The S1 belt model is 2GT-9 belt, the single belt length is 1345mm, and there are three belts on the T1 machine.
Belt stretching deformation
Tape
New belt
H3.0 hexagonal wrench
¶ 3. Tape the two ends of the new and old belts together;
¶ 4. Pull the old belt to make the new belt pass through the motor synchronous wheel, remove the old belt, and fix one end of the new belt to the pulley;
¶ 5. Pass the other end of the new belt through the synchronous belt tensioner and install it to the pulley;
¶ 6. Fix the belt tensioner, readjust the tension of the belt, and re-level and compensate for vibration.
https://youtu.be/J9mMeFbv1RA