17
8. Push two face plate retaining clips (Index F)
outward while lifting face plate up, or remove
retaining clips to release face plate.
9. Position grip spring housing (Index G) between
tension pawl spring retainer (Index H) and
cutter housing (Index I).
10. Remove face plate (Index B) by sliding face
plate to the left and lifting up.
11. Remove the cutter operating slide (Index I,
Figure 15).
12. Insert a new cutter operating slide.
13. Reassemble
K. Proper Wire
Depending on which M2000 head is being used the
wire range may be: 25 to 30 gauge round; 24 gauge
round; 20x25 or 21x25 flat. 120,000 to 159,000 psi
tensile strength bookbinders wire should be used.
If the wire used is larger than the bender bar grooves
were designed for, it will fracture at the stitch cor-
ners and come out in pieces. Also, serious damage
to the stitcher may result. If the wire used is smaller
than the bender bar grooves were designed for, the
legs of the stitch do not fit snugly in the grooves
and may tend to buckle when they strike the work
material because they are not fully supported.
L. Rotator (Figure 15)
The rotator (Index J) (1) receives the wire from the
cutoff die, (2) holds the wire while it is being cut,
then (3) turns it to a horizontal position, moves it
under the bender bar grooves and (4) supports the
wire while it is being formed into a "U-shaped"
stitch.
The wire lead-in-funnel of the rotator must be
aligned with the wire as it comes through the wire
cutters. If the rotator is improperly aligned, the
wire hits the rotator and buckles. Adjust upper two
wire straighteners until wire slips past rotator. Burrs
on the rotator prevent the wire from entering the
rotator. This causes wire buckling. Remove the
rotator and polish the lead-in radius.
J. Wire Cutter Operating Slide
The wire cutter operating slide actuates the lower
wire cutter which acts as the cutting knife. If the
slide is worn or broken, the wire cutter is not actu-
ated. Replace the operating slide.
To Replace The Wire Cutter Operating Slide:
1. Cut the wire at the bracket and pull the loose
end out.
2. Remove the stitcher head assembly.
3. Lift end of spring (Index L, Figure 15) out of
rotator.
4. Swing the spring up to disengage it and lift
out.
5. Slip the rotator operating cam (Index M, Figure
15) forward and off the stud.
6. Pull the rotator forward.
7. Loosen the two face plate retaining clips (Index
A, Figure 16) and rotate them downward.
A
B
C
D
E
F
G
I
H
(CTTT2605 Scene 17)
Figure 16
