Summa S3 Series - Knife Length Adjustment; Clamp Drag Head

S Class 3 User’s Manual
Setup 1-28
➢ Installing the drag knife
1. Remove the aluminium piece from the plastic knife holder  by turning the knurled adjustment
knob  counterclockwise until the aluminium piece comes out of the holder.
2. Insert the conical, non-cutting end of the knife into the opening in the narrow end of the holder.
Gently push the knife in.
3. Turn the holder upside down and gently tap it on a solid surface to ensure the knife is completely
inserted.
4. Slowly turn the knurled knob clockwise until the tip of the blade extends as far as required to cut
the desired media (t), as shown in the figure below.
FIG 1-21
1-21 KNIFE LENGTH ADJUSTMENT
5. Insert the knife holder into the head clamp and push it down (left picture).
FIG 1-22
1-22 CLAMP DRAG HEAD
6. Tighten the clamp screw (right picture).