DLN5410N7 - Sewing machine JUKI - Free user manual and instructions

USER MANUAL DLN5410N7 JUKI

Line drawing of a JUKI sewing machine (no text or symbols on the device body)

NOTE : Read safety instructions carefully and understand them before using.Retain this Instruction Manual for future reference.

HINWEIS : Lesen Sie die Sicherheitsanweisungen aufmerksam durch, um sich mit ihnen vertraut zu machen, bevor Sie diese Maschine in Betrieb nehmen. Bewahren Sie diese Bedienungsanleitung für spätere Bezugnahme auf.

NOTE : Avant d’utiliser la machine, lire attentivement toutes les consignes de sécurité.Conserver ce manuel pour pouvior le consulter en cas de besoin.

NOTA : Antes de comenzar a usar esta máquina lea con detención hasta comprender todas las instrucciones de seguridad. Conserve este Manual de instrucciones a mano para futuras consultas.

NOTA : Leggere attentamente e compredere tutte le istruzioni per la sicurezza prima di inziare l’ uso di questa macchina. Conservare questo Manuale d’Instruzioni per pronto riferimento.

TO ENSURE SAFE USE OF YOUR SEWING MACHINE

For the sewing machine, automatic machine and ancillary devices (hereinafter collectively referred to as "machine"), it is inevitable to conduct sewing work near moving parts of the machine. This means that there is always a possibility of unintentionally coming in contact with the moving parts. Operators who actually operate the machine and maintenance personnel who are involved in maintenance and repair of the machine are strongly recommended to carefully read to fully understand the following SAFETY PRECAUTIONS before using/maintaining the machine. The content of the SAFETY PRECAUTIONS includes items which are not contained in the specifications of your product.

The risk indications are classified into the following three different categories to help understand the meaning of the labels. Be sure to fully understand the following description and strictly observe the instructions.

( I ) Explanation of risk levels

DANGER :

This indication is given where there is an immediate danger of death or serous injury if the person in charge or any third party mishandles the machine or does not avoid the dangerous situation when operating or maintaining the machine.

WARNING :

This indication is given where there is a potentiality for death or serious injury if the person in charge or any third party mishandles the machine or does not avoid the dangerous situation when operating or maintaining the machine.

CAUTION :

This indication is given where there is a danger of medium to minor injury if the person in charge or any third party mishandles the machine or does not avoid the dangerous situation when operating or maintaining the machine.

Items requiring special attention.

(II) Explanation of pictorial warning indications and warning labels

Pictorial warning indication		There is a risk of injury if contact-ing a moving section.	Pictorial warning indication		Be aware that holding the sewing machine during operation can hurt your hands.
		There is a risk of electrical shock if contacting a high-voltage section.			There is a risk of entanglement in the belt resulting in injury.
		There is a risk of a burn if contact-ing a high-temperature section.			There is a risk of injury if you touch the button carrier.
		Be aware that eye deficiency can be caused by looking directly at the laser beam.	Indication label		The correct direction is indicated.
		There is a risk of contact between your head and the sewing ma-chine.			Connection of a earth cable is indicated.

Diagram illustrating a safety warning system with three labeled steps: warning, hand action, and tool icons.

• There is the possibility that slight to serious injury or death may be caused.
• There is the possibility that injury may be caused by touching moving part.
  ② • To perform sewing work with safety guard. • To perform sewing work with safety cover. • To perform sewing work with safety protection device.
  ③ • Be sure to turn the power OFF before carrying out "machine-head threading", "needle changing", "bobbin changing" or "oiling and cleaning".

1. When it is necessary to open the control box containing electrical parts, be sure to turn the power off and wait for five minutes or more before opening the cover in order to prevent accident leading to electrical shock.

CAUTION

Basic precaution

1. Be sure to read the instruction manual and other explanatory documents supplied with accessories of the machine before using the machine. Carefully keep the instruction manual and the explanatory documents at hand for quick reference.
2. The content of this section includes items which are not contained in the specifications of your product.
3. Be sure to wear safety goggles to protect against accident caused by needle breakage.
4. Those who use a heart pacer have to use the machine after consultation with a medical specialist.

Safety devices and warning labels

1. Be sure to operate the machine after verifying that safety device(s) is correctly installed in place and works normally in order to prevent accident caused by lack of the device(s).
2. If any of the safety devices is removed, be sure to replace it and verify that it works normally in order to prevent accident that can result in personal injury or death.
3. Be sure to keep the warning labels adhered on the machine clearly visible in order to prevent accident that can result in personal injury or death. If any of the labels has stained or come unstuck, be sure to change it with a new one.

