What to pay attention to when excavator rollers 205-30-00172 PC200

What to pay attention to when excavator rollers 205-30-00172 PC200

Prone to problems

(1) Wheel body wear. The reason for this situation is that the steel used is unqualified or the hardness of the material is low and the wear resistance is insufficient;excavator rollers 205-30-00172 PC200

(2) Oil leakage. The roller shaft has been rotating through the shaft sleeve, and the wheel body should be lubricated with oil, but if the sealing ring is not good, it is easy to produce oil leakage, so that the shaft and the shaft sleeve are easy to wear out without lubrication, resulting in the product can not be used. The causes of oil leakage are as follows: 1. The floating oil seal is unqualified; 2. The roundness of the product bushing is not enough; 3. The gloss of the pivot is not enough; 4. The gear oil is not up to standard; 5. Processing dimensional tolerances and so on. All of the above problems will cause oil leakage in the roller.

Oil spill inspection and exclusion

1. During the installation process, it should be strictly inspected according to the technical requirements of the parts, kept clean, and prevented impurities from entering the installation surface. In particular, even the presence of tiny dust particles on the sealing end face of the sealing ring can break the seal and cause oil leakage.

2. The sealing sleeve and sealing rubber ring need to be replaced with new ones if they are aging, deformed, scarred and broken.

3. When the spring elasticity is insufficient, it should be replaced, and its end face can be smoothed if it is uneven. When the pressure ring is warped, it should be repaired and leveled, and the sharp edge should be removed.

4. If the contact between the large and small sealing rings is not strict, it can be re-ground to make it have a uniform and continuous grinding ring belt. Do not touch the end face of the ring and disturb the mate ring. The thickness of the ring should be consistent, otherwise it must be replaced.

5. The thickness of the rubber ring is not enough, and it is allowed to wrap the asbestos rope to make it reach a tightness of /0.15~0.20 kg per square centimeter.

6. The wheel axle is bent, not round or the neck is worn, and the roller hub and the sealing shell are worn with the belt.excavator rollers 205-30-00172 PC200

7. When the bearing and sealing ring plane are worn, an oil-resistant rubber ring with a thickness of 2~4 mm can be placed between the sealing sleeve and the end face of the hub according to the degree of wear. Once installed, the sleeve assembly should be able to rotate freely on the hub. In addition, a gasket with an outer diameter of 100 mm, an inner diameter of 85 mm and a thickness of 1.5 mm can be used to compensate for bearing wear by pads between the outer ring of the bearing and the shoulder of the sealed housing support table. When the height of the sealing sleeve is less than 32 mm and the width of the bearing is less than 41 mm, it should be replaced with a new one.Excavator Track Rooler E215C

8. The paper pad on the roller should be kept intact and of appropriate thickness.

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