Maintenance requirements and methods of dowty retarder

As a necessary equipment for railway speed control system, the dowty retarder is more and more widely used. What are the maintenance requirements and methods of dowty retarder?

Maintenance requirements

1.Always check whether the mounting bolts are loose, and tighten them if they are loose;

2.Before winter, when the ambient temperature is below 0 ° C, the lubricating oil in the casing should be replaced with winter oil. After spring, change to lithium grease.

3.Other requirements implementation standards: TB / T2664-- 1997 requirements for installation, operation and maintenance of dowty retarder.

Maintenance methods

1.Using needle-nose pliers, pull out the stop spring pin and pull out the cylinder assembly;

2.Remove the cylinder assembly with an inflator;

3. Take out the piston assembly, remove each part in turn, and pour the oil out of the oil cylinder;

4.Remove the O-ring on the sealing cap and scrap it;

5.Clean each part and make its surface dry;