Consew 206RB - Tension of the Lower (Bobbin) Thread; How to Re-Set the Safety Clutch Mechanism; Adjusting Lift of the Alternating Presser Foot

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Tension of the Lower (Bobbin) Thread;
The lower (bobbin) thread tension is controlled by the larger screw "N"
(Fig. 4C) near the end of the spring at the outside of the bobbin case.
Turning this screw to the right (clockwise) will increase the thread
tension, while turning it to the left (counter-clockwise) will decrease
it.
HOW TO RE-SET THE SAFETY CLUTCH MECHANISM
The sewing hook and its mechanism are protected by a safety clutch. If it
should become necessary to re-engage the safety clutch, depress button
"T" (Fig. 1) in the bed plate of the machine. At the same time, turn
handwheel until the locking mechanism re-engages the drive shaft beneath
the bed of the machine. Open bed slide plate and rock hanchdieel back and
forth to remove any foreign matter which may have lodged itself in the
hook. Do not use any sharp-edged tools,etc., lest the hook be damaged.
ADJUST-ING LIFT OF THE ALTERNATING PRESSER FEET
The thickness of the material sewn should control the height of the lift
of the alternating presser feet. The lift should be just enough for
clearance of the material. With normal adjustment both feet lift to
equal height. However, some materials may reouire unequal height of lift.
FIG, 8
To alter lift, loosen wing nut (1) Fig. 8 and move the link and stud
assembly (2) along the slot (3) - move up to raise the feeding presser
foot and push down to lower this foot. Tighten wing nut upon completion
of adjustment.
From the library of: Superior Sewing Machine & Supply LLC