Application and modification

1. Never use the machine for any application other than its intended one and in any manner other than that prescribed in the instruction manual in order to prevent accident that can result in personal injury or death. JUKI assumes no responsibility for damages or personal injury or death resulting from the use of the machine for any application other than the intended one.
2. Never modify and alter the machine in order to prevent accident that can result in personal injury or death. JUKI assumes no responsibility for damages or personal injury or death resulting from the machine which has been modified or altered.

Education and training

1. In order to prevent accident resulting from unfamiliarity with the machine, the machine has to be used only by the operator who has been trained/educated by the employer with respect to the machine operation and how to operate the machine with safety to acquire adequate knowledge and operation skill. To ensure the above, the employer has to establish an education/training plan for the operators and educate/train them beforehand.

Items for which the power to the machine has to be turned off

Turning the power off: Turning the power switch off, then removing the power plug from the outlet. This applies to the following.

1. Be sure to immediately turn the power off if any abnormality or failure is found or in the case of power failure in order to protect against accident that can result in personal injury or death.
2. To protect against accident resulting from abrupt start of the machine, be sure to carry out the following operations after turning the power off. For the machine incorporating a clutch motor, in particular, be sure to carry out the following operations after turning the power off and verifying that the machine stops completely.
   2-1. For example, threading the parts such as the needle, looper, spreader etc. which have to be threaded, or changing the bobbin.
   2-2. For example, changing or adjusting all component parts of the machine.
   2-3. For example, when inspecting, repairing or cleaning the machine or leaving the machine.
3. Be sure to remove the power plug by holding the plug section instead of the cord section in order to prevent electrical-shock, earth-leakage or fire accident.
4. Be sure to turn the power off whenever the machine is left unattended between works.
5. Be sure to turn the power off in the case of power failure in order to prevent accident resulting of breakage of electrical components.

PRECAUTIONS TO BE TAKEN IN VARIOUS OPERATION STAGES

Transportation

1. Be sure to lift and move the machine in a safe manner taking the machine weight in consideration. Refer to the text of the instruction manual for the mass of the machine.
2. Be sure to take sufficient safety measures to prevent falling or dropping before lifting or moving the machine in order to protect against accident that can result in personal injury or death.
3. Once the machine has been unpacked, never re-pack it for transportation to protect the machine against breakage resulting from unexpected accident or dropping.

Unpacking

1. Be sure to unpack the machine in the prescribed order in order to prevent accident that can result in personal injury or death. In the case the machine is crated, in particular, be sure to carefully check nails. The nails have to be removed.
2. Be sure to check the machine for the position of its center of gravity and take it out from the package carefully in order to prevent accident that can result in personal injury or death.

Installation

(I) Table and table stand

1. Be sure to use JUKI genuine table and table stand in order to prevent accident that can result in personal injury or death. If it is inevitable to use a table and table stand which are not JUKI genuine ones, select the table and table stand which are able to support the machine weight and reaction force during operation.
2. If casters are fitted to the table stand, be sure to use the casters with a locking mechanism and lock them to secure the machine during the operation, maintenance, inspection and repair in order to prevent accident that can result in personal injury or death.

(II) Cable and wiring

1. Be sure to prevent an extra force from being applied to the cable during the use in order to prevent electrical-shock, earth-leakage or fire accident. In addition, if it is necessary to cable near the operating section such as the V-belt, be sure to provide a space of 30 mm or more between the operating section and the cable.
2. Be sure to avoid starburst connection in order to prevent electrical-shock, earth-leakage or fire accident.
3. Be sure to securely connect the connectors in order to prevent electrical-shock, earth-leakage or fire accident. In addition, be sure to remove the connector while holding its connector section.

(III) Grounding

1. Be sure to have an electrical expert install an appropriate power plug in order to prevent accident caused by earth-leakage or dielectric strength voltage fault. In addition, be sure to connect the power plug to the grounded outlet without exceptions.
2. Be sure to ground the earth cable in order to prevent accident caused by earth leakage.

(IV) Motor

1. Be sure to use the specified rated motor (JUKI genuine product) in order to prevent accident caused by burnout.
2. If a commercially available clutch motor is used with the machine, be sure to select one with an entanglement preventive pulley cover in order to protect against being entangled by the V-belt.

Before operation

1. Be sure to make sure that the connectors and cables are free from damage, dropout and looseness before turning the power on in order to prevent accident resulting in personal injury or death.
2. Never put your hand into the moving sections of the machine in order to prevent accident that can result in personal injury or death. In addition, check to be sure that the direction of rotation of the pulley agrees with the arrow shown on pulley.
3. If the table stand with casters is used, be sure to secure the table stand by locking the casters or with adjusters, if provided, in order to protect against accident caused by abrupt start of the machine.

