Brother B-500, Руководство по обслуживанию

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Feed and bobbin module Modules
19
Attachment of Outer rotary hook assy.
1. Insert the outer rotary hook shaft
1
into the spacer
2
, the outer rotary
hook assy.
3
, the washer 6
4
, the spacer
5
and the shaft supporter
6
,
and then attach it with the screw
1
.
*Key point
• Turn the lower shaft so that the large one of the feed cam is
depth and the hole of the lower shaft is the upper side, and
then attach so that the match mark on the rotary hook faces
forward.
Apply MOLYKOTE EM30L to the shaft supporter
surface. Small amount
XC8385***
Lubricate the outer rotary hook shaft with the
OILER. Apply liberally
XZ0206***
1
Torque
0.78 – 1.18 N·m
6
5
1
4
3
2
1
Set Screw, Socket (CP)
M4X6
20
Attachment of Inner rotary hook bracket assy.
1. Attach the inner rotary hook bracket assy.
1
to the base plate assy. with
the screw
1
.
*Key point
• Check that the positioning hole 2 to the inner rotary hook
bracket assy.
1
engaged with the boss
3
of the base plate
assy.
• Refer to "4-23 Adjustment of Inner rotary hook bracket
position".
1
Torque
0.59 – 0.78 N·m
1
1
2 3
Screw, Pan (S/P washer)
M3X6
21
Attachment of Feed dog
1. Set the feed dog
1
to the feed bar
2
, and then tighten the 2 screws
1
temporarily.
*Key point
• Fully tighten the screw after performing "4-21 Adjustment of
Front/back, left/right position of feed dog".
1
Torque
0.78 – 1.18 N·m
1
1
2
Screw, Bind
M 3X6