Brother B-500, Руководство по обслуживанию

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3 - 12
Feed mechanism Main unit
2
Attachment of Inner rotary hook assy.
1. Attach the inner rotary hook assy.
1
to the outer rotary hook assy.
2
.
1 2
3
Attachment of Lower shaft bushing
1. Attach the lower shaft bushing 1 to the arm bed with the screw 1 .
1
Torque
1.47 – 1.96 N·m
1
1
Taptite, Bind S
M 4X10
4
Attachment of Tension pulley assy.
1. Set the tension pulley assy.
1
to the arm bed, and then tighten the scerw
1
temporarily.
*Key point
• Fully tighten the screw after performing "4-5 Adjustment of
Timing belt tension".
1
Torque
1.18 – 1.57 N·m
1 1
Screw, Pan (S/P washer)
M 4X10