During operation

1. Be sure not to put your fingers, hair or clothing close to the moving sections such as the handwheel, hand pulley and motor or place something near those sections while the machine is in operation in order to prevent accident caused by entanglement that can result in personal injury or death.
2. Be sure not to place your fingers near the surround area of the needle or inside the thread take-up lever cover when turning the power on or while the machine is in operation in order to prevent accident that can result in personal injury or death.
3. The machine runs at a high speed. Never bring your hands near the moving sections such as looper, spreader, needle bar, hook and cloth trimming knife during operation in order to protect your hands against injury. In addition, be sure to turn the power off and check to be sure that the machine completely stops before changing the thread.

4. Be careful not to allow your fingers or any other parts of your body to be caught between the machine and table when removing the machine from or replacing it on the table in order to prevent accident that can result in personal injury or death.

5. Be sure to turn the power off and check to be sure that the machine and motor completely stop before removing the belt cover and V-belt in order to prevent accident caused by abrupt start of the machine or motor.

6. If a servomotor is used with the machine, the motor does not produce noise while the machine is at rest. Be sure not to forget to turn the power off in order to prevent accident caused by abrupt start of the motor.
7. Never use the machine with the cooling opening of the motor power box shielded in order to prevent fire accident by overheat.

Lubrication

1. Be sure to use JUKI genuine oil and JUKI genuine grease to the parts to be lubricated.
2. If the oil adheres on your eye or body, be sure to immediately wash it off in order to prevent inflammation or irritation.
3. If the oil is swallowed unintentionally, be sure to immediately consult a medical doctor in order to prevent diarrhea or vomiting.

Maintenance

1. In prevention of accident caused by unfamiliarity with the machine, repair and adjustment has to be carried out by a service technician who is thoroughly familiar with the machine within the scope defined in the instruction manual. Be sure to use JUKI genuine parts when replacing any of the machine parts. JUKI assumes no responsibility for any accident caused by improper repair or adjustment or the use of any part other than JUKI genuine one.
2. In prevention of accident caused by unfamiliarity with the machine or electrical-shock accident, be sure to ask an electrical technician of your company or JUKI or distributor in your area for repair and maintenance (including wiring) of electrical components.
3. When carrying out repair or maintenance of the machine which uses air-driven parts such as an air cylinder, be sure to remove the air supply pipe to expel air remaining in the machine beforehand, in order to prevent accident caused by abrupt start of the air-driven parts.
4. Be sure to check that screws and nuts are free from looseness after completion of repair, adjustment and part replacement.
5. Be sure to periodically clean up the machine during its duration of use. Be sure to turn the power off and verify that the machine and motor stop completely before cleaning the machine in order to prevent accident caused by abrupt start of the machine or motor.
6. Be sure to turn the power off and verify that the machine and motor stop completely before carrying out maintenance, inspection or repair of the machine. (For the machine with a clutch motor, the motor will keep running for a while by inertia even after turning the power off. So, be careful.)
7. If the machine cannot be normally operated after repair or adjustment, immediately stop operation and contact JUKI or the distributor in your area for repair in order to prevent accident that can result in personal injury or death.
8. If the fuse has blown, be sure to turn the power off and eliminate the cause of blowing of the fuse and replace the blown fuse with a new one in order to prevent accident that can result in personal injury or death.
9. Be sure to periodically clean up the air vent of the fan and inspect the area around the wiring in order to prevent fire accident of the motor.

Operating environment

1. Be sure to use the machine under the environment which is not affected by strong noise source (electromagnetic waves) such as a high-frequency welder in order to prevent accident caused by malfunction of the machine.
2. Never operate the machine in any place where the voltage fluctuates by more than "rated voltage ± 10% in order to prevent accident caused by malfunction of the machine.
3. Be sure to verify that the air-driven device such as an air cylinder operates at the specified air pressure before using it in order to prevent accident caused by malfunction of the machine.
4. To use the machine with safety, be sure to use it under the environment which satisfies the following conditions:

Ambient temperature during operation 5°C to 35°C

Relative humidity during operation 35% to 85%

1. Dew condensation can occur if bringing the machine suddenly from a cold environment to a warm one. So, be sure to turn the power on after having waited for a sufficient period of time until there is no sign of water droplet in order to prevent accident caused by breakage or malfunction of the electrical components.
2. Be sure to stop operation when lightning flashes for the sake of safety and remove the power plug in order to prevent accident caused by breakage or malfunction of the electrical components.
3. Depending on the radio wave signal condition, the machine may generate noise in the TV or radio. If this occurs, use the TV or radio with kept well away from the machine.
4. In order to ensure the work environment, local laws and regulations in the country where the sewing machine is installed shall be followed. In the case the noise control is necessary, an ear protector or other protective gear should be worn according to the applicable laws and regulations.
5. Disposal of products and packages and treatment of used lubricating oil should be carried out properly according to the relevant laws of the country in which the sewing machine is used.

