Using these two values along with a straight edge and a pencil style tension gauge you can install a timing belt properly. Specifically the target tension is broken into two values deflection force and distance. Numerical Method (Force/Deflection)īy measuring the deflection of the timing belt with a known force the required tension can be applied. After the pre-tensioning steps are completed there are several methods for verifying proper final tensioning. Check to make sure that the timing belt teeth stay seated in the tooth grooves by rotating the drive system by hand. Before any final tensioning is to be applied make sure that the timing belt teeth are fully seated in the tooth grooves on both timing belt pulleys. Take up any loose slack in the timing belt by adjusting the center to center distance between the two timing belt pulleys. While a taut string or timing belt can stand a strong pull. ![]() Loose timing belt tensioning acts like a loosely-held piece of string, with a snapping action as in a high torque situation the string or timing belt will break because the added stress is more than the timing belt was designed to take.
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