Adjusting Clearance Between Needle And Hook - ELNA CE10 Service Manual

Adjusting Clearance between Needle and Hook

The clearance between needle and rotary hook should be -0.10 to + 0.05 mm.
1
3
5
6
2
4
7
1 Remove the needle plate, bobbin holder, base cover
and bed cover (See page 3 - 4), and attach the Test
pin 5 .
2 Loosen Screw (A)
Screw (C) temporarily.
2
3 Turn the handwheel toward you and adjust the
clearance between the Test pin
rotary hook position to - 0.10 to + 0.05 mm
7
moving the rotary hook set plate
4 Tighten the screws (A)
5 Check the rotary hook driver gear and the lower shaft
gear backlash.
If gears mesh or engage tightly or loosely, check
"Adjusting Backlash between Hook Drive and Lower
Shaft Gear". (See page 12 )
6 Reattach the bed cover, base cover, base lid, needle
plate and bobbin holder.
1
Screw (A)
2 Screw (C)
3 Rotary hook set plate
4 Screw (B)
5
Test pin
6
- 0.10 to +0.05 mm
7
Tip of rotary hook
11
, (B) , (C) and tighten
1 2
4
and the Tip of
5
up or down.
3
2
,(B) , (C)
1 4
by
6
firmly.