Precautions to be taken so as to use the DLN-5410N Series more safely

1. Don't put your hand under the cloth cutting knife and the needle when you turn “on” the power switch or operate the machine.2. Don't put your hand into the thread take-up cover while the machine is running.3. Turn OFF the power switch before tilting the machine head or removing the belt cover and the V belt.4. Never bring your fingers, hair or clothing close to, or place anything on the handwheel, V belt, bobbin winder wheel or motor during operation.5. If your machine is provided with a belt cover, finger guard and safety plate, never operate your machine with any of them removed.6. When tilting the machine head, exercise care not to allow your fingers etc. to be caught under the machine head.7. The motor is completely silent when the machine is at rest. So, attention has to be paid not to forget to turn OFF the power to the machine after the termination of work.

8. To ensure safety, never operate the machine with the ground wire for the power supply removed.9. Before inserting/removing the power plug, the power switch has to be turned OFF in advance.10. In time of thunder and lightening, stop your work and disconnect the power plug from the receptacle so as to ensure safety.11. If the machine is suddenly moved from a cold place to a warm place, dew condensation may be observed. In this case, turn ON the power to the machine after you have confirmed that there is no danger of water drops in the machine.12. Be careful of handling this product so as not to pour water or oil, shock by dropping, and the like since this product is a precision instrument.

CAUTION

In addition, be aware that the safety devices such as the "eye protection cover" and "finger guard" are sometimes omitted in the sketches, illustrations and figures included in the Instruction Manual for the explanation's sake. In the practical use, never remove those safety devices.

DECLARATION OF INCORPORATION OF PARTLY COMPLETED MACHINERY

We hereby declare that the sewing machine (sewing head) described below ;

1. Must not be put into service until the machinery to which it is incorporated has been declared in conformity with the provisions of the Directive 2006/42/EC, and
2. Conforms to the essential requirements of the Directive 2006/42/EC, described in the technical documentation, and
3. To be prepared with the above technical documentation compiled in accordance with part B of Annex VII, and
4. Also to conform to the RoHS Directive 2011/65/EU
5. Relevant information on which should be transmitted in response to a reasoned request by the national authorities, by the electronic method or other according to the request.

Model DLN-5410N Series

Description Industrial Sewing Machine

Function make stitches and sew

Applied harmonized standards, in particular :

EN ISO12100, EN ISO10821, EN 50581

Manufacturer :

JUKI CORPORATION

2-11-1, Tsurumaki, Tama-shi, Tokyo, Japan

Warning symbols and safety icons for mechanical devices, including warning signs and hazard symbols

1 2 3

1 2

Hazardous voltage will cause injury.
Turn off main switch and unplug power cord and wait at least 5 minutes before opening this cover.

GEFAHR

Warning symbols and safety icons for mechanical components, including warning signs and hazard symbols

1 2 3

1 2

Warning symbols with icons and labels, including exclamation marks and safety symbols

1 2

1 2

Hazardous voltage will cause injury. Turn off main switch and unplug power cord and wait at least 5 minutes before opening this cover.

PERICOLO

To avoid malfunction and damage of the machine, confirm the following.

• Before you put the machine into operation for the first time after the set-up, clean it thoroughly. Remove all dust gathering during transportation and oil it well.
• Confirm that the voltage has been correctly set. Confirm that the power plug has been properly connected to the power supply.
  • Never use the machine in the state where the voltage type is different from the designated one.
• Confirm that the direction of rotation of the motor pulley is correct.
• Operate your machine at the normat sewing speed or less for the first month after the set-up.

