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How to mount and demount tractor tyre safely?

Mon, 13 Jan 2025 | PRODUCTS

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Has it been a long time with your old farm tractor tyres? Today, let’s see how tractor gets its new tyres mounted. If you have decided to go for tubeless 65 series radial tyres, then they are going to serve you and your tractor in the various field works of your farm. 

Are you especially looking for high traction on the field and low soil compaction? But you don’t want to compromise on roadability as well. We think you made a great choice here. 

So, what are the most important things to consider before mounting a set of agricultural tyres?

First of all, tractors hate wrong tyres and you’ll hate them too. So, it’s important to check that the tractor tyres and the rim are compatible and that the set is right for the vehicle.

ensure

There are two tables where you can check this and see the correspondences of rim and tyre diameters. You can easily find these tables on your tyre manufacturers website or in their manual and you of course you can ask your tyre dealer. We’re sure he’ll be more than willing to help.

But what if I need to change the tyres later? Can I still use the same rims?

Sure, but like we mentioned earlier, only if they are compatible. Just be real critical with the rim. It must not be damaged. You can keep reusing the rims till they are intact and have kept their form.

rim

And vice versa. If you’re mounting a used tyre on a new rim, check that the tyre is not damaged. If it is, you have to get it fixed before mounting one way or the other.

damaged

Okay well now they both look new. Yes, shining new. Looks like your efforts on maintenance finally paid off!

So, the rim is fine. Let’s fit the tyre then!

What we’re going to do first is to lubricate the rim seats and the beads.

lubricate

Let’s say 2 inches or so above the rim edge.

rim edge

What is this lubricant?

It’s a lubricant specially intended for agricultural tyres. It’s important that you only go for products that are suitable for lubricating a tyre. Don’t overkill. We know they sound cool but no silicones, anti-freezes or any other such agents. You could add that to your shopping list – a bottle or tub of lubricant for tyre mounting. You could forget otherwise.

lubrication

Now, we’ll position the valve at the bottom and the bead breaker window away from it. This is to avoid any damages on the bead. This might sound very technical but follow us carefully.

valve

Next, we’ll lift the tyre into the rim. So, that the first bead is on the rim edge.

bead

Here, we can see an arrow on the tyre side. It indicates the rotation direction.

rotation

Now, we’re turning the first bead over the edge and push it into the deepest rim. Well, a little firmly.

deepest rim

At this phase, lightly tighten the valve nut. Then bring the second bead over the edge and push it inside and tighten the valve nut till the end.

valve nut

Now, we can slowly inflate to see if the beads are in the right positions. But only to one bar. Always remember to never inflate tractor drive wheels beyond 35 psi 2.5 bar when seeding the beads.

inflate

Wait, what if they are not in the right positions?

If they’re not, you must start over. It’s all a game of patience. Deflate the tyre and lubricate it again and so on. Inflate to one bar and check again until the beads are in right positions. And when they’re, you can start inflating and enjoy watching the tyres take shape.

deflate

Important Checkpoints

  • Check that the rim and the tyre are compatible 

  • Check that the combination is suitable for your tractor

  • Always practice correct mounting and dismounting procedures and make sure you’ve taken all safety precautions

  • After mounting the tyre, inflate it to seat the beads

  • Completely deflate and re-inflate to recommended working pressure

  • Lubricate rim seats, tyre beads, inside of the bead

  • Inflate to 1.0 bar to check the positioning of the beads

  • Use appropriate tools, lubricants and protective wear

combination