Description

• Unlock the retaining screw. Press the gauge legs beyond the barrel.

• Insert the legs (wires) into the root gap space of the two pieces of pipe to be fitted. Turn the gauge 90°, being careful to apply a constant back pressure to the barrel.

• Hold the gauge as square as possible with fitting to obtain an accurate reading. 

• Lock the retaining screw. Reverse the 90° turn and remove.

• You’re now ready the increment opposite the red line.