	DLN-5410N · 5410N-7 DLN-5410NH · 5410NH-7 DLN-5410NL DLN-5410NJ-7
Application	General fabrics, light-to medium-weight materials	Medium-to heavy-weight materials For jeans
Sewing speed Max. 5,000 sti/min		Max. 4,000 sti/min	Max. 3,000 sti/min Max. 4,000 sti/min
Stitch length (max.)	4 mm 4.5 mm 6 mm 4.5 mm
Needle	SCHMETZ 134 #65 to #110 (DBx1 #9 to #18)	SCHMETZ 134 #125 to #160 (DBx1 #20 to #23)
Presser foot lift (by knee lifter)	Standard 10 mm Max. 13 mm
Lubricating oil JUKI New Defrix Oil No.1
Noise	DLN-5410N- Equivalent continuous emission sound pressure level ( L_pA ) at the workstation:A-weighted value of 83.0 dB; (Includes K_pA = 2.5 dB); according to ISO 10821- C.6.2 -ISO 11204 GR2 at 5,000 sti/min.- Sound power level ( L_wA );A-weighted value of 88.5 dB; (Includes K_wA = 2.5 dB); according to ISO 10821- C.6.2 -ISO 3744 GR2 at 5,000 sti/min.DLN-5410N-7- Equivalent continuous emission sound pressure level ( L_pA ) at the workstation:A-weighted value of 81.5 dB; (Includes K_pA = 2.5 dB); according to ISO 10821- C.6.2 -ISO 11204 GR2 at 5,000 sti/min.- Sound power level ( L_wA );A-weighted value of 87.5 dB; (Includes K_wA = 2.5 dB); according to ISO 10821- C.6.2 -ISO 3744 GR2 at 5,000 sti/min.

1. TECHNISCHE DATEN

1) The oil pan should be installed in such a way that it is securely held in position by the four corners of the machine table groove.
2) Fix two rubber seats ① on side A (operator's side) using nail ② as illustrated above. Fix two cushion seats ③ on side B (hinged side) using a rubber-based adhesive.

Then place oil pan ④ on the fixed seats.

DLN-5410N-7
DLN-5410NH-7 DLN-5410NJ-7

ONH-7 ONJ-7 23.5 mm 19.5 mm ① ② ③ A B

DLN-5410N
DLN-5410NH DLN-5410NL

ONH ONL 22.5 mm 18.5 mm ① ④ ② ③ A B

2. INSTALACION

Technical diagram of a mechanical component with numbered parts and an inset view showing a cable or connector detail.

Technical line drawing of a sewing machine with labeled parts ①, ②, and ③

2. INSTALLATION

Carry out the following steps of procedure after the power switch has been turned OFF.

Technical line drawing of mechanical assembly with exploded and assembled views (no text or symbols)

1. INSTALLING THE BELT COVER AND THE BOBBIN WINDER
2. INSTALLIEREN DER RIEMENABDECKUNG UND DES SPULENWICKLERS
3. POSE DU COUVRE-COURROIE ET DU BOBINEUR
4. MODO DE INSTALAR LA CUBIERTA DE LA CORREA Y LA DEVANADORA
5. POSIZIONAIMENTO DEL COPRICINGHIA E DELL'AVVOLGIBOBINA

15 mm 14 mm

1. ADJUSTING THE HEIGHT OF THE KNEE LIFTER
2. EINSTELLEN DER HÖHE DES KNIEHEBERS
3. REGLAGE DE LA HAUTEUR DU RELEVEUR A GENOUILLERE
4. AJUSTE DE LA ALTURA DEL ELEVADOR DE LA RODILLA
5. REGOLAZIONE DELL'ALTEZZA DELLA LEVA A GINOCCHIO

Technical line drawing of a mechanical device with multiple components and mounting brackets (no text or symbols)

1. INSTALLING THE THREAD STAND
2. AUFSTELLEN DES GARNSTÄNDERS
3. POSE DU BANC DE FIL
4. INSTALACION DEL PEDESTAL DEL HILO
5. MONTAGGIO DEL PORTAFILO

Carry out the following steps of procedure after the power switch has been turned OFF.

A B 1 2 JUKI = HIGH = LOW

6. SCHMIERUNG

1) Fill oil pan ① will JUKI New Defrix Oil No. 1 up to HIGH mark A.
2) When the oil level lowers below LOW mark B, refi ll the oil pan with the specifi ed oil.
3) When you operate the machine after lubrication, you will see splashing oil through oil slight window ② if the lubrication is adequate.

(Caution)

1. When you first operate your machine after setup or after an extended period of disuse, run your machine at 3,000 sti/min to 3,500 sti/min. for about 10 minutes for the purpose of break-in.
2. When the machine is continuously used at a low speed (2,000 sti/min or less), make the machine run idle at a high speed (4,000 sti/min or more) for approximately 5 minutes once a week. Use clean oil and when the oil becomes dirty, replace it with clean oil as soon as possible. When you continue to use the machine with dirty oil, the trouble will be caused.

6. LUBRIFICATION

Simple line drawing of a light bulb with rotation arrows, no text or symbols present

Carry out the following steps of procedure after the power switch has been turned OFF.

Technical line drawing of a sewing machine and its corresponding schematic view of a knife (no text or symbols present)

8. SETTING THE BOBBIN INTO THE BOBBIN CASE

1) Install the bobbin in the bobbin case so that the thread wound direction is counterclockwise.
2) Pass the thread through thread slit A, and pull the thread in direction B. By so doing, the thread will pass under the tension spring the come out from notch B.
3) Check that the bobbin rotates in the direction of the arrow when thread Ⓞ is pulled.

