Janome NH15 Guida alla risoluzione dei problemi

SERVICE MANUAL

MODEL: NH15

PARTS LIST

CONTENTS

WHAT TO DO WHEN ...................................................................................... 3-5

SERVICE ACCESS

FACE COVER ............................................................................................... 6

TOP COVER ................................................................................................. 6

BASE COVER............................................................................................... 7

REAR COVER .............................................................................................. 8

FRONT COVER ............................................................................................ 9

MECHANICAL ADJUSTMENT

NEEDLE THREAD TENSION .................................................................... 10

BOBBIN TENSION...................................................................................... 11

PRESSER BAR HEIGHT AND ALIGNMENT ............................................. 12

NEEDLE SWING ........................................................................................ 13

NEEDLE DROP POSITION ........................................................................ 14

CLEARANCE BETWEEN NEEDLE AND SHUTTLE............................. 15-16

FEED DOG HEIGHT................................................................................... 17

NEEDLE BAR HEIGHT............................................................................... 18

NEEDLE TIMING TO SHUTTLE ................................................................. 19

BUTTONHOLE FEED BALANCE ............................................................... 20

DISENGAGEMENT OF CAM FOLLOWER................................................. 21

MOTOR BELT TENSION............................................................................. 22

WIRING....................................................................................................... 23

PARTS LIST ............................................................................................... 24-41

CONDITION CAUSE HOW TO FIX REFERENCE

1. SKIPPING 1. NEEDLE IS NOT INSERTED INSERT THE NEEDLE PROPERLY.

STITCHES PROPERLY.

2. NEEDLE IS BENT OR WORN. CHANGE THE NEEDLE.

3. INCORRECTLY THREADED RETHREAD.

4. NEEDLE OR THREAD ARE USE THE RECOMMENDED

INAPPROPRIATE FOR THE SEWING NEEDLE AND THREAD.

FABRIC BEING SEWN.

5. SEWING ON STRETCH USE A #11 BLUE TIP NEEDLE.

FABRIC

6. INAPPROPRIATE NEEDLE SEE MECHANICAL P.18

BAR HEIGHT ADJUSTMENT

“NEEDLE BAR HEIGHT.”

7. INAPPROPRIATE NEEDLE SEE MECHANICAL P.19

TO HOOK TIMING ADJUSTMENT “NEEDLE

TIMING TO SHUTTLE.”

8. INAPPROPRIATE NEEDLE SEE MECHANICAL P.15,16

TO SHUTTLE CLEARANCE ADJUSTMENT “CLEARANCE

BETWEEN NEEDLE AND

SHUTTLE.”

2. FABRIC NOT 1. INCORRECT SEE MECHANICAL P.17

MOVING FEED DOG HEIGHT ADJUSTMENT “FEED DOG

HEIGHT.”

2. THREAD ON BOTTOM SIDE MAKE SURE TO BRING

OF FABRIC IS JAMMED UP. BOTH NEEDLE AND BOBBIN

THREADS UNDER THE FOOT

WHEN START SEWING.

3. FEED DOG TEETH ARE CHANGE THE FEED DOG.

WORN.

WHAT TO DO WHEN

CONDITION CAUSE HOW TO FIX REFERENCE

3. BREAKING 1. INITIAL SEWING SPEED IS START WITH MEDIUM SPEED.

UPPER TOO FAST.

THREAD 2. THREAD PATH IS USE THE PROPER THREAD

INCORRECT. PATH.

3. NEEDLE IS BENT OR DULL. REPLACE WITH A NEW NEEDLE.

4. UPPER THREAD TENSION IS ADJUST UPPER THREAD P.10

TOO STRONG. TENSION CORRECTLY.

5. NEEDLE SIZE IS USE APPROPRIATE NEEDLE

INAPPROPRIATE FOR AND THREAD FOR FABRIC

FABRIC. IN USE.

6. NEEDLE EYE IS WORN. CHANGE THE NEEDLE.

7. NEEDLE HOLE IN NEEDLE REPAIR THE HOLE OR

PLATE IS WORN OR BURRED. REPLACE THE NEEDLE PLATE.

4. BREAKING 1. INCORRECTLY THREADED THREAD BOBBIN CASE

BOBBIN BOBBIN CASE. CORRECTLY.

THREAD 2. TOO MUCH THREAD IS ADJUST THE POSITION OF

WOUND ON THE BOBBIN. STOPPER.

3. LINT IS STUCK INSIDE THE CLEAN THE HOOK RACE.

HOOK RACE.

