In the workshop Manual, operation 149 and drawing 45 are what you need to refer to. If you don’t have a cop[y you can download one from the members area https://traction-owners.co.uk/wp-content/uploads/2017/01/Light15_Manual_1938-5056_Print.pdf
Basically ‘Wheel Camber cannot be adjusted’ – if out of tolerance ‘1 degree plus or minus 0.3 degrees’ then it says check the axle parts and hull alignment
David Faulkner