Operating instructions

Upper Rear
Inspection Cover
12.
At a 4 mm rise of the
Needle bar from the
lowest position.
Set Hook point to center
of the needle.
Fig. 14-4
Fig. 14-5
Fig. 14-6
Fig. 14-7
The Shuttle Hook Point
should be in the center
of the needle and aprox.
2 mm above the top of
the eye of the needle.
2 mm
Hand
Wheel
Side
The Clearance between the
Shuttle Hook Point and the
Needle should be about the
thickness of a piece of paper.
0.25mm to 0.35 mm
Adjusting the Needle to Shuttle Position
1. Loosen the small Allen head screw
#
6.
Then lightly snug the screw.
2. Loosen the two 6 mm Allen head screws
#
5.
3. With the stitch length lever set to the “0” position, turn
the hand wheel in a counter-clockwise rotation and place
the needle bar to the “Bottom-Dead-Center” position.
At this point align Allen Screw
#
6 to the 9:00 O’clock
position and in the same plane as the line “D”
shown in Fig. 14-4.
4. Tighten the small Allen screw
#
6
5. Firmly tighten the larger Allen screws equally.
First a little pressure on the right side screw. Then about
the same pressure on the left side screw.
Repeat this procedure in three or four steps until the two
screws are TIGHT.
Setting the Height of the Needle Bar
Set the needle bar height on the TORO-3000, 3200,
4000R or 4000 P as shown in Fig 14-5 at
#
(A).
The point of the shuttle hook should be set to the center
of the needle after the needle rises up 4 mm from the
“Bottom-Dead-Center” position .
To adjust the Height of the Needle Bar
Method 1
1. Turn the Handwheel in a counter-clockwise rotation
until the shuttle hook point is aligned with the center
of the needle.
2. Loosen Screws
#
7 in Fig. 14-6.
3. Move the Needle Bar in an up or down fashion to align
the needle to the position in Fig. 14-5
4. Firmly tighten the 2 screws
#
7 Fig. 14-6.
Method 2
1. Turn the Handwheel in a counter-clockwise rotation until
Needle is at “Bottom-Dead-Center”.
2. Loosen Screws
#
7 in Fig. 14-6.
3. Align the needle so that the bottom of the needles eye is
just above the “Needle Guard” shown on page 9
B with
enough room for the thread to pass through the needle eye.
4. Firmly tighten the 2 screws
#
7 Fig. 14-6.
Front/Back Needle to Shuttle Clearance
The clearance between the needle SCARF (recess) and the
point of the shuttle hook is set at the factory between 0.25 mm
and 0.35 mm depending on the diameter of the needle used.
Clearance should not normally require adjustment. However,
several optional Spacer Plates shown on page 24 with part
number reference
#
6-44 are available for purchase if desired.