Technical diagram of a mechanical component with labeled parts A, B, and C, showing directional arrows indicating motion or force.

Line drawing of a mechanical assembly with a rotating component and mounting bracket (no text or symbols)

Carry out the following steps of procedure after the power switch has been turned OFF.

Technical diagram of a sewing machine with numbered parts and close-up insets for detail

Carry out the following steps of procedure after the power switch has been turned OFF.

1. Adjusting the needle thread tension

1) As you turn thread tension No. 1 nut ① clockwise (in direction A), the thread remaining on the needle after thread trimming will be shorter.

As you turn nut ① counterclockwise (in direction B), the thread length will be longer.(DLN-5410N-7, DLN-5410NH-7, DLN-5410NJ-7)

2) As you turn thread tension nut ② clockwise (in direction C), the needle thread tension will be increased.

As you turn nut ② counterclockwise (in direction D), the needle thread tension will be decreased.

2. Adjusting the bobbin thread tension

1) As you turn tension adjust screw ③ clockwise (in direction E), the bobbin thread tension will be increased.

As you turn screw ③ counterclockwise (in direction F), the bobbin thread tension will be decreased.

Technical diagram showing mechanical assembly steps with labeled parts A, B, C, D and numbered components 1 to 3

12. TENSION DEL HILO

Carry out the following steps of procedure after the power switch has been turned OFF.

1. Changing the stroke of thread take-up spring ①

1) Loosen setscrew ②.
2) As you turn tension post Ⓤ clockwise (in direction Ⓐ), the stroke of the thread take-up spring will be increased.
3) As you turn the knob counterclockwise (in direction ③), the stroke will be decreased.

1. Changing the pressure of thread take-up spring ②

1) Loosen setscrew ②, and remove thread tension (asm.) ⑤.
2) Loosen setscrew ④.
3) As you turn tension post ③ clockwise (in direction A), the pressure will be increased.
4) As you turn the post counterclockwise (in direction B), the pressure will be decreased.

Technical diagram of a mechanical assembly with labeled parts and directional arrows indicating motion or force directions.

13. RESORTE RECOGEDOR DEL HILO

Carry out the following steps of procedure after the power switch has been turned OFF.

1) When sewing heavy-weight materials, move thread guide ① to the left (in direction A) to increase the length of thread pulled out by the thread take-up.
2) When sewing light-weight materials, move thread guide ① to the right (in direction ②) to decrease the length of thread pulled out by the thread take-up.
3) Normally, thread guide ① is positioned in a way that marker line ② is aligned with the center of the screw.

A B 1 C

14. AJUSTE DEL RECORRIDO DEL RECOGEDOR DEL HILO

1) To stop the machine with its presser foot up, turn hand lifter lever ① in direction A.
2) The presser foot will go up about 5.5 mm and stop. The presser foot will go back to its original position when hand lifter lever is turned down in direction B.
3) Using the knee lifter, you can get the standard presser foot lift of about 10 mm and the maximum lift of about 13 mm.

JUKI A B JUKI

Carry out the following steps of procedure after the power switch has been turned OFF.

1. Adjust the timing between the needle and the hook as follows :

1) Rotate the handwheel until the needle bar comes down to its lowest position, and loosen screw ①. Be sure to set feed adjusting dial at 0 on the scale. (Adjusting the needle bar height)
2) Align marker line A on needle bar ② with the bottom end of needle bar lower bushing ③, then tighten setscrew ①. (Adjusting position of the hook A.)
3) Loosen the three hook setscrews. turn the handwheel, and align marker line B on ascending needle bar ② with the bottom end of needle bar lower bushing ③.
4) In the aforementioned state, align hook blade point ⑤ with the center of needle ④. Then, securely tighten the setscrews in the hook with a clearance of 0.06 to 0.1 mm (reference value) (for DLN-5410N and DLN-5410N-7) or 0.08 mm to 0.12 mm (reference value) (for DLN-5410NH, DLN-5410NL, DLN-5410NH-7 and DLN-5410NJ-7) provided between the hook and the needle.
* The hook used for the DLN-5410NJ-7 is D1830560EA0. Use the hook with this part number in the case of replacement.

Technical diagram of a sewing machine with labeled parts and exploded views

15. LEVA ALZA PIEDINO MANUALE

Carry out the following steps of procedure after the power switch has been turned OFF.

1) Set the feed regulating dial to 0.
2) As standard adjustment is performed as follows:

Loosen setscrews ① and ②. Align the top of the needle and top surface of the feed dog with the top surface of the throat plate when the feed dog rises above the throat plate. Then, securely tighten the setscrews.

