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Maximum Force: 231 lbs.
 
Operation:
Study belt manufacturer's manual to determine recommended force and tension ranges for the specific belt being tested.
Clamp instrument anywhere along the belt, preferably centered, and insure that the 1/8" bar (below the belt) is located between cogs.
Simultaneously tighten eye-bolts until desired force is indicated on the center unit or desired belt tension shows on the two outside plunger rods.
Tighten (or loosen) belt until the top of the belt is located halfway up the sighting holes.
At this point, you have achieved proper belt tension.
 
Manufactured and protected under the following United States Patent and Trademark Office patent numbers: 3171278, 3352153, 3391574, 3482442, and 3596508.
Made in the USA.