Upper Thread Tension Adjustment - Brother NX600 Service Manual

Adjustment (Main Unit)
1. Raise the presser foot lifter.
2. Turn the thread tension dial to the "Auto" position.
3. Pass a Schappe Spun Sewing Thread #60 through the thread guide => tension plate => tension disk => plate
assembly.
4. Lower the presser foot lifter.
5. Pull the thread with a tension gauge, and adjust the thread tension adjusting screw depth for 0.3 – 0.35 N (30 – 35
g).
6. Apply a small amount of screw locking compound to the thread tension adjusting screw.
Screw locking compound for thread tension
adjusting screw
XA9154001
4 - 14

Upper thread tension adjustment

Small amount
Tension gauge 50 (0.5 N)