How To Adjust The Cam Timing; Timing Of The Vertical Feed Cam - JUKI PLC-2710NM Instruction Manual

11. How to adjust the cam timing

11-1. Timing of the vertical feed cam

WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the following
work after turning the power off and ascertaining that the motor is at rest.
[Conditions]
・Amount of feed: 6 mm
・Alternating vertical movement amount: 3 mm
・When the needle comes down and the feed dog
goes up
❶
Top end of the eyelet of needle ❶ , top surface of throat
plate ❷ and top surface of feed dog ❸ are aligned
Lower shaft
D
C
❷
❸
❹ ❹
❺ ❺
– 16 –
1) Set the stitch dial to "6".
2) Set the alternating vertical movement dial to "3".
3) Tilt the machine head.
Loosen vertical feed cam setscrews ❺ (two piec-
4)
es).
Turn vertical feed cam ❹ in such a way that needle
5)
❶ , throat plate ❷ and feed dog ❸ are positioned
as shown in the figure on the left.
Tighten vertical feed cam setscrews ❺ (two piec-
6)
es).
7) Raise the machine head.