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. 2023 Aug 30;16:e00469. doi: 10.1016/j.ohx.2023.e00469

Table 8.

Modification instructions. Component numbering per Table 2, Table 3.

Component(s) Modification
16 Use the leadscrew modification drawing to turn a shoulder and groove onto the leadscrew shaft, and cut to length.
19 + 20 Cut the pallet shaft and gearbox pinion shaft down to 10  mm .
21 + 28
a Using a scalpel, remove one of the two actuator lever arms. Remove the hook at the end of the remaining arm.
b Using a scalpel, cut the flex circuit from the shutter motor, trimming the edges so they do not extend out from the motor body. Cut the connections off one end of the 2 position cable, and solder to the exposed wires of the 460  Ω coil.
23 Cut two 5.5  mm sections from the brass tube. Ensure the exposed ends are flat.
25 Cut two 10  mm sections from the brass tube. Ensure the exposed ends are flat.
31 Use the leadscrew nut modification drawing to turn down the flange of the nut, and drill and tap two holes for grub screws.