JUKI LU-2810 - 22. ADJUSTING THE BOBBIN CASE OPENING LEVER

– 22 –
22. ADJUSTING THE BOBBIN CASE OPENING LEVER
LU-2810, LU-2810-7
1) Turnthehandwheelinthenormaldirectionof
rotationtobringbobbincaseopeninglever
❶
to
theclosestpositiontoinnerhook
❷
.
2) Turninnerhook
❷
inthedirectionofthearrow
untilstopper
❸
ispressedagainsttheslitsin
throatplate
❹
.
3) Loosenbobbincaseopeninglevercrankset-
screw
❺
.Adjusttheclearancebetweenthe
bobbincaseopeningleverandprotrudingpor-
tion Aofthebobbincaseto0.7to0.9mm.
 Tightensetscrew
❺
whilepressingdownbobbin
caseopeninglevercrank
❻
.
LU-2860, LU-2860-7
1) Turnthehandwheelinthenormaldirectionof
rotationtobringbobbincaseopeninglever
❶
to
theclosestpositiontoinnerhook
❷
.
2) Turninnerhook
❷
inthedirectionofthearrow
untilstopper
❸
ispressedagainsttheslitsin
throatplate
❹
.
3) Loosensetscrews
❼
ofthebobbincaseopen-
ingleversleeve.Adjusttheclearanceprovided
betweenthebobbincaseopeningleverand
projection
A
ofthebobbincaseto0.9to1.1
mm.Tightensetscrews
❼
whilepressingbobbin
caseopeninglever
❶
downwardandpressing
thebobbincaseholdingleversleeve
❽
upward.
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.
❻
❺
❼
❽
❶
❹
❸
❷
A
LU-2810, 2810-7
LU-2860, 2860-7
LU-2810, 2810-7
0.7 to 0.9 mm
LU-2860, 2860-7
0.9 to 1.1 mm