Loaders often have flat tires when working on relatively harsh construction sites (such as rock faces). Because the front wheels bear the load, steering, and driving functions, and primarily touch foreign objects on the ground, it is more likely to have a flat tire. The tire weight of the loader is relatively large, coupled with the constraints of places and things, it takes time and effort to replace the tires on site. The author's unit has more loader, and often work in the open pit, the tire burst occurs, through many years of practice, to explore a simple and fast way to replace the front tire of the loader, the details are as follows: When working on a construction site (such as a rock face), a flat tire often occurs. Because the front wheels bear the load, steering, and driving functions, and primarily touch foreign objects on the ground, it is more likely to have a flat tire. The tire weight of the loader is relatively large, coupled with the constraints of places and things, it takes time and effort to replace the tires on site. The unit where the author is located has many loaders, and often works in open pits, and the tires have bursts. Through years of practice, we have explored a simple and fast way to replace the front tires of the loaders. The details are as follows:
(1) For the engine, look for a relatively flat and open place nearby, press down the boom lift lever, use the boom support to lift the front wheel off the ground, and then use the bracket to support the side of the flash bridge close to the flat tire, and put the rear wheel Good wedge (it is necessary to cooperate closely with the driver to prevent the formation of personal injury).
(2) Using a crowbar, etc., disassemble the retaining ring and the lock ring and then check whether the tire pad and the outer surface of the rim are stuck (the tire is used for a long time, and the pad and the outer surface of the rim may be stuck). If there is an attack, the support can be removed, and the machine can be reciprocated slowly in a short distance until the pad is separated from the outer surface of the rim; steering and high-speed driving are strictly prohibited to prevent damage to the inner tube. Then, the front wheel is supported from the beginning.
(3) Mark the relative positions of the inner and outer tires in order to find and eliminate foreign objects and repair the tires.
(4) Remove the tire from the rim using something like a crowbar. Note that the movement should be gentle and coordinated to prevent being hit by the tires, and the valve should be protected.
(5) After the outer tire is punctured by a slender foreign body such as a nail, if there is no obvious trauma or minor trauma, the outer tire can be used continuously (because the loader tire is a low-pressure tire and the running speed is relatively slow); if the trauma Larger, it is necessary to repair (because the tire is kneaded and rubbed when the machine is running, the inner tube will be damaged after a long time, and the trauma will become larger and the inner tube will protrude, resulting in the tire being scrapped).
(6) If it is a new inner tube, it is necessary to tighten the bolts at the bottom of the valve to prevent air leakage; then shovel out the foreign objects in the inner cavity of the outer tube, and sprinkle with appropriate talcum powder and apply evenly. In order to make the liner tight to the inner and outer tires, the inner tube should be properly inflated after being inserted into the inner tube, and then the liner should be inserted.
(7) Install the tire on the rim, install the lock ring and retaining ring; protect the valve during the installation process.
(8) Inflate the tires with a vehicle-mounted air compressor.
(9) Depress the boom lift lever and take out the bracket; so far the tire change is completed, and the whole process takes about 50 minutes.
When replacing the rear tires, you need another loader or other lifting equipment to support the rear tires. The other procedures are the same as those for replacing the front tires.
