I had a similar situation with a steel frame - Prise it open enough to get a battered 27.2 down - find something to wedge between/apart the two 'ears' to push them back out and leave it to cold-set for a few days.
@D_Mars started
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I had a similar situation with a steel frame - Prise it open enough to get a battered 27.2 down - find something to wedge between/apart the two 'ears' to push them back out and leave it to cold-set for a few days.