Mitsubishi LU2-4410 User Manual

OPERATION
20
Adjsutment of forward/backward stitch
length
Forward/backward stitch length can be adjusted
by moving the eccentric shaft shown in the
figure, as follows:
(1) Remove the arm back cover.
(2) Set the stitch length adjustment dial to "0"
Position and make sure no play exists in the
feed adjusting cam (If play exists, adjust the
stitch length adjusting dial and the stitch
length regulatar screw again.)
(3) Loosen two screws of feed adjusting cam.
(One screw should be loosened by screwdr
iver passed through the hole that can be
opened by removing rod and rubber plug.)
(4) To increase forward stitch length, turn the
eccentric shaft counterclock-wise.
To increase backward stitch length, turn the
eccentric shaft clock-wise.
21 Installation of movable knife
To lessen
backward i|^
stitch length
Eccentric
shaft
Connecting rod
Screw
To lessen ' I
forward
stitch length
1. Initial position of movable knife
(1) Turn the balance wheel and lower the needle bar to the lowest position.
(2) Pushthe cam follower crank so that the cam rollerenters 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.
(4) 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@
Thread trimmer
rocking crank
Bolt(B)
Thread trimmer
rocking crank
- 15 -
Movable knife
0.5mm
Fixed knife
From the library of Superior Sewing Machine & Supply LLC - www.supsew.com

Mitsubishi LU2-4410 Specifications

General

Brand	Mitsubishi
Model	LU2-4410
Category	Sewing Machine
Language	English