E
1. Remove: Mains lead - Front cover.
2. Select sewing program 1
"SAFETY 4 THREAD"
3. Check and make sure that the lever
"h"
is facing the notch of tension cam
"g"
for blue
needle thread.
4. If not, loosen screw
"a"
and turn DT cam pulley
"j"
forward or backward until the lever
"h"
is facing the notch of tension cam
"g"
. Then, tighten screw
"a"
.
5. If the position of the display drum indicator
"d"
is not aligned with the display window
"e"
, then loosen screw
"c"
and adjust the position of drum.
6. Fasten screw
"c"
and recheck the position of the display drum
"d"
.
Note: In order to check the alignment of the display drum indicator
"d"
and the display
window
"e"
, it is necessary to set the front cover onto the machine.
POSITION OF PROGRAM SELECTION-DISPLAY DRUM INDICATOR
AND DISPLAY WINDOW
g
a
c
h
d
e
SELECT
h
g
b
d
2 mm
j
Summary of Contents for 745 -
Page 1: ...745 845 SERVICE MANUAL 2 2 5 5 1 3 5 NA 6 0 B 1 2 1 T P T P...
Page 18: ...a HEIGHT AND ALIGNMENT OF CLOTH PRESSER BAR 4a 5 b c 4 7mm...
Page 24: ...TIMING OF LOWER LOOPER 8a A B C D b a 5 2mm R1 Fig 1 Fig 2 Fig 3...
Page 51: ...ANNEX SETTING POSITIONS OF SL DF DIALS b c f d g e 2 1 C B A...
Page 61: ...M E M O...