Specifications

10. Carefully capture
and retain the
various parts that
become released by
the needle bar as
you remove the
needle bar upward
and out the top of
the needle case.
11. Transfer the screw
from the top of the
old needle bar to
the top of the new
needle bar. Apply
Loctite screw
adhesive number
222 or equivalent to
the screw if possible.
12. Install a new needle
bar by inserting it
from the top of the
needle case and
through the various
pieces in the order
shown in Figure
3-26.
13. Install a new needle
into the needle
clamp and tighten
the needle clamp
screw to secure the
needle and capture the needle bar.
14. You may reinstall the upper needle case cover at this time. The lower needle
case cover must, however, remain off to perform the needle bar height
adjustment.
15. After installing a new needle bar, you must adjust the needle bar height. Refer
to the EMC 10/4 Operation Manual for the adjustment procedure for needle
bar height.
16. When the needle bar height has been properly adjusted, reinstall the lower
needle case cover.
Top Screw -
** Needle Bar Holding Spring -
Needle Bar -
Flat Washer -
Felt Pad -
Upper Needle Case casing -
Needle Case Damper -
Stop Clamp -
Connecting Stud -
** Presser Foot Spring -
Presser Foot upper hole -
Needle Case Damper -
shim -
Felt Pad -
Lower Needle Case casing -
Presser Foot lower hole -
Needle Clamp Damper -
Needle Clamp -
NEEDLE BAR
INSTALLATION
CROSS SECTION, LEFT
SIDE VIEW
** Note: The end of
each spring with the
smaller coil faces up.
Figure 3 - 26
3 - 30 Head Section
EMC 10/4 Technical Manual Melco Embroidery Systems