JUKI LU-2800 Series, Руководство инженера

Страница: 34 / 143

– 22 –
(8) Feed adjustment
WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine.
Standard adjustment
1) Horizontal feed cam timing
2) Vertical feed cam timing
No. 2 screw
❶
❷
Main shaft
❸
❼
Lower shaft
A
B
[Conditions]
• Feed amount : maximum
• Timing : below
[Conditions]
• Feed amount : 6 mm
• When needle is lowered
and feed dog is rised.
Model
group
Model Timing
Z
LU-2810
Needle bat at lowest dead
point
LU-2810-6
LU-2810-7
LU-2860
LU-2860-6
LU-2860-7
Y
LU-2828-6
Position where needle is
aligned with blade point of
hook. (Hook adjustment
position)
LU-2828-7
X
LU-2818-7
LU-2868-7
❹
❺
❻
❹ ❹ ❹
❻ ❻ ❻
❺ ❺ ❺
Top end of needle ❹ , top
surface of throat plate
❺
and top surface of feed
dog ❻ are aligned.
Model group Z
Center of needle ❹
eyelet, top surface of
throat plate ❺ and top
surface of feed dog ❻
are aligned.
Model group Y
Top end of needle ❹
eyelet, top surface of
throat plate ❺ and top
surface of feed dog ❻
are aligned.
Model group X