Adjustment of the Top Cover Device
- Model 845 exclusive -
21b
1.Remove: Mains lead
2.Select sewing program 10
"COVERHEM/CHAINSTITCH"
.
3.Turn handwheel towards you and make sure that the upper looper is set at disengaged
position.
4.Change the presser foot from standard A/B foot to Top Cover foot (part No. 11636).
5.Lower the presser foot.
6.Insert the top cover hook into the slot of the holder and fasten screw
"b"
.
7.Swing down a lever
"a"
with triangle thread guide.
8.Turn handwheel towards you and bring the top cover hook in front of Coverhem needles
(L0, L1 and L2)
9.Make sure that the gap between the top cover hook and Coverhem needle
"L0"
is 1.0 mm
( 1 ) as shown in Fig. 2.
10.If not, loosen screw
"b"
and turn screw
"c"
clockwise or counterclockwise to get the gap
1.0 mm.
11.Tighten screw
"b"
.
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...