Main Motor Assembly Attachment - Brother PE770 Service Manual

Main unit
5

Main motor assembly attachment

1. Attach the timing belt 1 to the upper shaft timing pulley and the motor
pulley, align the main motor assembly 2 with the arm bed and hand start
the 2 screws 1.
(Fully tighten after 4 - 7 "Motor belt tension").
1
6
Motor fan attachment
1. Attach the motor fan 1 to the main motor assembly 2.
*Key point
• Be careful removing the motor fan 1 because the wings of the
fan are very fragile.
7
Base plate rubber attachment
1. Attach the 4 base plate rubbers 1 to the base plate.
2. Attach the adjusting screw assembly 2.
8
Inlet assy. and base plate cover attachment
1. Attach the inlet assy 1 to the base plate using the screws the screw 1.
2. Attach the base plate cover 2 to the base plate with the 2 screws 2.
1
2
3 - 26
Electrical parts and motors
Upset
4X12DB
Screw, Bind
M4X6
Screw, Bind
M3X5
Torque
Hand tighten
2
Torque
1.18 — 1.57 N·m
Torque
0.78 — 1.18 N·m
2
1
2 1
1
2
1 2
1
2 1