Dump Truck repair

Damn!

Sorry about that, but the links are slightly off.

Please replace "/VolvoEars/" with "/photos/VolvoEars/" and they should come up.

Lordy! How embarrassing!

Again, my apologies! ~Joe

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Yeah, I posted a reply about 15 minutes later (had to give the message board time for the new post to arrive before I was able to test my links).

Here are the corrected links as I "reposted" shortly after:

--- "Joe" reposted with this: Damn!

Sorry about that, but the links are slightly off.

Please replace "/VolvoEars/" with "/photos/VolvoEars/" and they should come up.

Lordy! How embarrassing!

Again, my apologies! ~Joe

"Ignoramus22010" wrote:

I went to high school with a guy that was crushed to death by the bed of a dump truck. He was in the same general area as the guy topping off fluid in the first pic. Hydros cut loose & that was it.

Be careful.

Joe- not so much advice, but can you answer a few questions for my own reference?

1. Is the ear surface is way too far gone to repair with hardfacing?

1. how true is the subframe the ears mount to? if it's twisted in any way it seems like it could be a serious pain to get the pin back in the right place.

2. how tight is the tolerance between the pin and the bore of the ear?

Is torching out 4 new ears that have to be milled to a common center going to be difficult? (i know it would be for me, but I'm not the best guy with a torch either)

thanks for the info, and good luck on the repair.

If I was going to go through replacing the ears I would replace them with hardened bushings and pins or something greaseable. Brass would wear out in no time. I would also use low hydrogen electrodes such as

7018. Tell that guy he needs to throw a chock between the body and frame when he does that!

"utahparx" asks:

Well, I have some hardfacing rods, but I'd think it would be more work trying to build up the insides where it is all worn. I'd have to remove the pin first, then weld around and around over and over inside the hole where the pin goes. Then, if I built up too much, I'd have a really hard time trying to get the extra hardfacing metal back off!

See? There's something I hadn't thought of. The subframe (either on the truck itself or on the dump bed ...or both) could be very twisted! This driver has some pretty beat up equipment, so it would not surprise me at all!

I don't know. Right now, the bore is so "wallered out" (East Texas term) that I can stick my fat thumb in the hole. Even if the new ears are bored a

1/16th of an inch too big, it is still a huge improvement over what he has now.

Well, I haven't talked to the machine shop yet. That's a good question for me to ask them, though! Thanks!

What about just boring some holes the size you want them in new ears, grinding the old ears flat, and just clamp the new ears over the old and fillet weld around the edges?

GWE

jp2express wrote:

Greetings all,

My only suggestion would be that when you begin to replace the ears, do so with the hinge pin run through them. I realize this may be cumbersome, may want to have some help around, but it will help insure that everything is aligned properly. Nothing worse than getting everything welded up and the #$^@#^ pin won't go back in. You can cover the pin with Anti Spatter spray or old cardboard or tin to protect it.

Just my $.02, Jim C Roberts

Good advice is sometimes hard to find, if you don't get any you might try the following: Position the dump on the subframe where you want it to be and weld it in place, cut out origional ears and make new ones from AR plate. Position the new ear and mark for drilling. Ears may vary from one side to the other so don't weld them together and drill without checking. A long pin is better for alignmnet. Bevel new ears and make full penetration welds with new 7018 rods if you don't a rod oven, preheat ends of subframe to help eliminate hydrogen craking. HTH

Good advice!

What's AR plate? Plate from Arkansas isn't any different than Texas plate, is it? LOL

Seriously, I'm not sure what the AR means.

I'm going to need to make multiple passes. I was planning on using 6011 for the root (just because I personally find it easier to control), clean up as best I can, then hit it with the 7018.

I like 7018 for its tensile strength, but I hate the fact that it is higher ma> Good advice is sometimes hard to find, if you don't get any you might try

That's about what I'm planning, but I'll cut the old ears out with the torch and grind the leftover crud.

Thanks for the 2 cents!

"Grant Erw> What about just boring some holes the size you want them in new ears, > grinding

Thanks Mr. Roberts!

I probably would have kept the pin in while welding the new ears on (because it seems like the logical thing to do), but you never know what happens when you get in the middle of something.

I hadn't specifically planned on keeping the pin in, so you spelling it out for me should ensure that I do it.

If I get enough 2 cents from every>

Abrasion Resistant Plate. Used for dump truck beds.

Dan

T1 high tensile steel is often used for crane and trailer frames and requires 11018 for proper welding. It is also very resistant to abrasion and is often used as a substitute for true AR plate.

The photos do not show the amount of wear in the center part of the hinge attached to the box. I suspect that the pin should be restrained from turning in the subframe and that the center part should be bushed and lubricated.

Please add my voice to those who have commented on the shocking absence of safe working procedure shown in your first photo. This would cause an immediate safety investigation, lots of paperwork and meetings, and probably the firing of the worker or foreman or both on any of the jobs I work on. It is a classic example of inadequate training and poor safety management, I bet if you looked around this operation that you will find many other examples. Be very careful working around these guys, treat them all as if they are trying to kill you and make it look like an accident.

As welders, we often work under heavy objects and it is our first and most important responsibility to ensure that any such object is secured to proper safety standards. IMHO a block of wood jammed in the hinge is NOT adequate for proper safety standards.

'If you think that safety is too expensive or time consuming, just try having an accident.'

The guy in the pic is an independent trucker, and he is the owner of the truck.

What is worse is he was having to fill the hydraulic reservoir because the cylinder is leaking so bad that there was only enough fluid to raise the bed to where it is shown in the picture!

These guys know noth> Please add my voice to those who have commented on the shocking absence of

Alloy & Abrasion Resistant plate. AR400F as an example.

Not pushing this company or such - have their stuff and it works.

We shoot at AR plate. Min spec is 360 (BHN) to 400. .308 demands 500F and when one puts a 30-06 into a pistol - wow anyway!

Martin

Mart> Good advice!

anyway!

How does that stuff stand up to welding? I see it is through hardened, does the welding take it back to the softer state?

AWEM

Often noted as T1 armor plate

Gunner

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