ABB EasyLine EL3060 Series Instructions For Installation Start-Up And Operation page 61

Maintenance 61
Reseal Cable Glands after Opening
If the pressure-proof cable glands, through which the data transmission
cable and the 24 VDC connecting cable are routed to the flameproof
cylinder of the EL3060-Uras26 analyzer unit, have been opened, the
external nuts must be screwed tight with a torque wrench (size 20);
tightening torque = 17 Nm.