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CONTENTS
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2-1. Installing the machine head .................. 4
2-2. Motor and V-belt .................................... 6
2-2-1. Maximum sewing speed ..............
selection ......................................... 6
2-3. Mounting the V-belt ............................... 7
2-4. Installing the belt cover .........................
2-5. Installing the spool stand ......................
2-6. Installing the trimming knife .................
...............................................
3-1. Adding oil ................................................ 10
3-2. Lubrication .............................................. 10
3-3. Changing the oil ..................................... 11
4-1. Replacing the needle ............................. 14
cover and cloth plate ............................. 14
4-3. Threading ................................................ 15
4-4. Thread tension ........................................ 16
4-4-1. Needle thread guide ..................... 17
4-4-2. Looper thread guide ..................... 17
4-4-3. Looper take-up .............................. 17
stitch take-up (N31) ...................... 18
4-6. Adjusting the stitch length .................... 19
4-7. Adjusting the differential feed .............. 20
4-8. Adjusting the fancy stitch width ........... 21
5-1. Needle height adjustment ..................... 25
needle guard and needle guard F ........ 26
5-3. Over looper adjustment ......................... 28
guard F .................................................... 29
5-5. Presser foot adjustment ........................ 30
5-6. Knife height adjustment ........................ 30
5-7. Feed dog height adjustment ................. 31
6. OPTION
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EF4-N11, N21, MA4-N31 (English/German)
INHALTS VERZEICHNIS
1. MODELLE / TECHNISCHE DATEN .........
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2-2. Motor und Keilriemen ............................
Keilriemen .....................................
2-3. Montage des Keilriemens ......................
2-4. Montage der Riemenabdeckung ...........
2-5. Montage des Spulenständers ...............
2-6. Montage des Messers ............................
..............................................
3-1. Einfüllen von Öl ...................................... 10
3-2. Schmierung ............................................. 10
3-3. Ölwechsel ................................................ 11
4. NÄHMASCHIENBETRIEB ........................
4-1. Auswechseln der Nadel ......................... 14
Abdeckung und der Stichplatte ............ 14
4-3. Einfädeln .................................................. 15
4-4. Fadenspannung ...................................... 16
4-4-1. Oberfadenführung ........................ 17
4-4-2. Unterfadenführung ....................... 17
4-4-3. Greiferabnahme ............................ 17
stichabnahme (N31) ..................... 18
4-6. Einstellen der Stichlänge ....................... 19
4-8. Einstellung der Stichbreite .................... 21
5-1. Nadelhöhe ............................................... 25
Nadelschutzes F ...................................... 26
5-3. Oberer Greifer ......................................... 28
Nadelschutzes F ...................................... 29
5-5. Stoffdrückerfuß ....................................... 30
5-6. Messerhöhe ............................................. 30
5-7. Transporteurhöhe ................................... 31
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