Direct Fastening Technical Guide , Edition 22
Single point connection type A :
Upper nut Lock washer Cable lug Bottom nut
Single point connection type B : Lock washer
Cable lug Conductivity disc
Coated base material
Nut
Sealing ring Uncoated base material
Double point connection type A :
Upper nut Lock washer Cable lug Bottom nut
For type B cable connection the following requirements have to be observed ::
• The conductivity disc must be in direct contact with the non-coated base material . Coating has to be removed with the coating removal drill bit .
• Tightening torque of 5.90 ft-lb ( 8 Nm ) must be observed accurately .
Torque recommendation Single point connection type A and double point connection type A :
T inst
min . 8 Nm
Hold the bottom nut with a spanner while tightening the upper nut .
Tightening torque : Min . 5.90 ft-lb ( 8 Nm ) Max . 14.75 ft-lb ( 20 Nm )
8 Nm
T inst
The tightening torque is 5.90 ft-lb ( 8 Nm ). Exceeding or falling below this tightening torque value is not allowed . Tighten the nut using the torque tool X-BT 1 / 4 ” ( 8 Nm ), torque wrench , or Hilti screw driver SBT 4-A22 , SFC 18-A ( torque setting 5 ) with socket S-NS .
These are abbreviated instructions which may vary by application . ALWAYS review and follow the instructions accompanying the product .
97