5
GMV SnapDrill 2021
2. Referring to fig. 2, fasten the snap drill to the tube by tightening the jaws against the tube by
rotating the thrust lock nut clockwise against the thrust ring by the help of the handle levers. Use
both hands for final tightening.
3. Referring to fig. 3, check that the feed nut is in the rear position before start. Lubrication directly
in the hole saw ahead of drilling is recommended. Use the battery drills “drilling mode” (drill
symbol) on the torque switch. Use battery drill gear stage 1. Start the battery drill clockwise
pushing the button fully down to achieve full torque. Gently rotate the feed nut outwards to
engage the clutch. The hole cutter will now move outwards and cut the hole in the tube. Drill
continuously, until the hole saw is fully through the pipe.
