CLEARANCE OF NEEDLE GUARDS
7
2.7~3.4mm
2 mm
a
c
0~0.05mm
1. Remove: Mains lead - Needle plate.
2. Insert 2 new needles (
No.90
) in
"R1"
and
"R2"
positions.
3. Check height - clearance - angular position of lower looper.
4. Turn the handwheel towardas you and bring needle bar in its lowest position.
5. Loosen screws
"a"
.
6. Shift needle guard
"c"
back and forth to obtain a clearance of
0.05mm
between needle
guard
"c"
and needles, tighten both screws
"a"
.
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...