There’s quite a lot you can do on farm to make sure air conditioning works as well as it can. The best bit? None of it is hard

Come Spring it’s easy to believe that your aircon has survived a winter. Out comes the low sun, cab fan(s) blow cool air and all’s well. But is it? As days lengthen and ambient temperatures creep up, the system will come under more stress and might wilt when you need it most. What can you do now to stay cucumbered in the cab?