4. THREAD QUALITY IS CHANGE TO A HIGH QUALITY

TOO LOW. SEWING THREAD.

5. THREAD IS JAMMING CLEAR OUT THE JAMMING

AROUND THE BOBBIN. THREAD.

6. BOBBIN THREAD TENSION IS ADJUST BOBBIN THREAD P.11

TOO STRONG. TENSION CORRECTLY.

5. NEEDLE 1. NEEDLE IS HITTING THE SEE MECHANICAL P.14

BREAKS NEEDLE PLATE. ADJUSTMENT “NEEDLE DROP.”

2. NEEDLE IS BENT OR WORN. CHANGE THE NEEDLE.

3. NEEDLE IS HITTING THE SEE MECHANICAL P.15, 16

SHUTTLE RACE. ADJUSTMENT “CLEARANCE

BETWEEN NEEDLE AND SHUTTLE”.

4. THE FABRIC MOVES WHILE SEE MECHANICAL P.13

THE NEEDLE IS PIERCING ADJUSTMENT “NEEDLE SWING”.

IT, OR THE NEEDLE ZIGZAGS

WHILE IN FABRIC.

5. FABRIC IS BEING PULLED TOO GUIDE THE FABRIC GENTLY

STRONGLY WHILE SEWING. WHILE SEWING.

WHAT TO DO WHEN

CONDITION CAUSE HOW TO FIX REFERENCE

6. NOISY 1. BACKLASH BETWEEN SEE MECHANICAL P.16

OPERATION SHUTTLE HOOK GEAR AND ADJUSTMENT “CLEARANCE

LOWER SHAFT GEAR IS TOO BETWEEN NEEDLE AND

GREAT. SHUTTLE (NO.2)”.

2. LOWER SHAFT GEAR IS ELIMINATE THE LOOSENESS.

LOOSE.

3. INAPPROPRIATE BELT SEE MECHANICAL P.24

TENSION. ADJUSTMENT “MOTOR BELT

TENSION”.

4. UPPER SHAFT GEAR IS LOOSE. ELIMINATE THE LOOSENESS.

5. NOT ENOUGH OIL. OIL ALL MOVING PARTS.

7. DEFORMATION 1. INAPPROPRIATE ZIGZAG SEE MECHANICAL P.13

PATTERN SYNCHRONIZATION. ADJUSTMENT “NEEDLE

SWING”.

2. INAPPROPRIATE SEE MECHANICAL P.23

DISENGAGEMENT OF CAM ADJUSTMENT

FOLLOWER. “DISENGAGEMENT OF CAM

FOLLOWER".

3. UPPER THREAD TENSION ADJUST UPPER THREAD P.10

IS TOO STRONG. TENSION CORRECTLY.

WHAT TO DO WHEN

FACE COVER

SETSCREW(B)

CAP(A)

SETSCREW(C)

THREAD GUIDE

SERVICE ACCESS

FACE COVER

TO REMOVE:

1. REMOVE THE FACE COVER BY REMOVING THE CAP (A) AND SETSCREW (B).

TO ATTACH:

2. FOLLOW THE ABOVE PROCEDURE IN REVERSE.

TOP COVER

TO REMOVE:

1. REMOVE THE SETSCREWS (C).

2. SLIDE THE CORNER OF THE TOP COVER SLIGHTLY IN THE DIRECTION OF ARROW.

BE CAREFUL THAT THE THREAD GUIDE SHOULD NOT INTERFERE WITH THE TOP

COVER WHEN REMOVING.

3. TAKE THE TOP COVER OUT.

TO ATTACH:

4. FOLLOW THE ABOVE PROCEDURE IN REVERSE.

(A)

BASE COVER

SERVICE ACCESS

BASE COVER

TO REMOVE:

1. LOOSEN THE SETSCREWS (A).

2. REMOVE THE BASE PLATE.

TO ATTACH:

3. MOUNT THE BASE PLATE AND SECURE IT WITH SETSCREWS.

(B)

(A)

(C)

(D)

(E)

(F)

(G)

(H) (I)

(J)

(C)

SERVICE ACCESS

REAR COVER

TO REMOVE:

1. REMOVE THE FACE COVER AND SETSCREW (A) (SEE PAGE 4).

2. OPEN THE SHUTTLE COVER AND REMOVE THE SETSCREWS (B), (C) AND (D).

3. REMOVE THE CAPS AND SETSCREWS (E), (F), (G),

4. REMOVE THE SETSCREWS (H) AND (I).

5. OPEN THE TOP COVER (SEE PAGE 5). LOOSEN THE SETSCREW (J).

6. REMOVE THE REAR COVER.

TO ATTACH:

