(9) NEEDLE AND NEEDLE GUARDS
(a)
(b)
(10) SETTING AND REMOVAL OF FEED DOGS
By Screw (B) setting and removal of Differential Feed Dog (A) shall be made
and by Screw (D) for main Feed Dog (C)
Auxiliary Feed Dog (E) will be removed loosening Screw (D) and (F) because it
is used fitting to Main Feed Dog (C).
(11) INCLINATION AND HEIGHT OF FEED DOGS
Both top face of Feed Dog (A) and (C) must be at the same height, and run
parallel with the surface of Stich Plate. Which is the standard condition of
Inclination of Feed Dogs.
When Feed Dogs are at their highest position adjust the last second edge of
Main Feed Dog (C) to be at 1mm. approximately higher than the top face of
Stitch Plate.
This adjusting shall be made loosening Screws (B,D)
Auxiliary Feed Dog (E) must be fitted at 1-1.5mm lower than Main Feed Dog
(C)
0~
0.05mm
A
B
C
1mm
C
A
Stich
plate
0.2mm
D
E
C
E
F
D
A
B
Needle and Needle Guard (Rear) :
When the Needle which is ascending meets Lower Looper, adjust the
allowance with Needle Guard (Rear) (A) to be 0-0.5 mm
The Adjusting of Needles Guard (Rear) should be made by Screw (B) for its
front-Rear and right-left positioning and by loosening of Screw (C) for High-
low positioning.
Needle and Needle Guard (Front) :
The allowance between Needle and Needle Guard (front) (D) shall be
adjusted according to the thickness of thread in use, which is standard
adjusting.
In general, however, the allowance will be adjusted in 0.2 mm. Loosening
Screw (C).
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