Driving Jump Assembly Attachment - Brother PR655 Service Manual

Main unit
14

Driving jump assembly attachment

1. Attach the driving jump assembly 1 to the arm bed with the 2 screws 1.
*Key point
• Adjust the attachment position of the driving jump assembly 1
so that the clearance 2 between the driving jump assembly's
J driving lever bearing and the J-clamp final assembly's jump
bracket is 0 to 0.2 mm.
1
15
Tension pulley assembly attachment
1. Attach the tension pulley assembly 2 to the motor holder base 1 with the
screw 1.
*Key point
• Temporarily tighten the screw 1 first. Firmly tighten it after
completing 4 - 16 "Timing belt tension."
2. Attach the tension pulley final assembly to the arm bed with the 2 screws 2.
1
2
Upper shaft unit
Screw, Pan (S/P washer)
1.18 — 1.57 N-m
M4X10
Screw, Pan (S/P washer)
Hand start
M4X10
Taptite, Bind S
1.47 — 1.96 N-m
M4X10
3 - 47
Torque
1
Torque
Torque
1
1
2
1
2
2