Mitsubishi LT2-250 - Thread Tension Regulator Adjustment

OPERATION
Adjustment of thead tension regulator
(1) Turn the balance wheel by hand until the needles reach the lowest position.
(2) Maintaining the needle position, depress the cam follower crank and put the cam roller into the
groove of thread trimmer cam.
(3) Turning the balance wheel by hand, adjust the thread tension release cam so that the tension disc
close when the white mark point on the balance wheel comes in line with the black mark point
on the arm.
To adjust, loosen two tension release cam clamp screws @.
(4) Opening degree of tension discshouldbeadjusted with the tension release roller (§) mountedon
the convexed portion of thread release cam, as shown in Fig.
To adjust, loosenthe screws (g) and draw the wire.
(5) Make fine adjustment by loosening thenut© .
Thread tension
release lever
Screw (A)
Roller(b)
Thread
release cam
Thread trimmer
cam Screw©
(D
Cam follower
crank
Cam roller
Nut©
-18-
Black mark white mark
Arm point point Balance wheel
y
Lf
From the library of: Superior Sewing Machine & Supply LLC