JUKI DDL-9000B-SH Engineering Manual

JUKI DDL-9000B-SH Engineering Manual

Ddl-9000b series direct-drive, high-speed, 1-needle, lockstitch machine with automatic thread trimmer
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Direct-drive, High-speed, 1-needle, Lockstitch Machine with
Automatic Thread Trimmer
DDL-9000B
ENGINEER'S MANUAL
40089335
No.E392-01

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Summary of Contents for JUKI DDL-9000B-SH

  • Page 1 ® Direct-drive, High-speed, 1-needle, Lockstitch Machine with Automatic Thread Trimmer DDL-9000B ENGINEER’S MANUAL 40089335 No.E392-01...
  • Page 2 PREFACE This Engineer’s Manual is written for the technical personnel who are responsible for the service and maintenance of the machine. The Instruction Manual for these machines intended for the maintenance personnel and operators at an apparel factory contains operating instructions in detail. It is advisable to use the Instruction Manual and Parts List for SC-920 together with this Engineer's Manual when carrying out the maintenance of these machines.
  • Page 3: Table Of Contents

    CONTENTS 1. Specifications ....................2. Name of each component ................2 3. Standard adjustment ..................4 (1) Feed dog height and gradient ................... 4 (2) Timing for the needle and the inner hook ..............6 (3) Needle and feed timing ....................8 (4) Feed locus and phase ....................
  • Page 4 5) Correct position of the counter knife ....................48 6) Adjustment of rise of the second thread tension disc ..............50 1. How to check the amount of rise of the second thread tension disc ........... 51 2. How to adjust the amount of rise of the second thread tension disc ........... 51 7) Adjustment of the fixed knife blade tip ..................52 8) Replacement of the moving knife ....................54 9) Replacement of the knife thread guide ..................56...
  • Page 5: Specifications

    *1: The machine shall be used at maximum of 4,000 rpm for the stitch of 4 mm. *2: JUKI New Defrix Oil No. 1 or JUKI Machine Oil 7 (equivalent to ISO VG7) *3: JUKI New Defrix Oil No.2 (equivalent to ISO VG32) *4: When a version of the DDL-9000B-MA specification is used over a speed of 4,000sti/min, the presser pressure adjusting spring should be replaced for the standard type.
  • Page 6: Name Of Each Component

    2. Name of each component Power switch Knee lifter Operation panel (CP-18, 180 or IP-110) Oil filler port (except for DDL-9000B-DS) Pulley cover Feed lever Thread stand Minute adjustable presser lifting screw Control box (SC-920) Hand wheel Operation pedal Take-up lever cover One-touch type reverse feed button Finger guard Wiper...
  • Page 7 Power switch This switch turns on and off the power to the head unit motor, electric components, and operation panel. Operation panel (CP-18, 180 or IP-110) This panel allows users to conduct the settings of automatic reverse stitching, head sewing, sewing speed, and more.
  • Page 8: Standard Adjustment

    9000B-SH : 1.2mm Standard feed dog height (Feed dial graduation 0) 0.8mm : DDL-9000B- S, DDL-9000B-MA 1.2mm : DDL-9000B-SH Standard feed dog gradient The engraved marker dot on the feed bar shaft is adjusted by a feed dog of relevant standard.
  • Page 9 If the height has to be increased for an unavoidable reason, the amount of return can be reduced by adjusting the gradient of the feed dog to raise its tip. 0.8mm DDL-9000B- S, MA 1.2mm DDL-9000B-SH – 5 –...
  • Page 10: Timing For The Needle And The Inner Hook

    (2) Timing for the needle and the inner hook Standard Adjustment 0.04 to 0.1mm Lubricated hook K Part No. : 23621303 – 6 –...
  • Page 11 About the needle bar Amount of Specifications Part No. Needle shank looper return DDL-9000B-SS 22886904 1.8mm ø1.64 DDL-9000B-SS 22887004 1.8mm ø2.02 DDL-9000B-M , DS 40086602 1.8mm ø1.64 DDL-9000B-M , DS 40086604 1.8mm ø2.02 DDL-9000B-SH 40061767 2.3mm ø2.04 – 7 –...
  • Page 12: Needle And Feed Timing

    (engraved marker line position) Other than B-SH B-SH Needle and feed timing Standard Adjustment Models Other than DDL-9000B-SH DDL-9000B-SH Vertical feed cam engraved marker line 0° +20° Feed dial graduations In a moment when the feed dog is positioned below the upper...
  • Page 13 * In cases other than the DDL-9000B-SH, coincidence of the engraved marker dot of the pulley cover with the engraved...
  • Page 14: Feed Locus And Phase

