Brother TD-2020 Service Manual page 43

(6) Set the two guide holders to the adjuster rack L and the adjuster rack R, and
secure them with the five PStaite M2X4 CH screws.
(7) Pull the adjuster rack L and the adjuster rack R outward. Attach the adjuster gear
to the upper cover with the taptite cup B M2.6X6 screw.
NOTE: Be sure to keep the adjuster rack L and R in engaging position.
Adjuster gear
PStaite M2X4 CH
Guide holder
Adjuster rack R
Taptite cup B M2.6X6
Figure 3.5-4
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PStaite M2X4 CH
Guide holder
Upper cover
Adjuster rack L