Mitsubishi LT2-2230 User Manual

OPERATION
23 Adjustment for change of needle gage
(1) Replace the throat plate, feed dog and needle clamp.
(Since the throat plate and feed dog are special parts designed for thread trimming machine, be
sure to use those specified by us.)
(2) Lean the machine head backward.
(3) Loosen two connecting link clamp bolts (^.
(4) Remove the spring (@).
(5) Loosen the hook bracket clamp screws @ and (B) and adjust gap between each needle and
hook.
(6) When the needles and hooks have been adjusted, install the spring (^.
(7) Contact the rocldng cranks @ and to the stopper pins ® and and tighten the connecint
link clamp bolt(^.
(8) Turn the balance wheel by hand until the needles reach the lowest position.
(9) Loosenthe nuts (g) and (H).
(10) Depress the cam follower crank ® and adjust the connecting rod (p sothatthe cam roller can
smoothly enter the groove of thread trimmer cam. Then tighten the nuts (§) and (p.
(11) Adjustment of the cam groove and the cam roller
(a) Push the cam follower crank so that the cam roller enters into the cam groove.
(b)Turn the connecting rod (p and adjust the clearance between the cam roller and the cam
groove surface (R) as small as possible, and tighten the nuts (g) and (H) .
(c) Push the cam follower crank again and check that the cam roller enters into the thread
trimmer cam groove smoothly.
Thread trimmer
rocking crank
Connecting link
Hook bracket
Screw®
Stopper pin
Bolt Stopper pin .
Thread trimmer ^5)
rocking crank
-19-
Cam roller
Cam groove
Screw @
Hook bracket
Spring
Connecting
Nut
Cam follower
crank
Thread trimmer
cam
Lower
shaft
Cam follower
crank (
Cam ro ler
Thread trimmer cam
From the library of: Superior Sewing Machine & Supply LLC

Mitsubishi LT2-2230 Specifications

General

Brand	Mitsubishi
Model	LT2-2230
Category	Sewing Machine
Language	English