13W1762F065 (2011) Bolens Lawn Tractor

Hi Paul, thank you for reaching out. Here are some general instructions that will help you tighten the transmission belt: To adjust belt tension for your lawn mower, you will just need an adjustable wrench. Engage the blades of your lawn mower by employing the lever next to the steering wheel. Once engaged, push down on the spring and then grab hold of your mower’s belt. Even with the blades engaged, the belt should feel loose. Disengage the blades first before you do anything. This will make everything looser. The lack of tension will make any adjustments easier to do. After the blades have been disengaged, you can begin adjusting the tension of the mower deck belt of your lawn mower. To do this, move the bracket backward to which the spring is attached. Doing this will apply additional tension to the spring. Take hold of your wrench and use it to loosen the screws, which are usually found at the base of your mower’s bracket. Most of the time, manufacturers have two screws attaching the bracket to the deck. You do not have to take off the screws, however. You simply have to loosen them. Now that the screws are loose, you can begin to pull the bracket away from the spring and toward you. Using your wrench, turn the screws until they are tight. Ensure that they are tight enough so that the bracket does not get affected by any pressure. Get your hands on the lever and engage the blades. This will make everything tighten up again. Next, check the deck belt of your lawn mower. Ideally, the belt should feel tighter and the spring should be stretched further. We hope this information helps!