Timing Belt Tension - Brother XR9000 Service Manual

Adjustment

Timing belt tension

1. Loosen the pan head screw (S/P washer, M4 x 8) on the tension pulley assy..
2. Adjust the tension pulley assy. forward and back so that there should be 4 to 5mm slack in the timing belt when
the center of the belt is pressed with a force of 1.96N (200g).
3. Tighten the pan head screw (S/P washer, M4 x 8) on the tension pulley assy..
XC2277001 Push-pull gauge (3N)
4 - 5mm
Pan head screw
(S/P washer, M4 x 8)
1.96N (200g)
Tension pulley assy.
4 - 3