PS. To remove the lever from the cover, you need to unscrew the pinion which has a LH thread. To do this you need to insert the rack in such a way that after rotating the lever CW when viewed from above, it is left pointing to the left when the rack is forced against the timing cover. Laying the cover flat on a bench and then tapping the end of the lever with a soft mallet should loosen the pinion. However, there is a risk that the rack will break through the timing cover and so carefully heating the pinion first helps to prevent this.