Ch 0234 / 44
Step 02.34 — Flip the tensioner latch closed¶
Step 34 of 44 · Chapter 02 — Z drives, Z idlers, Z rails, deck panel
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Parts: none.
Do: Swing the tab toward the motor, in the direction of the p.44 arrow, until it lies flat and seats in the notch. The lobe moves the motor foot ~2–3 mm away from the drive body, which must not move.
Check
Tab flat in the notch and the loop taut: turning the motor shaft by hand spins the 80T with no slip or belt skip.
What you're looking at
Manual p.44: the cam being rotated closed. Closing it is what tensions the belt; the arrow on the page is the direction that pushes the motor foot away from the drive body. The tab ends flat in the notch in the foot's outer edge.
Source: Voron manual p.44 · Voron-2 CAD Voron_2.4r2_Assembly_STEP.zip @ de7e89d (cam throw)