Nawlens Gator
Member
I use a IH 1300 sickle mower behind a IH 140. The belt between the drive and flywheel pulley has a belt roller bushing on the lower belt, and an idler pulley on the upper belt. When I bought the mower (used), the belt went below the top idler pulley, which was used to set the belt tension (this pulley is adjustable up and down). When I had the frame replaced and the mower refurbished at the local IH/Kubota place, it came back with the belt above the lower roller, and under the top belt pulley, which seemed OK. However the lower roller is just a bushing with a roller on top and corrosion caused it to cease and destroy the drive belt. The operators manual shows the belt below the lower roller and above the upper pulley and gives some complicated directions for adjusting belt tension. This doesn't seem reasonable because there is plenty of adjustment to use the top pulley for tensioning. The 1300 is similar to the 1100 and 1200. I'm curios to know if anyone uses the top pulley, and or bottom roller to adjust the belt tension.