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TMA Grand Master 2.6 – User’s Guide
4 Operating the Main Unit
5. Hold the front cog wheel firmly and loosen the rear cog wheel (marked with red) and turn it
anticlockwise about two turns (360-720 degrees), then remove the drill bit from the drill
chuck.
Figure 9 – Drill chuck
6. Insert the drill bit you want to use into the drill chuck, and push it inwards as much as you
can.
7. Hold the front cog wheel firmly and tighten the rear cog wheel (clockwise). Make sure with
the help of the tool that the upper cog wheel is secured firmly.
8. Insert the drill chuck into its position and fix it with the locking lever. Ensure that the two cog
wheels (motor and drill chuck) are aligned exactly.
9. Loosen the puncher chuck locking lever that keeps the puncher chuck in position
and remove
the puncher chuck assembled with the piston.
Figure 10 – Removing the puncher chuck
December 9, 2016 – Rev. 1
3DHISTECH Ltd.
34(92)