Mitsubishi LT2-2230 User Manual

OPERATION
Installation of movable knife
1. Initial position of movable knife
{1) Turn the balance wheel and lower the needle bar to the lowest position.
(2) Push the cam follower crank so that the cam roller enters into the thread trimmer cam groove.
(3) Turn the balance wheel until the black mark point on the arm meets the white mark point on the
balance wheel.
Set the cam follower crank at this position with a screwdriver temporarily preventing the cam
roller coming out from the cam groove.
14) Loosen the thread trimmer rocking crank clamp bolts @ and @.
(5) Adjust the movable knife so that the movable knife end slant portion protrudes 0 — 0.5 mm from
the fixed knife, as shown in Figure and tighten the bolts @ and (§) .
Bolt{g)
Thread trimmer
rocking crank
Bolt(D
Thread trimmer
rocking crank
2. Gap between movable knife and bobbin case
hoider stopper
(1) Turn the balance wheel by hand until needle
reaches the lowest position.
(2) With the needle at fhe lowest position, de
press cam follower crank, turn the balance
wheel until the movable knife reaches the
extremity of its stroke.
(3) Manually rotate the inner hook in the direc
tion indicated by arrow in Figure and adjust
gap between the movable knife and the in
ner
hook stopper to about 0.2 mm (the
screws @ and @ should be loosened
for this adjustment).
—15 —
Movable knife
0 ~ 0.5mm
Fixed knife
Movable knife-
^—-Screw
Screw
Hook positioner
Approx.
0.2 mm
inner hook
From the library of: Superior Sewing Machine & Supply LLC

Mitsubishi LT2-2230 Specifications

General

Brand	Mitsubishi
Model	LT2-2230
Category	Sewing Machine
Language	English