Adjustment Of The Machine Head (Application); Needle-To-Hook Relation - JUKI PLC-2710V Instruction Manual

8. ADJUSTMENT OF THE MACHINE HEAD (APPLICATION)

8-1. Needle-to-hook relation

WARNING :
To protect against possible personal injury due to abrupt start of the sewing machine, be sure to change
over the operation mode to the "hook timing adjustment mode".
The presser foot automatically goes up when changing over the operation mode to the "hook timing
adjustment mode". In addition, the presser foot also comes down when the "hook timing adjustment
mode" is finished and the power is turned OFF. Be sure carry out the operation while keeping your hands,
etc. away from the presser foot.
For the sewing machine which is provided with the stitch skipping detecting device, the light emitted by
the sensor LED may light into the eye to cause dazzling when adjusting the hook timing.
To avoid this, cover the LED before adjusting the hook timing.
[Hook timing adjustment mode]
The hook timing adjustment is used when adjusting the needle-to-hook timing, etc.
<Sewing screen>
<Mode screen>
<Hook timing adjustment mode screen>
❶
1) Keep
The "mode screen" is displayed.
2) Select "9. Hook timing adjustment mode".
❶
3) The sewing machine is changed over to the
"hook timing adjustment mode".
The presser foot goes up. In this state, the
needle bar position can be adjusted by turning
the main shaft by hand.
The current position of needle bar is displayed
at section A.
When
A
adjustment mode" is finished. Turn the power
OFF.
– 95 –
❶ held pressed for three seconds.
❷ is pressed, the "hook timing
Under the "hook timing adjustment
mode", the jog dial is disabled. Adjust
the position of needle bar by turning the
main shaft by hand.