Timing belt change

Two years later and they’re due to be changed again. I didn’t do it myself last time after all and paid a trusted mechanic to do the job. I’d like to repaint the covers now and they’re tricky to get off as the oil pressure switch cable is really tight to get the top cover past. My question is......can this be removed from the casing to allow the top belt cover to be removed ? Thanks in advance for any advice on this guys.