JUKI MO-50e User manual

MO-50e/51e
Service Manual

1. HEIGHT OF THE NEEDLE BAR.
A=11±0.2
A

B
B
A
A
BA
A=B
2. ADJUSTMENT OF THE FEED DOG LIFT.
A
B

3. ADJUSTMENT OF THE NEEDLE BAR IN
RELATION TO THE FEED DOG SHIFT.

A=1.1±0.2
4. HEIGHT OF THE FEED DOG.
A

A=4.6±0.3
A
5. PROJECTION OF THE UPPER LOOPER.

6. RADIUS OF THE LOWER LOOPER.
A
A=65.5±0.2

7. ADJUSTMENT OF THE STOPPING POINT
OF THE LOWER LOOPER
(SYNCHRONIZATION) (USE CLAMP).
A
A

8. CLEARANCE BETWEEN LOWER POINT,
WHEN AT LEFT MOST POSITION, TO THE
LEFT SIDE OF THE LEFT NEEDLE.
A=2.6±0.3
A

9. CLEARANCE BETWEEN LOWER LOOPER
AND THE LEFT AND THE RIGHT HAND
NEEDLE.
A
A=0~0.05

10. TIMING BETWEEN UPPER AND LOWER
LOOPER.
A
A=0.5±0.3

A
A=0.1~0.3
11. CLEARANCE BETWEEN LOWER LOOPER
AND UPPER LOOPER.

12. CLEARANCE BETWEEN NEEDLE AND
NEEDLE GUIDE.
A=0~0.05
A
B
B=0.05~0.3

13. POSITION OF THE LOOPER THREAD
TAKE-UP LEVER. THE HEIGHT FROM THE
BASE PLATE TO THE TOP SIDE OF THE
THREAD GUIDE.
A=28±0.3
1
A
90

14. HEIGHT OF THE PRESSER FOOT.
A=4.0~4.5
A

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