal of tools, made dropping the pump out the bottom of the tractor possible. Getting it back in place was a different story. At least a buddy was lending his hand.

Well now that your done playing around with that coupler its time to get the tractor off the trailer and get some work done! Just kidding!
Seriously though you did a great job getting it fixed. I’m very envious of your tools and ability! That should last for a long time!

Yeah , come on Eugene . Get that thing to work . What are your waiting for , next year to come ?

@JSinMO and @DavidBarkey As either Abraham Lincoln or Johny Blum once said, "Put off for tomorrow what you could do today." That's my game and I'm sticking to it.

An advertisement years ago, and I mean years ago Why wait till spring, do it now !

Was a building supply store ad.

Noel

Spike well it’s all fixed and ready for when you need it. I hate to have to fix something to use it. Currently four Case GT ready for use when I need them. That’s a terrific feeling for me. Harry

@Harry one of the first projects after the shop is finished will be finishing the 646LBH and putting it to work.