    (4) Feed locus and phase Standard Adjustment 3. Timing slow 1. Timing standard 2. Timing fast – 10 –...
  • Page 15 Adjustment Procedure Results of Improper Adjustment [Feed locus change] o When tightening the two setscrews By adjusting the phase of the vertical feed cam , it is possible to change of the vertical feed cam , this the up/down timing for the feed locus and needle. work should be done while a good Adjustments can be carried out with two setscrews centering is secured.
  • Page 16: Bobbin Insertion

    (5) Bobbin insertion Standard Adjustment 1) Bobbin case with idling prevention spring (Drawing is for 40000264.) o For the bobbin case with idling prevention spring Bobbin revolution – 12 –...
  • Page 17 Adjustment Procedure Results of Improper Adjustment 1. Hold the bobbin so that it turns to the right and insert it in the bobbin o If the direction of clockwise wind- case. (See Drawing.) ing is adopted, variation is less- 2. Pass the thread through the threading port of the bobbin case.
  • Page 18: Adjustment Of Inner Hook Presser Position

    (6) Adjustment of inner hook presser position Standard Adjustment Inner hook Needle entry * As seen from above, after removing the throat plate About the standard part numbers Other than DDL-9000B-SH DDL-9000B-SH Inner hook presser 40089607 40089610 – 14 –...
  • Page 19 Adjustment Procedure Results of Improper Adjustment 1. The front and rear positions of the inner hook presser can be adjusted by means of the setscrew [Standard adjusting value] o If the embossed part of the inner Fasten the needle entry section by means of the setscrew hook presser has any flaw, this that it is located closer to the shoulder section toward the front side...
  • Page 20: Lubrication

    (7) Lubrication Standard Adjustment 1) Method of lubrication DDL-9000B-S (Specification for minute-quantity lubrication) Float DDL-9000B-M (Specification for semi-dry items) Float DDL-9000B-DS (Specification for dry items) – 16 –...
  • Page 21 Adjustment Procedure Results of Improper Adjustment 1. DDL-9000B-S (Specification for minute-quantity lubrication) Face plate needle bar lubrication : Minute-quantity lubrication by the oil wick Hook : Forced lubrication by the plunger pump Quantity of oil can be adjusted by the hook oil adjusting screw Lubricant can be fed to the oil tank through the...
  • Page 22: Method Of Lubrication To The Oil Tank

    (7) Lubrication Standard Adjustment 2) Method of lubrication to the oil tank (DDL-9000B-S and DDL-9000B-M only) 3) Method of oil drainage from the oil tank (DDL-9000B-S and DDL-9000B-M only) Engraved marker line MAX Engraved marker line MIN – 18 –...
  • Page 23 1. Remove the lubrication hole cap and replenish the JUKI New Defrex Oil No. 1 (Part No.: MDFRX160000) or the JUKI Machine Oil 7 (Part No.: MML007600CA) with the use of an accessory oilcan. 2. Feed the oil until the tip of the oil level indicator bar...
  • Page 24: Cleaning Of The Oil Filter

    (7) Lubrication Standard Adjustment 4) Cleaning of the oil filter (DDL-9000B-S and DDL-9000B-M only) – 20 –...
  • Page 25 Adjustment Procedure Results of Improper Adjustment (DDL-9000B-S and DDL-9000B-M only) Clean the oil filter periodically (approximately once every three o If there is clogging in the oil filter months). , smooth lubrication cannot be 1. Let the sewing machine fall down. maintained from the lubrication 2.
  • Page 26: Oil In The Gear Box

    (7) Lubrication Standard Adjustment 5) Oil in the gear box 6) Placement/displacement of the gear box cover 7) Cautions for gear box cover oil during transportation Adequate oil Oil level level line (top) Adequate oil level line (bottom) – 22 –...
  • Page 27 4. Remove the lubrication stop plug from the bed side and replenish 140cc of the JUKI New Defrex Oil No. 2. (JUKI New Defrex Oil No. 2 Part No.: MDFRX2700C0) * After replenishment, confirm the oil level through the oil peep window * Apply a sealant when mounting the lubrication stop plug again.
  • Page 28: Adjustment Of Hook Oil Quantity

