Specifications

Under Thread Control (UTC) Replacement
To remove the UTC assembly refer to the steps that follow:
1. With the machine in the head up position, turn the power switch OFF.
2. Remove the table top insert from the machine to access the Hook and UTC area.
3. Remove the needle plate, front bed cover, and right side rotary hook cover to
access the UTC assembly including the sensor cable and connection to the
harnessing in the bed.
4. Disconnect the sensor cable from the harness inside the bed and remove the
cable from around the needle plate support bracket (see Figure 4-21).
5. Remove the 2 UTC assembly mounting screws that hold the UTC assembly and
rotary hook retaining finger to the bottom of the needle plate support bracket
(see Figure 4-21).
To attach the UTC assembly, refer to the steps that follow.
6. Connect the sensor cable from the new UTC assembly to the harness inside the
bed as indicated in Figure 4-21.
7. Rotate the rotary hook inner basket to position the notch to the top so the
retaining finger tab will fit into the notch properly when the UTC assembly is
attached.
harness connection
inside the bed
UTC sensor cable
(part of UTC assembly)
UTC assembly
mounting screws,
securing UTC assembly
and rotary hook
retaining finger
UTC sensor
assembly
needle plate
support bracket
Figure 4 - 21
4 - 28 Under Thread Control (UTC) Replacement
EMT 10T Technical Manual Melco Embroidery Systems