DIFFERENTIAL FEED
16
a
(1)
(3)
(2)
2
1.5
1.0
0.5
b
c
DF
SL
c
1. Remove: Mains lead - Machine base.
2. Set Stitch Length at
"5"
and differential feed dial at the neutral position
"1"
.
3. Turn the handwheel towards you, check whether both front and back feed dogs move at
equal lengths and the distance between them in motion does not vary, as shown on sketch
(1)
below.
4. If not, set Stitch Length at
"0.5"
, loosen screw
"a"
and then adjust crank
"b"
so that both
feed dogs move at equal length.
5. Tighten screw
"a"
. Set Stitch Length at
"5"
and double check if both feed dogs move at
equal length.
12~12.3mm
2mm
Содержание 745 -
Страница 1: ...745 845 SERVICE MANUAL 2 2 5 5 1 3 5 NA 6 0 B 1 2 1 T P T P...
Страница 12: ...1a REMOVING MACHINE BASE COVER 1 Remove Mains lead 2 Remove Machine base Unit 1 by loosening screws a a 1 a a...
Страница 18: ...a HEIGHT AND ALIGNMENT OF CLOTH PRESSER BAR 4a 5 b c 4 7mm...
Страница 24: ...TIMING OF LOWER LOOPER 8a A B C D b a 5 2mm R1 Fig 1 Fig 2 Fig 3...
Страница 35: ...MOVING CUTTER AND VERTICAL FEED TIMING 14a R1 A a B d c Fig 2 Fig 4 Fig 3 Fig 1 2mm 0 5 0 5mm 1 0 1 5mm...
Страница 51: ...ANNEX SETTING POSITIONS OF SL DF DIALS b c f d g e 2 1 C B A...
Страница 53: ...d ANNEX SETTING POSITIONS OF SL DF DIALS h i Z k j p SL Dial DF Dial Fig 3 Fig 4 i A n k a Fig 2 view Z view Z...
Страница 61: ...M E M O...
