Due to the different road conditions and axle usage in each region, the maintenance cycle of Darong drum axle hub inspection provided below is only for reference.

As we all know, the hub of drum axle is one of the important components, which is directly related to the road driving safety of our vehicles. If the hub system cannot be inspected and maintained on time, our trailer will have a great safety risk. Let's look at the inspection and maintenance contents of the hub unit of the lower drum axle:

1. All parts in the whole hub unit: check the damage and wear of parts every time the hub or wheel is disassembled. Note that each time the hub cover is removed, replace it with a new hub cover washer.

2. Tire inspection: check the wear and damage of tires every three months or 25000km. When the tire wear reaches the defined value, replace the tires. It is better to replace both tires of the same axle at the same time.

3. Inner and outer bearings: check the clearance of the inner and outer bearings when the axle is driven for 6 months or 50000 km each time or after the wheel hub or wheel is disassembled. The specific method is to check whether the wheel rotates smoothly and whether there is abnormal noise. Replace the bearing and bearing grease every 2 years or 40000 km.

4. Wheel oil seal: replace the oil seal every 2 years or 40000 km.

5. Wheel nut inspection: check whether the wheel nuts are tightened correctly before and after the trailer's initial driving, initial loading and driving, and after the axle has been driven for 6 months or 50000 km each time, or after the wheel hub or wheel is disassembled and disassembled each time.

The above is the inspection and maintenance content of the wheel hub unit of Darong drum axle. As an important component unit of the axle, the wheel hub must be inspected and repaired in strict accordance with the relevant manuals to ensure the service life and performance of the product.