Screw the bolt tensioner onto the protruding end of the bolt

STEP 1:

STEP 2:

STEP 3:

STEP 4:

Connect hydraulic pump with bolt tensioner; pressurize tensioner until it reaches the required hydraulic tractive force Fh on the bolt

Keep the pressure and turn down the nut by hand


STEP 5:

Release the pressure, and  return the piston. Residual load on the bolt is Fo



Unscrew the bolt tensioner from the protruding end of the bolt