Service manual
1-50
S100
Revised 10/2005
e-mail: service@amfreece.cz ; parts@amfreece.cz; website: www.amfreece.com
Phones: +420 582 309 146 (Service), +420 582 309 286 (Spare Parts); Fax: +420 582 360 606
D - MACHINE ADJUSTMENT
22. KNIFE AND CUTTING STEEL CHANGE
Various types of knives (straight buttonhole, cutting before and after sewing) and steels for machine S - 100
can be replaced.
It is possible to place the knife to the cutting lever and steel down or opposite.
It is possible to deliver below mentioned cutting knives and steels.
CAUTION! The cutting pressure must be adjusted when the cutting steel is replaced or the material
being sewn changes. Cutting steel is changed according to the buttonhole length.
WARNING! Before doing any adjustment, switch off the main machine power and for the machine S -
100 CT disconnect the air supply and release any stored air in the machine. To obtain correct buttonhole
cuts, perform each step of the following procedure. Failure to follow these steps may cause knife breakage
and possible machine damage.
1. Remove the knife and cutting steel.
2. Ensure the contact surface of the cutting lever and the knife holder are not damaged.
3. Install the new cutting steel into the knife holder and install the new knife into the cutting lever and
lightly tighten the knife locking screws , .
4. Manually lower the knife against the cutting steel to seat the knife in the cutting lever and fully
tighten the knife locking screws , ..
5. Manually lower the cutting lever toward the knife holder and ensure the knife and the cutting steel are
correctly aligned.
6. Decrease the cutting lever pressure by rotating the pressure adjusting screw counter clockwise
three revolutions. Steadiness of the intersection is suitable to find out by manual knife compression
against cutting steel with inserted paper. Print must be even. It is not recommended to repair
damaged knife. Cleaning of the cutting steels must be done by machine grinding or by soft emery
paper. Any grooves can cause dirty fabric intersection.
Washers
Length 3/5 CA-T 3/5 CA 3/5 CB-T 3/5 CB O-T O
10 19.0064.5.846
12 19.0064.5.847
(13) 19.0064.5.951
14 19.0064.5.848
16 19.0064.5.849
18 19.0064.5.850
(19) 19.0064.5.952
20 19.0064.5.851
22 19.0064.5.852
24 19.0064.5.853
26 19.0064.5.854
29 19.0064.5.855
32 19.0064.5.856
35 19.0064.5.857
38 19.0064.5.858
17.0064.5.863
17.0064.6.325
18.0087.0.407
Length of
buttonhole
Knives
18.0087.0.405
18.0087.0.408
18.0087.0.406