typical GC6760 SERIES, Руководство по установке, инструкции и обслуживанию

Страница: 48 / 56

48
2
5
1
3
4
1
3
3
2
2
1
TYPICAL GC6760 Series
10 // ADJUSTMENTS
10/12 Sewing of stretch- or high pile material
When sewing stretch- or high pile material it can happen, that
the material is pushed apart by the pressure of the foot. The
seam is stretched and puckered. To get a better better result
with these materials you can, on the GC6760, put the presser
foot, with the help of an adjustable stop, in a state of fl oata-
tion. The height of the presser foot above the needle plate
must be established by testing on the various materials.
1. Move the feed dog (2) below the needle plate (3) by
turning the hand wheel.
2. Lower the presser foot (1) onto the needle plate (3).
3. Loosen the nut (4)
4. Set the required fl oating height with the help of a screw
driver on the set screw (5).
To lift the presser foot, turn the set screw (5) clockwise.
To lower presser foot, turn the set screw (5) anti-clock-
wise.
5. Tighten nut (4) when required height is reached.
6. Test if result is satisfactory.
10/13 Adjusting the electric back tack switch on the machine head
The switch (1) can be attached like shown in illustration A or B
as desired.
1. Loosen screws (2).
2. Push the switch unit (3) to the desired position A or B.
3. Tighten screws (2) again.
Floatation
space
Lift Lower
A
B