How to save on brake pads


One of the key responsibilities of the competent specialist of the fleet responsible for functioning and / or maintenance of rolling stock, select such friction pairs (brake shoe + brake disc), which most best meet specific objectives. Only in this case it will be possible to ensure maximum savings and unconditional road safety. How to do it? The cycle of articles on this topic continue the 4th article.

Expert article:

In previous articles, we learned to choose to choose the friction pairs (block + disk) and figured out how to professionally evaluate the residual thickness of the brake disc. Let me remind you that we are convinced that for Russian operating conditions, the METOR MAX series brake pad will be the optimal choice in a pair with a Meritor Disk of the MBR5000 series.

Now I propose to start a conversation about what to do if the pair of friction is chosen correctly and it is good, but the resource still leaves much to be desired — «the block goes little.»

One of the common causes of intensive wear of the brake pads and the disks is the malfunction of the braking mechanism, traditionally, although it is incorrectly called «Caliper».

The tasks of the modern engineering school include not only the reliability and durability of the products being developed, but also the optimization of the material consideration and complexity of their production. Simply put, in modern brake mechanisms, you can hardly find an extra kilogram of metal, excessive amounts of threads or «unnecessary» hole. At the same time, unconditionally caliper will ensure complete safety and resource in the calculated loads. Under these settlement loads and the mechanism will be very precisely designed. The accuracy of the calculation «Circling» us on the study of the caliper’s work as part of a specific car model. Universal calipers practically did not remain. With their external similarity, even within one series, for example, Meritor ELSA195 / 225, which are equipped with Volvo, Renault, Man, Iveco trucks, you can detect a lot of differences, at first glance, minor, but very important for proper and safe work. On a specific car model.

The modern caliper is designed not only taking into account the friction pairs used in it, but also, taking into account the design of the beam (bridge), the load on the axis required slowing down, etc.

The accuracy of the calculation and precision of the manufacture is determined and the need for timely professional service. The work of the mechanism in difficult load conditions at high temperatures requires the use of repair components made with ideal (to hundredths of a millimeter) accuracy and from strictly defined materials. Otherwise, the resource of the entire node will not be guaranteed, and the braking mechanism failure is very likely (this is not «for the red sense», the options for failures for the cause of incorrect maintenance we will consider in the following articles).

Good news concluded that:

• The caliper maintenance is not time consuming and does not require frequent repetition, subject to the compliance with the technology and the use of high-quality repair components. Maintenance technologies manufactured by us brake mechanisms You can find in the open access by reference however, warned you from performing self-repair at this stage. Reading the literature is necessary, but not enough to serve mechanisms, the health and health depends on the health. You have the opportunity to visit the seminar that I spend for mechanics.

• diagnostics of the state of the braking mechanism does not require the use of special tool (provided that no one climbed into the caliper «) and takes a minimum of time

• Repair kits for repair and maintenance of calipers Meritor We produce the developer and manufacturer of the calipers themselves, and you can be sure of their quality. Remkomplektov catalogs can be found on the link:

As usual, the format of the article does not allow me to tell you all the useful information for you immediately. But I will definitely continue in the following articles a story about typical faults and methods for diagnosing the state of brake mechanisms Meritor