1. Untighten end tightening clamps (worm gear or nut & bolt). Do not remove end tightening clamps from Calder Coupling
2. Slip onto pipe or around opening Calder Repair Coupling on spigot end where two pipes connect.
3. Provide torque to tightening clamps ( nut and bolt or worm gear). Torque at least 60 inch pounds (6.7812 N°m). Tightening clamps are on outside of coupling.
