Garden tractor acquisition

Mower trouble? Are 2-cycle engines the bane of your existence?
kevm14
Posts: 14577
Joined: Wed Oct 23, 2013 10:28 pm

Re: Garden tractor acquisition

Post by kevm14 »

Don't know if I posted this before but I found a service manual for my Eaton hydro.

I found it here: https://www.toro.com/getpub/6889

But also attached for safe keeping. I wanted to see if I could figure out how to do the fluid change. Hopefully I can get to the plugs on the top and bottom. If so I am home free. I know the large plastic reservoir body is easily accessible.

The last page has even more info on oil types.
Eaton hydro fluid.PNG
Yet another source: https://shop.advanceautoparts.com/p/val ... -detergent
Valvoline Non-Detergent Motor Oil is specially designed for equipment specifying a non-detergent formulation. Meets or exceeds requirements for air compressors, hydraulic systems, racine vane pump, Denison HF-2, Vickers I-2865, ISO 100 Antiwear Hydraulic Fluid.
Pretty clearly barking up the right tree here.
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kevm14
Posts: 14577
Joined: Wed Oct 23, 2013 10:28 pm

Re: Garden tractor acquisition

Post by kevm14 »

Looked at it. Why, that's a plug on top. Didn't realize it was going to be an allen head. Provided I can find the bottom one and these aren't seized this should be easy. The reason I need to open the top one is while filling to let the air bleed out, or else I think I read that it takes for-ev-er to fill. Obviously the bottom one is for draining.
20210214_090357.jpg

One of my allen sockets fits it perfectly, as well.
20210214_090407.jpg
kevm14
Posts: 14577
Joined: Wed Oct 23, 2013 10:28 pm

Re: Garden tractor acquisition

Post by kevm14 »

I tested my engine hour meter. It just counts run time. It does not count engine revolutions. I tested it at around 1750 rpm for 5 minutes and then tested it for 5 minutes at 2800 rpm (about twice). It registered 5 minutes both times. Good to know.
kevm14
Posts: 14577
Joined: Wed Oct 23, 2013 10:28 pm

Re: Garden tractor acquisition

Post by kevm14 »

Did the hydro fluid.

Details here: https://youtu.be/poqGHkfR5Hw
kevm14
Posts: 14577
Joined: Wed Oct 23, 2013 10:28 pm

Re: Garden tractor acquisition

Post by kevm14 »

After confusing myself I have confirmed it is an Eaton model 7. Phew.
Screenshot_20210215-081109.png
kevm14
Posts: 14577
Joined: Wed Oct 23, 2013 10:28 pm

Re: Garden tractor acquisition

Post by kevm14 »

I think the next project on the hydro is to tighten up the linkage between the speed control lever and the transmission. And I think it may amount to some drilling and selection of right-sized brass bushings that I can lightly press into the appropriate lever holes. I believe this will cure any jerkiness I am experiencing. Just need to see what is out there for bushings. Not sure if Ace or TSC would have something on the shelf with the right inside diameter to match the rod linkage (which I would bring to the store). That is the critical dimension to match. Then for the outside, I would just drill to fit. Sounds simple....I'm sure there will be complications but it seems like a sound idea.
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