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Ah. I did think/try that but the black arm knocks into the siphon so it has to be angled (the previous one was angled and it's at the same position. I was thinking of sawing off the tip of the black arm to make it fit but then it would still be pulling it at an angle which wouldn't get the clean pull needed. However @Airhead 's suggestion of bending the wire arm sounds like it could be a winner. Will report back.
No. Move the black arm to the end of the square rod (towards the back of the cistern) so it sits directly over the flush mechanism.