d;

...well being a basically lazy individual, I'd try just about anything else first, to avoid having to remove that whole assembly...and, if you took a pic of it, you can see it...and if you can see it, you can get one of those throw-away (rolled metal) 1/2" brushes (acid brushes), extended maybe by a chop-stick from the oriental restaurant of your choise, and bent just so, to reach around corners even....

220, 221, whatever it takes...