Mark Evans from Kenray. Today’s short blog is talking a little bit about some of the common problems experienced with front drive belt formers.

Typically, you’ll see burn marks on the center of the PTFE strip. Either side of the PTFE strip you’ll see grooves that have been warn by the drive belts.
Here you can see the comparison between the old and the new PTFE strip.

We recommend you change these frequently as the uneven surface will compromise the back seal.
We would also recommend that when you change the PTFE strip, you change the drive belts at the same time. At Kenray,
In the example, shown the PTFE is replaced by stainless steel, which also assists in keeping the tube stable.

Thank you very much.