Backhoe NH 758C Backhoe

[chatcher]

I've been enjoying my new backhoe yesterday evening and today - digging trenches and (hopefully) sealing a pond leak. It seems to be very sturdy and does a real job digging. I only had to remove one stump - about 10" diameter - in soft muck. The tree had been cut nearly a year and it popped right out.

I do have one question. The manual says there is a storage hole on the backhoe frame for the swing lock pin when it isn't being used to lock the boom. Are they telling the truth? It may be staring me in the face, but I can't find it anywhere.

One more day of backhoe work and I'll find out how hard it is to remove from the tractor. As much fun as the backhoe is, I'm anxious to try the new tractor out on some other jobs.

 

[billfires]

chatcher, on my 758C it is on the platform where your feet stay when you are operating the backhoe. There are two 1" holes on each side. I keep mine in the toolbox on my 1920. Bill C

 

[GATC35]

Congrats on the new toy... I mean tool. /forums/images/graemlins/cool.gif

I bought a 757-C about 5 months ago and have been very pleased with it's performance.

The storage hole for the swing lock pin is located in the foot plate at the outboard aft corner. One on the left footplate, and one on the right footplate. I guess they wanted to give us a choice on which side to use. The storage hole is slightly smaller than the other holes in the foot plate. I never use mine, I just throw the pin in the tool box with the other pins and clips.

Have fun and be safe .

 

[PineRidge]

Nice looking BH.

Now you need a BH dolly. You'll find out why the first couple of times you try to move all that dead weight, man what a chore that used to be.

I hope you get your dam plugged. Maybe a little Bentonite mixed in with your fill might help you out.

 

[JMA375HH]

That BH Looks great what size tracktor do you have her on. and if you dig out more stumps let us know how that gos. have fun. I am picking up our new tc33da on the 18th cant wait.

 

[chatcher]

</font><font color="blue" class="small">( I hope you get your dam plugged. Maybe a little Bentonite mixed in with your fill might help you out.)</font>

I fixed the pond leak yesterday. Time will tell if the repair holds. Here is a before picture of my neglected pond. It's about 40 years old and still has a lot of fish. The level should be over a foot higher. It is supposed to rain next week, so it should be full before long

 

[chatcher]

The leak wasn't hard to find (see photo). I believe it was caused by tree roots. Once water finds a path it continues to erode until you get a washout like this. Over the past 40 years some trees were allowed to grow too close to the dam (in this case not the man-made dam but the side of the pond that was a natural bank). Moral of the story - keep the trees away from your dam! I used a dozen bags of bentonite mixed in with the natural (mostly clay) soil. Hopefully it will do the trick.

 

[chatcher]

</font><font color="blue" class="small">( That BH Looks great what size tracktor do you have her on. and if you dig out more stumps let us know how that gos. have fun. I am picking up our new tc33da on the 18th cant wait. )</font>

Thanks, this is on a TC35DA I just bought. I have some more stumps that need to come out, but they are on steep grades and I'm not ready to try those! Speaking of safety, I was so excited to use the tractor yesterday that I didn't even think about suncreen. I wore a straw hat, but my neck, arms and hands are burned pretty well. This is the first real sun we've had this year, so I guess I can be forgiven and do better next time.

 

[chatcher]

</font><font color="blue" class="small">( chatcher, on my 758C it is on the platform where your feet stay when you are operating the backhoe. There are two 1" holes on each side. I keep mine in the toolbox on my 1920. Bill C )</font>

I'll look for the holes today, but if they are there I must have looked right past them. The toolbox sounds like a better idea.

 

[PineRidge]

Was your tree that caused the problem originally growing on your dam or near it?

In my part of town we have a large body of water (Nimisilla Reservoir) that for years had trees growing all over the dam.

Then one year the Army Engineers came in and said they all had to go. They dug each one out and filled the hole with a slurry of clay to re-stabilize the dam.

There were a lot of trees and it was a lot of work.

 

[chatcher]

</font><font color="blue" class="small">( Was your tree that caused the problem originally growing on your dam or near it?

In my part of town we have a large body of water (Nimisilla Reservoir) that for years had trees growing all over the dam.

Then one year the Army Engineers came in and said they all had to go. They dug each one out and filled the hole with a slurry of clay to re-stabilize the dam.

There were a lot of trees and it was a lot of work. )</font>

This tree was about a 10" diameter white oak that was growing on a natural slope that makes up the side of the pond, at about the same level as the leak. Id guess the distance from the tree to the water edge was about 25 feet. The previous owners were careful to keep the man-made dam mowed, but allowed trees to grow on the natural part, some of which is up to 20 feet below water level. It is thicker than the man-made dam, but has no engineered core. Last year after I found the leak I cut all the trees I thought were a threat, but haven't removed the stumps. I'm half afraid to remove them, but it probably won't do any more damage than the rotting of the roots.

 

[chatcher]

</font><font color="blue" class="small">( ...Now you need a BH dolly...)</font>

I do, and I like the one you built. In your description you mention a top link on your 757C. I know the 757C is not exactly the same as the 758C, but since they do take the same subframe it seems logical they would mount the same way. Mine has no toplink connection, and I wonder if it should. When using it sometimes I can hear a knocking noise from the rear mount, as if the backhoe is moving on the back of the tractor. This was apparently the first installation of a NH backhoe the guys at my dealer had done, and I'm depending on them to have gotten it right.

I guess my question is, in addition to the two front pins that connect the subframe to the brackets on the tractor, what, if anything, holds a 758C on?

 

[PineRidge]

In the center of the BH platform is a small panel that is normally held in place by a spring pin. I remove the pin & cover and attach my top link to the mounting point under the cover. I then tighten the top-link to snug up the BH to the tractor.

The top link keeps the BH frame tight in the rear carrier located beneath the PTO stub.

If this is not real clear I can take a digital picture showing the top link attachment point.

 

[chatcher]

</font><font color="blue" class="small">( In the center of the BH platform is a small panel that is normally held in place by a spring pin. I remove the pin & cover and attach my top link to the mounting point under the cover. I then tighten the top-link to snug up the BH to the tractor.

The top link keeps the BH frame tight in the rear carrier located beneath the PTO stub.

If this is not real clear I can take a digital picture showing the top link attachment point. )</font>

Ah, a secret compartment. Those devious rascals. I'll look tomorrow to see if mine has one. I finally found the swing pin storage hole where everyone said it was - hidden right in front of my eyes. On mine there are no holes on the left side (left if you're sitting in the BH seat) and two different sizes on the right side.

 

[chatcher]

My backhoe does not have a panel or a pin under the seat, but I did find the brackets that the top link can attach to. The only problem is the only pin I have long enough to span the brackets is too long to be physically inserted in the holes (due to other obstructions. I'll have to look for a pin just slightly longer than the "standard" 3-pt hitch top pin. I'm not sure if the top link was intended to be used with the subframe - there is nothing in my manual about it. But I don't see how it could hurt anything.