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2. Tension adjustment
As described in Fig. 25, the tension of the presser foot will grow stronger when the tension
adjusting screw (6) is turned clockwise and weaker when turned counterclockwise. Make sure to
screw in the fixing nut (1) after adjustment.
4.10) Adjustment of Automatic Knee-Lifter (Optional)
An automatic knee-lifter will be attached to the sewing machine at point of delivery. The lifting
amount of the presser foot when automatically lifting the knee is controlled by the automatic knee-
lifting solenoid shaft crank (1). First, loosen the solenoid cover fixing screw (3) and remove the
solenoid cover (2). If the solenoid shaft (5) is moved left and the fixing screw (4) is tightened when the
solenoid crank shaft fixing screw (4) is loose, the lifting amount of the presser foot grows smaller. If the
solenoid shaft (5) is moved to the right, the lifting amount will grow bigger. Assemble the cover back
after the adjustment is completed. (The presser foot lifting amount for the automatic knee-lifter will be
set to 13mm by default at point of delivery).
(Fig. 26)
4.11) Stitch Length Adjustment
As is shown in Fig. 27, the number marked by the stitch adjusting dial (1) signifies the stitch length
in mm units. Move the dial sideways to set it to the desired stitch length (Turn it in clockwise direction
and the stitch length will decrease while turning it counterclockwise will increase the stitch length.)
(Fig. 27)
4.12) Height and inclination Adjustment of Feed Dog
1. Height adjustment of the feed dog
(* For GF-1117/GF-1118 series users, the stitch length adjusting dial must be set to "0" here.)
The height of the feed dog is adjusted by moving the lifter crank (1) after the lifter crank fixing screw
(2) is loosened. The standard height from the top face of the needle plate to the top of the feed dog
when the stitch length dial is at its maximum and the feed dog is at its highest point is:
0,60 ~ 0,70mm for very thin materials,
0,75 ~ 0,85mm for general materials,
1,00 ~ 1,20mm for heavy materials.
(See Fig. 28)
Summary of Contents for GF-1116 Series
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