Mitsubishi LT2-2230 User Manual

OPERATION
Relationship between rotating hook
motion and take-up lever motion
When the timing belt (cog belt) was removed for
its replacement, for example, the relationship
between rotating hook motion and take-up lever
motion should be adjusted as follows:
(1)Turn the balance wheel and stop when the
take-up lever is lifted to its top postion.
(2) Lean the machine head backward and make
sure the arrow (timing mark) put on the
timing belt is in line with the black line on
the boss of hook shaft bearing.
(3) If the timing mark is not in line with the
black line, remove the timing belt and in
stall it again to adjust.
] Relationship between hook motion and
opener motion
(1)Turn the balance wheel by hand and stop
when the opener holder is located most
remotely from the throat plate.
(2) Make sure gap between the bobbin case
and the opener is approximately 0.2 mm,
(3) If the gap is too large or small, loosen the
opener set screw @ and adjust position of
the opener.
— 13 —
Black line on boss of
hook shaft bearing
Approx. 0.2mm
Timing belt
ill
Timing mark
Timing belt sprocket
Opener Screw®
Opener holder
From the library of: Superior Sewing Machine & Supply LLC

Mitsubishi LT2-2230 Specifications

General

Brand	Mitsubishi
Model	LT2-2230
Category	Sewing Machine
Language	English