Brother PR655 - Thread Take-Up Driving Lever Final Assembly

3 - 41
Main unit
Upper shaft unit
Assembly Assembly
7 Thread take-up driving lever final assembly
1. Attach the roller 2 to the thread take-up differential lever 1, and tighten
the thread take-up roller pin 3.
2. Attach the spacer 4 to the thread take-up differential lever 1, and
temporarily tighten the screw 1.
3. Attach the roller shaft assembly 8 to the thread take-up driving lever 9
with the nut (1, M5) 0 and the spring washer (2-5) A.
4. Apply MOLYKOTE EM-30L to the shaft hole 5 on the thread take-up
bearing.
5. Thread the thread take-up lever assembly's shaft 6 through the hole on the
thread take-up bearing, attach the thread take-up differential lever
assembly to the tip of the thread take-up driving lever assembly's shaft, and
temporarily tighten the screw 1.
*Key point
• Temporarily tighten the screw 1 first. Firmly tighten it after
completing thread take-up differential lever height adjustment
in 3 - 58 "Needle bar case final assembly attachment".
6. Apply MOLYKOTE EM-30L to the thread take-up differential lever's
roller 7.
Apply MOLYKOTE EM-30L to the shaft hole on the
thread take-up bearing.
Size of a grain of
rice
Apply MOLYKOTE EM-30L to the thread take-up
differential lever's roller.
Size of a grain of
rice
Tightening torque of thread take-up roller pin: 0.78 - 1.18 N-m
1
Torque
Hand start
2
6 5
3 1
1 4
7 1
8
0
9
A
Bolt, Socket
M5X12