Before you start
Before starting any work, check that the machine is firmly fixed to the wall or freestanding leg.
Select which of the four situations below best matches your clamp issue, then scroll down to the relevant section. If you are not sure what your issue is, please start at the top and work through each section to diagnose.
Due to aluminium tolerances, there may be a small gap between the middle of the clamp and the spine when it is closed and touching at the top and the bottom. The design of the clamping system takes this into account and will not affect its clamping ability. If the gap is more than 1-2 mm check the following:
There could be a number of reasons the clamp seems to have reduced pressure compared to normal. Follow the steps below to find out what could be causing this in your machine.