Specifications

Trimmers Not Trimming Properly
When the trimmers are not providing adequate trim quality, there are three general
areas that may be contributing to the situation: 1) The physical condition of the
trimmer parts, 2) The Movable Knife "home" position, and 3) The Movable Knife
"select" position.
Physical Condition Of Trimmer Parts
Component
Identification
Figure 4-8, identifies those components that comprise the trimmer system: the
adjustable fixed knife, movable knife, and the under thread presser. These
components are covered by the front bed plate and the needle plate (see inset in
Figure 4-8). Remove the screws holding these covers to gain access to the trimmer
area. You may test the trimmer adjustments without the covers in place, but they
must be installed to embroider.
Adjustable Fixed Knife
Poor trimming quality and non trimming may be caused by the condition and
adjustment of the adjustable fixed knife.
Front Bed Plate
Needle Plate
bed plate
attaching screw
(1 of 4)
Connecting
Link
Under
Thread
Presser
Adjustable
Fixed Knife
Needle
Plate
Support
Bracket
Picker
(engaged)
Movable
Knife Drive
Arm Front
Pin
Movable
Knife
Rotary Hook and Rotary Hook
Support Bracket not shown
Figure 4 - 8 Trimmer Component ID
Adjustable Fixed Knife 4 - 13
110291-01, Rev D 4. Trimmer Maintenance