2539/3540-centre pivot vertical stop  ou ~~~~~ 2539/3540-centre pivot vertical stop bolt out of clearance (37-43mm)20/08/20 SPT3(N) 2539:#1 BOG (V1 & V2 32mm) (Removed shim to 43mm) 3540:#1 BOG (V1 & V2 50mm) (Add shim to 43mm) Both security tight done .