Bio-Rad Helios® Gene Gun System - Manual (Page 28)

Fig. 12. Positioning the cylinder lock and the push bar in preparation for loading a cartridge hold-
er into the Gene Gun.
The cylinder lock has been pushed forward and into the slot on the right to move
the locking pin away from the opening occupied by the cartridge holder. Likewise, the push bar has
been pulled to the left to increase the space for inserting the cartridge holder.
Fig. 13. Inserting a cartridge holder into the Gene Gun. Pulling the cylinder advance lever in moves
the barrel forward to increase the space for inserting the cartridge holder behind the barrel liner. The
cartridge holder is inserted with the labeled position number 12 (visible at the top) in line with the center
of the Gene Gun (see also Fig 12).
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