3) Move the feed eccentric cam in the direction of the arrow, and the feed timing will be quikened.
4) Move the feed eccentric cam in the direction opposite to the arrow, and the feed timing will be retarded.

Technical diagram of a mechanical assembly with numbered components and directional arrows indicating flow or movement.

Three schematic diagrams showing mechanical or structural deformation under different conditions, with no visible text or symbols.

16. RELAZIONE FASE AGO/CROCHET

Technical diagram of a mechanical assembly with labeled parts and corresponding cross-sectional views showing internal components.

Carry out the following steps of procedure after the power switch has been turned OFF.

The standard tilt (horizontal) of the feed dog is obtained when marker dot A on the feed bar shaft is aligned with marker dot B on feed rocker 1.

Technical diagram of a mechanical assembly with labeled parts A, B, and I, alongside three schematic diagrams showing waveform or crack patterns.

Carry out the following steps of procedure after the power switch has been turned OFF.

To adjust the height of the feed dog :

① Loosen screw ② of crank ①.
② Move the feed bracket up or down to make adjustment.
③ Securely tighten screw ②.

DLN-5410N DLN-5410N-7 0.8–0.9 mm DLN-5410NL DLN-5410NH DLN-5410NH-7 DLN-5410NJ-7 0.95–1.05 mm

1) Loosen setscrew ①, and adjust the presser foot height and the angle of the presser foot.
2) After adjustment, securely tighten the setscrew ①.

Technical diagram showing a mechanical or electrical component with labeled parts and a numbered annotation pointing to a circular feature.

20. AJUSTE DE LA ALTURA DEL PRENSATELAS

Carry out the following steps of procedure after the power switch has been turned OFF.

1) The standard stitch width is obtained when marker line ① of the feed rocker shaft crank align with marker line ② of needle feed rod shaft.
2) When it is required to make the needle feed amount larger than the feed dog amount, loosen locknut ③, move needle feed rod shaft ④ to the direction A, and tighten locknut ③.
3) On the contrary, moving needle feed rod shaft ④ to the direction ⑤, the needle feed amount will be smaller than the feed dog amount.
(Note) Excessive adjustment of the stitch width might cause a needle breakage or other undesirable results.

Technical diagram of a vehicle intake manifold with labeled parts and component annotations

21. MODO DE AJUSTAR LA ANCHURA DE PUNTADA

Carry out the following steps of procedure after the power switch has been turned OFF.

1. Stop position after thread trimming

1) The standard needle stop position is obtained by aligning marker dot A on the machine arm with white marker dot B on the handwheel.
2) Stop the needle in its highest position, loosen screw ① to perform adjustment within the slot of the screw.

Technical diagram showing mechanical components with labeled parts A, B, and numbered circles ①, ②, ③, ④

22. AJUSTE DE LA POSICION DE DETENCION DE LA AGUJA (DLN-5410N-7, DLN-5410NH-7, DLN-5410NJ-7)

2. Lower stop position

The lower needle stop position when the pedal is returned to the neutral position after the front part of the pedal is depressed can be adjusted as follows :

Stop needle ① in its lowest position, loosen screw ②, and make adjustment within the slot of the screw.

Technical line drawing of a sewing machine and a mechanical component (no text or symbols)

Carry out the following steps of procedure after the power switch has been turned OFF.

1. Adjusting the pressure required to depress the front part of the pedal

This pressure can be changed by altering the mounting position of pedaling pressure adjust spring ①.

1. Adjusting the pressure required to depress the back part of the pedal

This pressure can be adjusted using regulator screw ②.

1. Adjusting the pedal stroke

The pedal stroke decreases when you insert connecting rod ③ into the left hole.

JUKI

23. PRESION DEL PEDAL Y RECORRIDO DEL PEDAL (DLN-5410N-7, DLN-5410NH-7, DLN-5410NJ-7)

Carry out the following steps of procedure after the power switch has been turned OFF.

1. Installing the connecting rod

Move pedal ③ to the right or left as illustrated by the arrows so that motor control lever ① and connecting rod ② are straightened.

1. Adjusting the pedal angle

1) The pedal tilt can be freely adjusted by changing the length of the connecting rod.
2) Loosen adjust screw ④, and adjust the length of connecting rod ②.