7. MOUNT THE REAR COVER IN REVERSE PROCEDURE OF THE REMOVING.

(A)

(B)

(C)

(D)

(E)

(F)

(G)

(H)

SERVICE ACCESS

FRONT COVER

TO REMOVE:

1. REMOVE THE FACE COVER AND TOP COVER (SEE PAGE 4 AND 5).

2. LOOSEN THE SETSCREW (A).

3. REMOVE THE SETSCREW (B),

REMOVE THE REAR COVER (SEE PAGE 6).

LOOSEN THE SETSCREW (C), (E) AND (H). REMOVE THE SETSCREW (D).

4. OPEN THE SHUTTLE COVER. REMOVE THE SETSCREW (F).

5. REMOVE THE BASE COVER AND THE SETSCREW (G) (SEE PAGE 5).

TO ATTACH:

6. MOUNT THE FRONT COVER IN REVERSE PROCEDURE OF THE REMOVING.

MECHANICAL ADJUSTMENT

TOP TENSION

THE TOP TENSION SHOULD BE BETWEEN 65 AND 95G WHEN PULLING THE THREAD UP IN

THE DIRECTION OF C.

* USE POLYESTER SEWING THREAD #50 (WHITE).

* IF IT IS NOT WITHIN THE ABOVE LIMIT, ADJUST AS FOLLOWS.

1. SET THE TENSION DIAL “3”.

2. REMOVE THE COVER.

3. LOWER THE PRESSER FOOT.

• IF THE TOP TENSION IS TOO LOOSE, TURN THE LEAD SCREW IN THE DIRECTION (A).

• IF THE TOP TENSION IS TOO TIGHT, TURN THE LEAD SCREW IN THE DIRECTION (B).

4. CHECK THE TOP TENSION AND ATTACH THE COVER.

WHITE POLYESTER THREAD SIZE 50

PULL THE THREAD AT THE SPEED OF 110 MM/

SEC IN THE DIRECTION OF ARROW

(A)

(B)

Indice

Altri manuali Janome Macchina da cucire

Janome

Janome J30 Guida alla risoluzione dei problemi

Janome

Janome MOD-100 Manuale utente

Janome

Janome 2160DC Manuale utente

Janome

Janome YC-482J-EC Manuale utente

Janome

Janome MOD-30 Manuale utente

Janome

Janome 900CPX Manuale utente

Janome

Janome Quilt Maker Pro 16 Manuale utente

Janome

Janome MC9900 Manuale utente

Janome

Janome MOD-200 Manuale utente

Janome

Janome Sewing Machine Manuale utente

Janome

Janome 1600P series Manuale utente

Janome

Janome Air Thread 2000D Professional Manuale di riferimento

Janome

Janome MS 2028 Manuale utente

Janome

Janome L-352 Manuale utente

Janome

Janome 405 Manuale utente

Janome

Janome 521 - Manuale utente

Janome

Janome Skyline S7 Manuale utente

Janome

Janome 6234XL Manuale utente

Janome

Janome 15 Manuale utente

Janome

Janome MY LOCK 734D Manuale utente

Janome

Janome Sewing Machine Manuale utente

Janome

Janome M7200 Manuale utente

Janome

Janome myLock 134D Manuale utente

Janome

Janome NH22 Manuale utente

Manuali Macchina da cucire popolari di altre marche

Riccar

Riccar RL634DE Manuale utente

Singer

Singer 2517 Manuale utente

Pfaff

Pfaff 3307-1 SERIES Manuale utente

Siruba

Siruba C007JP Manuale utente

Husqvarna Viking

Husqvarna Viking Designer SE Manuale utente

Singer

Singer 148-5 Manuale utente

IKEA

IKEA SY Manuale utente

Pfaff

Pfaff 571 Manuale utente

Singer

Singer 15-91 Manuale utente

Brother

Brother BB370 Manuale utente

Pegasus

Pegasus WT100 Series Manuale utente

Reliable

Reliable 7100DB Manuale utente

Pfaff

Pfaff 937 Manuale utente

Singer

Singer 6038 Manuale utente

Singer

Singer 413K Manuale utente

Pfaff

Pfaff 1471 E1 Manuale utente

Kenmore

Kenmore 16677 - Serger Sewing Machine Manuale utente

HIGHLEAD

HIGHLEAD GC2008-M Manuale utente