Brother B-500, Service Manual

Page: 35 / 211

2 - 18
Electrical parts and main motor Main unit
4
Removal of PWSW assy.
1. 1. Remove the PWSW assy.
1
from the insulation cover
2
.
*Key point
• Remove it from the backside of the insulation cover 2 while
pushing the hooks (2 locations).
1
2
5
Removal of Pin jack assy.
1. Remove the nut 1 , and then remove the pin jack assy. 2 from the
insulation cover
3
.
2. Remove the ferrite core
4
from the lead wire of the pin jack assy.
2
.
4
3
2 1
6
Removal of Main motor sub assy.
1. Cut the band
1
.
2. Remove the 2 screws
1
, and then remove main motor sub assy.
2
from
the arm bed.
3. Remove the T belt
3
.
2
3
1 1
6-1
Disassembly of Main motor sub assy.
1. Remove the motor fan
2
from the main motor sub assy.
1
.
2. Remove the 2 screws
1
, and then remove the main motor sub assy.
1
from the motor holder
4
.
3. Remove the screw
2
, and then remove the coaching clip
5
from the
motor holder
4
.
*Key point
• Be careful not to break the wing of the motor fan 2 .
2
1
2 4 5
1