Step 3 of 5

Engage the firing mechanism

Push Part A up until you hear a click.

1. Confirm the depth is set to G — turn the nozzle counter-clockwise to adjust it.
2. Unscrew Part A counter-clockwise from Part B.
3. Place the tip of Part A against the plunger inside Part B and push firmly up into the injector body until you hear a click.
4. Set Part B aside.