How do I change the springs in my PlexiDor pet door?

The PlexiDor springs have a long lifespan, but can break with years and usage. Luckily, it’s a cheap fix – you can see the kit with spare parts here – and they are easy to replace.

The spring kit comes with instructions. The replacement procedure varies slightly with door size, so you can also find the instructions for your door here:

 

You can also watch a video with that shows how to change the springs step by step: