De-coke & valve overhaul

摘要

With performance a little down on his Ferguson TE-D 20 during ploughing matches, Andrew Hall takes action to remedy the problem. After attending to the rear wheels of the tractor during the summer and fitting 11.2-28 rear tyres in place of the larger 12.4/11-28 size and setting the track width to 48 inches, I was looking forward to the ploughing match season, as I thought I had everything sorted, but alas not!