What do you need to know about buying a pulley?

What do you need to know about buying a pulley?

You must find a pulley that matches OEM specifications as closely as possible to ensure the proper operation of your machinery. With the right information, you can get it done quickly. Begin by laying the old pulley on a flat surface. Now, place your ruler or caliper on top of the pulley. Make your measurements carefully.

Do you need to measure the belt width of a pulley?

The pulley flat width is also called the belt width. Again, you’ll only need this measurement if you’re replacing a flat idler pulley. The best tool for this measurement is a caliper. If you don’t have one, you may want to buy one, especially if you’re repairing mission-critical equipment.

How do you attach an extension spring to a pulley?

Here’s one that might help you. Tape the pulley wheel to the steel cable. It might sound weird but the pulley wheel has a special relationship with the cable that it pulls. Taping it to the cable will allow you to easily attach the pulley to the new extension spring.

What to do if pulleys don’t track properly?

Tighten mounting. Check level and alignment of pulley shaft or belt will not track properly. If bearing is excessively worn, replace with new bearing. Check fit of inner race to ensure against bearing distortion. Check level and alignment at pulley shaft. Check shaft for straightness. Remove pulley to replace shaft.

What should I do if my lawn mower pulley is not working?

Below are some common pulley problems you may encounter, the possible causes of those problems, and our recommendations on how to fix the problems. Replace with new bearing. Remove pulley and replace shaft. Inspect for damage to bearings and replace as necessary. Adjust tension at take-up device.

What happens if your idler pulley goes bad?

Another symptom, more visible, symptom of an issue with the idler pulley is a damaged bearing or pulley. In more serious cases, the bearing, or pulley itself may wear out to the point of breaking or cracking, and coming apart, or seizing. This can upset the rotation of the belt and lead to all sorts of problems.

What to do if a pulley bearing is worn out?

If bearing is excessively worn, replace with new bearing. Check fit of inner race to ensure against bearing distortion. Check level and alignment at pulley shaft. Check shaft for straightness. Remove pulley to replace shaft. Inspect bearings for damage and replace as necessary. Tighten bearing lock mounting bolts.