Brother BC800, Service Manual

Page: 61 / 134

3 - 10
Main parts Main unit
12
Tension pulley assembly attachment
1. Attach the tension pulley assembly
1
to the arm bed cover with the 2
screws
1
.
2. Attach spring .
*Key point
• Perform "4 - 3 Timing belt tension adjustment.
1
Torque
1.18 – 1.57 N
·
m
S09
1 1
S09
S09
Giza Tite
5X16
Color; Gold
19.8
5
SPRING
XC2538***
12-1
Tension pulley ASSY assembly
1. Align the boss
3
on the tension pulley holder
2
with the hole on the
tension pulley assembly
1
, and secure the tension pulley assembly with
the screw
1
.
1
Torque
1.18 – 1.57 N
·
m
1
1
2
3
Screw, Pan (S/P washer)
M 4X8DA
Color; Silver
13
Main motor assembly attachment
1. Hang the motor belt
2
over the main motor assembly
1
.
2. Attach the main motor assembly
1
to the arm bed cover assembly with the
2 screws
1
.
*Key point
• Perform "4 - 4 Motor belt tension adjustment.
1
Torque
0.29 – 0.49 N
·
m
1 2
1
Giza Tite
5X16
Color; Gold
13-1
Main motor assembly
1. Attach the main motor
2
to the motor holder
1
with the 2 screws
1
.
2. Attach the motor fan
3
.
1
Torque
0.59 – 0.78 N
·
m
1
3
1
2
Screw, Pan (S/P washer)
M3X8DB
Color; Silver