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AssembleLeft Arm ModuleUpper Arm Assembly

Step 5: Connect the Shoulder Cable Connectors and Position the Actuators

Seat actuator ID 14 in part 400_14C, connect the XT30 (2+2) cable connectors to actuators ID 14 and ID 15, and route the single-ended cable through actuator ID 15.

Parts needed

PartCount
Actuator housing from Step 41
(ID 14)1
(ID 15)1
100 mm double-ended XT30 (2+2) cable1
180 mm single-ended XT30 (2+2) cable1
3
6
ThreadlockerAs needed

Instructions

Take part from Step 4 and put it flat on a surface, with the inner hollow part facing upward.

Place the (ID 14) into the round hollow. The ports on the actuator should be near to the top, and the shaft facing the bottom. The two ports of the actuator should be parallel with the length of .

Connect one connector of the 100 mm double-ended XT30 (2+2) cable to the outward-facing port on (ID 14) and the other connector to the outer port on the (ID 15).

Connect the XT30 (2+2) connector of the 180 mm single-ended XT30 (2+2) cable to the center port on (ID 15), then route the cable through the actuator's hollow shaft.

Turn the current assembly upside down.

Align the threaded holes on the shell of (ID 15) with the three hole at the bottom of the long end of Part .

Take 3 of and lightly tighten into the three hole on part to align the part with the actuator.

After the parts are aligned:

  • remove 3 of one at a time,
  • apply threadlocker,
  • then tighten them back to secure Part and the actuator together.

Take 6 of and lightly tighten into the 6 holes on the surfaces of Part to align the part with the actuator.

After the parts are aligned:

  • remove 6 of one at a time in a star formation,
  • apply threadlocker,
  • then tighten them back to secure Part and the actuator together.

Tighten the 3 bolts we have put in place in Step 4 Instruction 3 around the circumference of the part. Don’t over tighten it, it is just meant to secure the actuator in place.

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