Specifications

complete Cutter Block Assembly
(G20597BA) from the stitcher head. Loosen
and remove the two (2) Socket Flat Head
Screws (G20616) on the front of the
assembly and pull the Cutter Block away
from the G20 Head. Be careful, the Cutter
Operating Slide may spring out from the
Cutter Block Assembly. Loosen the Flat
Head Machine Screw (G20214) securing the
Cutter to the Slide and rotate the Cutter until
a new cutting surface is exposed. If there are
no more sharp edges available, remove the
Screw completely and install a new Moving
Cutter. Replace the Machine Screw and be
sure to tighten it completely so that the Cutter
does not rotate on the Slide.
Make sure the Cutter Operating Spring (G20210) is resting against the Spirol Pin (G20217) in the
Cutter Block Assembly. Compress the Spring with the edge of the Cutter Operating Slide and return
the Slide to its position in the Cutter Block Assembly. Support the Operating Slide by holding the
back of the Cutter Block and line up the two (2) Dowel Pins (G20588) in the back of the Assembly
with the Cutter Block Slide Plate (G20602). Replace the two (2) Socket Flat Head Screws and make
sure there is little or no play in the Assembly.
Like the Moving Cutter, the Fixed Wire Cutter (G20600) can be rotated when the cutting surface
is worn or replaced when no sharp surfaces are left. The complete Cutter Block Assembly has to be
removed from the Stitcher Head again by removing the two (2) Socket Flat Head Screws. Remove
the Cutter Operating Slide from the Cutter Block to reveal the Fixed Cutter. Loosen, but do not
remove, the Socket Head Set Screw (G20615) on the front of the Cutter Block which secures the
Cutter. Rotate the Cutter until a new surface is exposed or replace it completely worn. The Cutter
can be rotated three or four times before needing to be replaced. Once the Cutter has been rotated
and before tightening the Cap Screw to secure the new position, make sure the Fixed Wire Cutter is
aligned correctly within the Cutter Block.
In order to obtain a clean edge on the cut wire, there can be no gap between the Moving and Fixed
Cutters. Replace the Cutter Operating Slide and compress it against the Cutter operating Spring until
the Moving Cutter just passes the hole in the Fixed Cutter. While holding this position, push the
Fixed Cutter against the Moving Cutter, using a small screwdriver as a lever. Tighten the Cap Screw
to secure the position of the Fixed Cutter, but be sure to test it once before re-assembling the Cutter
Block to the G8 by compressing the Cutter Operating Slide. The Moving Cutter must pass the Fixed
Cutter freely and with no visible gap.
Attach the Cutter Block Assembly on the G20 by aligning the Cutter Block with the Slide Plate
and replacing the two (2) Socket Head Flat Screws, being careful to support the Cutter Operating
Slide.
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Figure 17 - Replacing the Wire Cutters
G20615
G20598
G20616 (2)
G20145
G20210
G20214
G20600