3TECH TR-720L Manual De Usuario página 21

Application
For dental operation (drilling, polishing) with high speed dental bur.
Usage
Replacement of cartridge Fig. 7
– Take out the old cartridge
– Insert the standard test bar in the hole of cartridge chuck, then turn the cover remover anti-clockwise and remove the cartridge cap.
– Push the standard test bar to take out the cartridge.
Installing cartridge
– Open the cartridge cap, then take out the old cartridge and insert the new cartridge.
Fig. 7
Note: when replacing head cap, don't use the cover remover fi rst because the threads are pinpoint and can be easily damaged.
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