Specifications

9. Rotate the knife and arm clockwise until the back side of the knife is resting
against the left side of the needle plate bracket.
10. Tighten the hex socket screw.
Spring Knife/Under Thread Presser
1. Remove the screws holding the needle plate. Remove the needle plate.
2. Remove the screws holding the front and rear bed covers. Remove the covers.
3. Lift the forward end of the connecting link from the pin on the movable knife
drive arm (see Figure 3-44).
4. Rotate the movable knife forward to remove it from under the spring knife and
under thread presser.
5. Remove the two button head screws from the top of the spring knife.
Note: In the next step it is important to note at which screw hole any spacer might
be located.
6. Remove the spring knife, the under thread presser, and/or a spacer.
Note 1: A spacer may be placed under one of the screws for leveling at initial
installation. If reinstalling the old spring knife, you must reinstall the
spacer at the same location as it is currently.
Note 2: When installing a new spring knife, disregard the spacer and attach the
new spring knife without using the spacer. Later in the adjustment
process you may need a spacer, but you cannot determine it at this time.
7. Replace the required new parts.
Note 1: If the old spring knife is reinstalled and a spacer was under one screw hole,
replace the spacer at the same screw location.
Note 2: If a new spring knife is being installed, DO NOT install any spacer.
8. Install and tighten the 2 button head screws.
The only adjustment for the spring knife is for the inclusion of a spacer, if needed).
However, after replacing a spring knife, it is advised to operate the TRIM
IMMEDIATE command several times to allow the spring knife to "seat" with the
movable knife. Then refer to Section 2 of the manual for adjustment information.
3 - 52 Head Section
EMC 10/4 Technical Manual Melco Embroidery Systems