Collet torque test procedure should be carried out either on the regular schedule as specified in the maintenance procedure or when the collet fails to grip the tool fully during drill entry or retract.
Very important: never close the collet without a tool or blank fitted.
Torque tool kit Westwind part numbers:
Spanner fit to square on tool.
Torque meter fit to hexagon on tool.
Reset indicator needle to zero.
Hold collet still with spanner.
Push or pull the torque test meter until the tool slips, then read off dial.
This example shows a torque value of 0.80 Nm (320g).
Note: if torque values are below the minimum figures then carry out collet maintenance and repeat this procedure.