Originally Posted by
Iride01
You also need to see if there is a barrel adjuster on your shift lever for the cable. As well, the one on the brake body looks all the way in, so maybe too slack a cable that doesn't pull enough.
SOP with cable operated disc calipers is to take up the slack with the pad adjuster, and use the cable adjuster only for light wear and fine tuning the lever feel - if you're using much cable adjustment it's time to slacken it off and screw in the pads.