How to change length of the nozzle:
1. Uscrew the nuts:
2. Remove the conv. kit:
3. Unscrew front end:
4. Unscrew nozzle mount:
5. Make the washer
6. Put the washer between thread and collar of the nozzle holder:
7. You can regulate backward movement of the nozzle by removing/changing rear washer. It has in stock 0,4mm. You can also add bit bigger for the opposite effect.
8. Put all together.