Remove all gears near to the central gear. Once partially on open the vice to the shaft thickness and place the teeth each side and gently tap the shaft down leaving 1mm play. Used model railways and collections always wanted.
Peters Spares PS8 Replacement Triang Hornby X67 Carbon Brushes (Pk2) X03 X04 EMB
Peters Spares PS106 Replacement Hornby S8910 Oval Buffers (Pk4) Plastic
Peters Spares PS107 Replacement Hornby S8911 Round Buffers (Pk4) Plastic
Peters Spares PS40 Replacement Hornby A4 Nose with Buffers