Timing Belt Tension Adjustment - Brother CS8000 Series Service Manual

Adjustment (Main Unit)
1. Remove giza tites (two), and remove the lower shaft bushing presser.
2. Turn the lower shaft bushing, and adjust the timing belt tension.
Timing belt deflection when a force of 2 N (200 g)
is applied to the center of the timing belt
XC2277001
3. While holding lower shaft A to the left, attach the lower shaft bushing presser using giza tites 5X16 (two).
Giza tite 5X16
torque:
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Timing belt tension adjustment

4 – 5 mm
Push-pull gauge (3 N)
1.18 - 1.57 N-m
4 - 5mm
2N (200g)
Lower shaft bushing
4 - 7