Remove the lid from the top of the cistern of the toilet and set aside in a safe place.
Unhook the metal 'C' link connected to the 'Handle Lift Arm' inside the cistern. If you can’t do this using your fingers, use a needle nose pliers.
Loosen the screw that clamps the 'Handle Lift Arm' to the flush handle.
Remove the nut inside the cistern that holds the handle in place. Screw off in a clockwise direction, as this is a reverse threaded nut. Use the adjustable wrench if necessary.
Remove the old flush handle.
Insert the new flush handle and replace the nut on the handle inside the cistern. Tighten the nut using the adjustable wrench.
Re-attach the 'Handle Lift Arm' on to the end of the new flush handle, then hook back on the metal 'C' link.
Tighten the screw that secures the 'Handle Lift Arm' to the handle.
Test the handle to make sure the toilet is flushing properly.
Replace the lid on the cistern to complete the job.
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