| Symptoms | Possible causes | Corrective measures |
| · The top surface of the belt is worn | 1. Wear with protective cover. | 1. Replace or repair the protective cover. |
| 2. The tension wheel is damaged. | 2. Replace the tension wheel. | |
| · The top corner of the belt is worn | 1. The belt does not match the pulley (the belt is too small) | 1. Use the correct belt-to-pulley combination. |
| · Side belt wear | 1. The belt slides. | 1. Adjust until it does not slide. |
| 2. The two pulleys are not on the same plane. | 2. Adjust to the same plane. | |
| 3. The pulley is worn. | 3. Replace the pulley | |
| 4. The size of the belt is wrong. | 4. Replace the belt with the correct size. | |
| · Wear at the bottom of the belt | 1. The belt does not match the pulley. | 1. Use the correct combination of belt and pulley. |
| 2. The pulley is worn. | 2. Replace the pulley. | |
| · Wear on the bottom of the belt | 1. The bottom of the belt reaches the bottom of the pulley groove. | 1. Use the correct belt and pulley to match. |
| 2. The pulley is worn. | 2. Replace the pulley. | |
| 3. There are debris on the pulley. | 3. Clean the pulley. | |
| · The lower part of the rubber is broken | 1. The diameter of the pulley is too small. | 1. Use a larger diameter pulley. |
| 2. The belt slides. | 2. Adjust to keep it from sliding. | |
| 3. The tension wheel is too small. | 3. Use a larger diameter tensioner. | |
| 4. Improper storage. | 4. Do not roll the belt too tight, fold or bend it to avoid heat and direct sunlight. | |
| · Burn or harden the lower cover or side wall | 1. The belt slides. | 1. Adjust so that it does not slide. |
| 2. The pulley is worn. | 2. Replace the pulley. | |
| 3. The design safety factor of the transmission device is insufficient. | 3. Refer to the GATES transmission manual. | |
| 4. The axis moves. | 4. Check whether the center distance changes or the bearings are damaged. | |
| · Belt surface hardening | 1. The environment around the transmission is too hot. | 1. Improve the ventilation conditions of the transmission. |
| · The belt surface peels, sticks or bulges |
FROM:sina.com.cn, gzadvance's blog