JUKI 1 2 3 4 JUKI 03X0

24. AJUSTE DEL PEDAL (DLN-5410N-7, DLN-5410NH-7, DLN-5410NJ-7)

The pedal is operated in the following four steps :

1) The machine runs at low sewing speed when you lightly depress the front part of the pedal. B
2) The machine runs at high sewing speed when you further depress the front part of the pedal. A (If the automatic reverse feed stitching has been preset, the machine runs at high speed after it completes reverse feed stitching.)
3) The machine stops (with its needle up or down) when you reset the pedal to its original position.
4) The machine trims threads when you fully depress the back part of the pedal.
- If your machine is provided with the Auto-lifter (AK Series), an addition step is given between the machine stop and thread trimming step. The presser foot goes up when you lightly depress the back part of the pedal Ⓓ, and if you further depress the back part, the thread trimmer is actuated.

Technical diagram showing five labeled mechanical or structural components (A–E) with arrows indicating movement or assembly.

25. OPERACION DEL PEDAL

(DLN-5410N-7, DLN-5410NH-7, DLN-5410NJ-7)

1) The moment switch lever Ⓞ is pressed, the machine performs reverse feed stitching.
2) The machine performs reverse feed stitching as long as the switch lever is held depressed.
3) The machine resumes normal feed stitching the moment the switch lever is released.

Carry out the following steps of procedure after the power switch has been turned OFF.

2. Height of the switch lever

1) Adjust the height of switch lever ① so that it can be easily operated.
2) Loösen screw ②, and move the switch lever up or down to adjust its height.

Technical line drawing of a sewing machine needle and foot (no text or symbols)

Technical line drawing of a mechanical assembly with no visible text or symbols

26. MECANISMO DEL RETROCESO DE UN TOQUE (DLN-5410N-7, DLN-5410NH-7, DLN-5410NJ-7)

1. Operación

Carry out the following steps of procedure after the power switch has been turned OFF.

1) Turn the handwheel in the normal direction of rotation to align white marker dot ① on the handwheel with marker dot ② on the machine arm.

Technical diagram showing a mechanical component with labeled parts 1 and 2, including a circular dial indicator.

27. POSICION DEL RETIRAHILLOS (DLN-5410N-7, DLN-5410NH-7, DLN-5410NJ-7)

Technical diagram of a sewing machine with labeled parts and an inset showing measurement annotations in millimeters.

Technical line drawing of a mechanical assembly with no visible text or symbols

Carry out the following steps of procedure after the power switch has been turned OFF.

Technical diagram of a mechanical assembly with labeled components and directional arrows indicating motion or force.

DLN-5410NH-7, DLN-5410NJ-7

Technical diagram of a mechanical assembly with labeled parts and an inset view showing a cross-section of a component.

DLN-5410N-7

28. COUNTER KNIFE (DLN-5410N-7, DLN-5410NH-7, DLN-5410NJ-7)

1. When the knife sharpness has deteriorated, resharpen counter knife ⏻ as illustrated in Ⓒ, and properly reinstall it.

1) If the mounting position of the counter knife is moved in direction A from the standard mounting position, the thread length after thread trimming will be increased accordingly.
2) If the mounting position of the counter knife is moved in direction B, the thread length will be decreased accordingly.

a Moving knife

b Center of needle

© standard : 4.0 mm (DLN-5410N-7)

① standard : 4.5 mm

(Caution) When re-sharpening the knife blade, extra special care must be taken on the handling of the knife.

28. GEGENMESSER (DLN-5410N-7, DLN-5410NH-7, DLN-5410NJ-7)

SEWING MACHINERY BUSINESS UNIT

2-11-1, TSURUMAKI, TAMA-SHI.

Copyright © 2011-2013 JUKI CORPORATION

• All rights reserved throughout the world.
• Alle Rechte weltweit vorbehalten.
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• Reservados todos derechos en el mundo entero.
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Please do not hesitate to contact our distributors or agents in your area for further information when necessary.

* The description covered in this instruction manual is subject to change for improvement of the commodity without notice.
Bitte wenden Sie sich an unsere Händler oder Vertreter in Ihrer Nähe, wenn Sie weitere Informationen benötigen.
* Änderungen der in dieser Betriebsanleitung enthaltenen Beschreibungen, die der Verbesserung des Produktes dienen, bleiben vorbehalten.
Pour plus d'information, n'hésitez pas à consulter nos distributeurs ou agents dans votre région.
* Les spécifications données dans le présent Manuel d'utilisation sont sujettes à modification sans préavis.
Sirvase ponerse en contacto con nuestros distribuidores o agentes en su área siempre que necesite alguna información más detallada.
* La descripción que se de en este manual de instrucciones está sujeta a cambio sin previo aviso por razones de mejora de la mercancía.
Per ulteriore informazione, si prega di non esitare a mettersi in contatto con nostri distributori o agenti vostra area quando necessario.
* Le descrizioni contenute in questo manuale d' istruzioni sono soggette a modifiche senza alcun preavviso.