Adjustment Of Timing Between Needle And Rotary Hook - Brother BES-1240BC Instruction Manual

Chapter 10 Standard Adjustment

4. Adjustment of Timing Between Needle and Rotary Hook

140
Rotary
hook's point
242
1. Turn the power switch on.
2. Check that the machine pulley is at the stop
3. While the machine is at the stop position,
4. Pressing the START switch. "STEP" is
150
5. Turn the machine pulley manually until the
200
6. Press the STEP BACK/FWD switch to move
BES-940BC • BES-1240BC
position (at 100˚ of the scale). If not, turn
the pulley until it comes to the stop
position.
press the JOG switch ( ) while holding
down the STOP switch. "AJST" is indicated
on the display.
STOP
indicated. The rotary hook in each machine
head rotates to the currently set timing
position and the rotary hook can be adjusted.
START
relationship between the needle point and
the rotary hook's point can be easily
checked (at around 140 of the scale).
the rotary hook for each head to
adjustment.
• STEP BACK
For rotating the rotary hook little by little
in the clockwise direction
• STEP FWD
For rotating the rotary hook little by little
in the counterclockwise direction
Make this adjustment for each machine
head so that the needle and the rotary
hook's point can fit with each other.