How to lubrication and maintenance for trailer axle
| Lubrication positionMaintenance positionSee diagram 2 for axle lubricating and maintenance positions | Initial driving | Every 10-20 days according to the real situation | Every three month | Every six month | When changing brake lining, or each year, or after 150,000 km road mileage |
| Lubricating / time | |||||
| 1 Cam bush | need | need | |||
| 2 Slack Adjuster | need | need | |||
| 3 Replace hub bearing grease | need | ||||
| Maintenance / time | |||||
| A Check if wheel nuts are tightened | need | ||||
| B Pull the slack adjuster to check the wheel Brake clearance | need | ||||
| C Check the thickness of the Brake lining; its thickness should be no less than 6mm | need | ||||
| D Check the condition of the hub bearing | need | ||||
| E Check if the wheel hub cap is tightened | need | ||||
| Check the nonuniform wear of the Tires | need | ||||
| Visually check the damage and wear of all the components | need |
Lubrication of axles
Note: When replace or replenish lubricant, the grease nipple of lubricating coupler and the surrounding area must be kept clean.
Cam bush/ Bearing: For the lubrication of Cam bush: Add grease every three months; Fill in grease until new grease is overflowed around the nipple.
Slack adjuster: For the lubrication of Slack adjuster, add grease every three month; Fill in grease until new grease is overflowed around the nipple.
Replacing grease for wheel hub bearing: Each time when replace the brake lining, or at least once a year, or after the vehicle road mileage reaches 150,000kms, remove each part from axle in order, thoroughly clean the bearing and sealing and sealing parts (with diesel oil), check the wearing condition, if any part fails, replace it immediately. Clean the inside of the wheel hub, and then add grease. Apply 3~5mm thickness grease on the surface of the wheel hub cavity. Apply 6-10mm thick grease on the rolling surface of the outer race of bearing. The clearance of the rollers of the rollers of the inner race of bearing should be filled with grease. Note: We suggest that whenever remove the wheel hub bearing, the hub sealing ring should be replaced by a new one, so as to obtain safe sealing performance.
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