Step 07.17 — B belt: leave the carriage and turn teeth-on at the left XY joint¶
Step 17 of 39 · Chapter 07 — A/B belts and tensioning
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Parts:
- the B belt · already on the bench
Do:
- Take the B belt end left along the X extrusion, below A, to the left XY joint.
- Wrap it 90° round the joint's lower, toothed idler, teeth meshing, so it runs forward along the left Y extrusion.
Check
B's teeth centred on the toothed idler, A on the plain stack directly above with a visible gap, and B leaves heading forward, no twist.
What you're looking at
B goes in one plane below A and the other way round the frame: both belts leave the left carriage half heading left, so B's first turn is the left XY joint — the one A merely passed on its way back — and its last is the right joint. The manual's B pages (p.136 → p.137 → p.138) run in exactly this order.
The left XY joint, one plane down. Below the plain F695 pair that A already wraps sits the joint's toothed 20T idler: B's first turn is on it, teeth meshing, turning the belt from X to forward down the left Y extrusion.
Source: Voron manual p.136 · Voron manual p.105