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Needle bar, presser mechanism / Upper shaft mechanism

Application of Assembly

Application

1 Attachment of Plate spring

1. Set the adjusting plate 1 and the plate spring 2 in this order from the

inside of the rear cover assy. with the 2 screws 1.

2. Fully tighten the adjusting screw 3 to the plate spring 2.

Torque

0.78 – 1.18 N·m

Taptite, Bind B

M4X10

2 Assembly of Upper shaft assy

1. Attach the pulley 2 to the upper shaft assy. 1.

3 Assembly of Tension pulley assy

1. Align the boss 3 of the tension pulley holder 2 with the hole of the

tension pulley assy. 1, and then temporarily tighten the screw 1.

*Key point

• Fully tighten the screw 1 after performing "4 - 4 Adjustment :

Timing belt tension".

Torque

Hand start

Screw, Pan (S/P washer)

M4X8

Brother CS5055PRW User Manual

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