TB-12 New Main Spring and Trigger Assembly

Replace old hammer and trigger.

PRINT WITH PETG OR ANY STRONGER FILAMENT

New Hardware needed:

M3 x 70mm steel rod

Compression Spring 8mm x 1.4mm x 50mm

(Outer Diameter x Wire Diameter x Length)

For Reinforced Spring Housing:

M3 x 12mm Countersunk Screw and Nut (two of each)

Super glue the "Main Spring Head Thing" onto the steel rod.

Vid for Installation: https://youtu.be/y9AMx__eWWM

Changelog:

• 14/03/2022: Added beefed up hammer. Mine (printed with PETG) just snapped today.
• 24/12/2022: Added new Main Spring Head

-09/05/2023: Added Reinforce Main Spring to counter spring housing splitting

Category: 3D Printing