12
11
11
11
11----7 Adjusting the
7 Adjusting the
7 Adjusting the
7 Adjusting the solenoid return spring
solenoid return spring
solenoid return spring
solenoid return spring
Available for the electric top cover thread trimmer.
Position spring bracket D so that screw E will be centered in the slot of spring bracket D.
Set the clearance between drive lever B and solenoid shaft A at approximately 2mm.
Then tighten screw C for drive lever B. To adjust the returning pressure of the movable
knife, loosen screw E for spring bracket D and move spring bracket D up or down.
To increase the pressure, move up bracket D. To decrease the pressure, move down
bracket D. The pressure of spring F should be as light as possible, yet be sufficient to
return the movable knife home correctly when the solenoid gets actuated.
11
11
11
11----8 Adjusting the top cover thread releaser hook
8 Adjusting the top cover thread releaser hook
8 Adjusting the top cover thread releaser hook
8 Adjusting the top cover thread releaser hook
To decrease the amount of the thread supplied by
the thread take-up, move up thread releaser hook G.
To increase the amount of the thread supplied by
the thread take-up, move down thread releaser hook
G.
If the amount is too small, the top cover thread
cannot be held after it is cut.
< Note >
To prevent vibration on the top cover thread trimmer, fit the end of screw H onto the plate
and then tighten nut I.
