Gearbox V2
11. S-Arm
Then put in the internal safety arm and screw it down. Make sure it moves, and the spring returns the arm.
12. Trigger
Add the trigger spring to the trigger (bottom side).
13. Insert
Put the trigger in the box with the spring. This can be tricky: The top goes in the switch, the spring needs to be inside the box with tension on it.
14. Reversal
Add the anti-reversal spring to the latch.
15. Latch
Put the anti-reversal latch in the gearbox.
16. Bushings
Put in the metal bushings.
17. Shims
Add shims to the gears. How many you ask, well that’s a whole different story. The short version: Enough so that the gears don't move around to much. And not so many that they add resistance to the movement.
18. Spur
Add in the spur gear.
19. Sector
Then add the sector gear.
20. Bevel
Then the bevel gear (the gear driven by the motor)
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