1、托辊正常使用寿命20000h上，一般不需维修。但根据使用场所和负荷的大小，应制定相应的维修日期，及时清洗注油维修，及时清理浮煤等。对有异常声响和不转的托辊要及时更换。

1. The normal service life of idlers is generally 20000h. However, according to the size of the site and load, the corresponding maintenance date should be worked out, timely cleaning of oil filling maintenance and timely cleaning of floating coal. The roller with abnormal sound and no rotation should be replaced in time.

2、更换轴承时，必须使轴承保持架开口向外，轴承装入托辊后，应保持适当的游隙，不得压死。

2, when changing bearings, the bearing cage must be opened outwards, and the bearing should be kept in proper clearance if it is loaded into idlers.

3、迷宫密封件应采用原厂配件，装配时应分别装入托辊内，不得套在一起装配。

3. Labyrinth seals should be made of original fittings. They should be installed in the idlers separately and not assembled together.

4、使用中托辊，应严防重物击砸托辊管体。

4, the use of idlers, should be strictly against heavy objects smashing the idler tube.

5、为确保托辊密封性能及使用性能，禁止随意拆卸托辊。

5, in order to ensure the sealing performance and performance of the roller, it is forbidden to dismantle the idler at will.

6、托辊使用前应仔细检查外观有无严重磕碰受损现象，旋转托辊应转动灵活，无卡阻。

6. The roller should be carefully inspected before the use of the roller, whether there is a serious knock or damage phenomenon, and the rotary idler should be flexible and free from blockage.

7、托辊的安装距离应视物流的种类和输送机特点运量大小经科学计算而定，避免过疏或过密安装。

7. The installation distance of idlers should be calculated according to the type of logistics and the volume of conveyors.

8、托辊安装应适应避免相互间磨碰。

8, the installation of the roller should be adapted to avoid grinding and touching each other.