This easy to use and read tool allows for accurate belt tension to be set after belt replacement, adjustment, or wheel service.
Use on secondary drive belts
Position the small O-ring over the 10 lbs. mark.
Position the U-shaped belt cradle against the bottom of the belt at a 90 degree angle and locate the large O-ring to a reference point, record reading.
Push upward on the rubber bumper until the small O-ring touches the bottom of the tool body.
Re-align the large O-ring to the reference point, difference in the reading is the belt deflection