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Quick Replacement Method for Loader Tyres On-Site

When working on harsh construction sites (such as rocky surfaces), loaders often experience tyre blowouts. Because the front wheels bear the load, provide steering and driving functions, and are the first to come into contact with foreign objects on the ground, they are more prone to blowouts.


Loader tyres are heavy and, coupled with limitations imposed by the site and tools, changing front tyres on site is time-consuming and arduous. Here is a simple and fast method for changing loader front tyres:


  • Start the machine and find a relatively flat and open area nearby. Lower the boom lift and use the boom support to lift the front wheels off the ground. Then support it with a stand on the side of the front axle close to the blown tyre and wedge the rear wheel (must collaborate closely with the driver to avoid personal injury).

  • Remove the retaining rings and lock rings, and then inspect the lining and outer surface of the rim of the loader tyre for adhesion (the lining and outer surface of the rim of the loader tyre may adhere due to prolonged use). If adhesion occurs, remove the support and let the machine run slowly back and forth for a short distance until the lining and outer surface of the rim are separated; do not turn or drive at high speeds to avoid damaging the inner tube. Then, support the front wheel again.

  • Mark the relative positions of the inner and outer tyres for easy detection, removal of foreign objects, and tyre repair.

  • Use pry bars or other tools to remove the tyre from the rim. Be gentle with your actions and have good cooperation to avoid being hit by the tyre and protect the valve stem.

  • If the outer tyre is punctured by a nail or other thin foreign object and there are no obvious or small cuts on the surface, the tyre can continue to be used (becauseloader tyres are low-pressure tyres and run at slow speeds); if there is a large cut, it must be repaired (because when the machine is operating, the loader tyre is subjected to compression and friction, and over time, it will damage the inner tube or even cause the cut to enlarge, the inner tube to protrude, and the tyre to be scrapped).

  • If the inner tube is new, tighten the bolt at the bottom of the valve stem to prevent air leakage; then remove foreign objects from the inner cavity of the outer tyre and sprinkle in an appropriate amount of talcum powder or shattered agent, and spread evenly. In order to make the liner fit snugly against the inner and outer tyres, the inner tube should be inflated appropriately before inserting the liner.

  • Install the tyre onto the rim, and install the lock ring and retaining ring; protecting the valve stem throughout the entyre installation process.

  • Use an onboard air compressor to inflate the tyre.

  • Lower the boom lift and remove the support; the tyre change is complete, and the entyre process takes about 50 minutes.

  • When changing rear tyres, another loader or other lifting equipment is needed for assistance to support the rear tyres, but the rest of the procedures are the same as when changing the front tyres.