Worked like a charm, good to know what to do if that should happen again.
The Allen bolt that controls the position of the outboard pad (opposite side of the brake to the one you've just adjusted and 2.5 mm) turns much more freely than I'd like on mine. It might be worth checking that one as well.
@Cranky started
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Worked like a charm, good to know what to do if that should happen again.