Arrival of 1pm today the return visit. The gate arm and the spindle arm broke at the pivot rivet. Got a smooth shank bolt that is close but not an exact fit. Welded the nut on so it cannot back off under operation. It has some slop to it but that is because this is a normally very tight joint as it has a zerk fitting. Will contact manufacrurer and get cost and eta for replacement arms for this gate. This is a temp fix as they want gate working asap. Highly recommend getting the manufacturers armature pieces as they fit precisely.