    Oil quantity (large) Oil sprinkles from the hook Oil sprinkles from the hook • DDL-9000B-SS, B-M : 1 to 1.5mm • DDL-9000B-SS, B-M : 0.5 to 1mm • DDL-9000B-SH : 2 to 4mm • DDL-9000B-SH : 1 to 3mm – 24 –...
  • Page 29 Adjustment Procedure Results of Improper Adjustment 8) Adjustment of hook oil quantity When the hook oil quantity adjusting screw is tightened (turned to the right), the amount of hook oil is increased. When it is loosened (turned to the left), the amount of hook oil is decreased. 9) Hook oil adjustment procedures o By feeding very much oil, let the 1.
  • Page 30: Adjustment Of The Amount Of Feeding

    (8) Adjustment of the amount of feeding Standard Adjustment 1) Adjustment of forward feed stitch length 2) Reverse feed stitch length check (manual) 3) Reverse feed stitch length check (motor-power) – 26 –...
  • Page 31 Adjustment Procedure Results of Improper Adjustment * Figures on the graduations are indicated in the unit of mm. 1) Adjustment of forward feed stitch length 1. Turn the feed adjust dial in the direction of the arrow so that the required figure is adjusted to the engraved marker dot of the arm.
  • Page 32: Optional Switch

    (8) Adjustment of the amount of feeding Standard Adjustment 4) Optional switch – 28 –...
  • Page 33 Adjustment Procedure Results of Improper Adjustment 4) Optional switch When an optional switch is used, the functions specified below become available by a one-touch action. (SC-920) (Cautions) Select one of the functions specified below by taking a one-touch action. Optional switch part No.: 23632656 1.
  • Page 34: Adjustment Of Normal/Reverse Stitching

    (8) Adjustment of the amount of feeding Standard Adjustment 5) Adjustment of normal/reverse stitching 6) Adjustment of Feed 0 1. Method by removing the gear box cover (standard adjustment) – 30 –...
  • Page 35 Adjustment Procedure Results of Improper Adjustment 5) Adjustment of normal/reverse stitching 1. Pinch a piece of paper beneath the presser hardware and set the feed dial graduation at 3. 2. Remove the window plate (6 pcs.) of the sewing machine. o The chamfered section of the * If it is difficult to work, or in the case of the AK-type machine head,...
  • Page 36: Adjustment Of The Feed Dial Section

    (8) Adjustment of the amount of feeding Standard Adjustment 7) Adjustment of the feed dial section Part Configuration Diagram of the feed dial mechanism Arm’s engraved marker dot Feed dial graduation 0 Small recess: Clearance A becomes wide. Large recess: Clearance A becomes narrow.
  • Page 37 O ring in the groove section. Information about the appropriate grease (Optional item) Part name Part No. JUKI grease A 40006323 2. Adjust the feed dial and the feed adjusting screw , and temporarily join them with the feed dial screw 3.
  • Page 38: Installation Of The Reverse Feed Arm And The Reverse Feed Solenoid

    (8) Adjustment of the amount of feeding Standard Adjustment 8) Installation of the reverse feed arm and the reverse feed solenoid 0.5 to 1.0mm 9) Stop position of the feed control spring rack Install the feed control spring rack (40086728) so that a distance of 2.3mm is kept between the oblong hole end plane of the bed column B and the end part of the setscrew Details in Part A...
  • Page 39 Adjustment Procedure Results of Improper Adjustment 8) Installation of the reverse feed solenoid 1. Installation of the reverse feed arm and the reverse feed solenoid 1. Attach the washer and the rubber seat to the reverse feed solenoid plunger in this order. Install the reverse feed solenoid and temporarily fasten it with three each of setscrews and washers...
  • Page 40: Adjustment Of The Presser Lifter

    (9) Adjustment of the presser lifter Standard Adjustment 1) Adjustment of the presser pressure Height of the presser adjusting screw be read from the upper face value of the nut Example: Approx. 40mm 2) Adjustment of thread release changeover Upward Downward –...
  • Page 41 Presser Specifications Height mm pressure N pressure kg DDL-9000B- DDL-9000B-SH DDL-9000B-MA 2) Adjustment of thread release changeover o Adequate thread tension can be 1. When thread release changeover is adjusted, thread tension disc maintained even when the knee floating can be cleared.
  • Page 42: Adjustment Of The Micro-Lifter

    (9) Adjustment of the presser lifter Standard Adjustment 3) Adjustment of the micro-lifter Approx. 9mm 4) Adjustment of the micro-lifter unit (available separately) 22908552 Presser lifter cam (using the head connector) B1521555000 Presser lifter lever setscrew (using the head connector) Components of the micro-lifter unit Part No.
  • Page 43 Adjustment Procedure Results of Improper Adjustment 3) Adjustment of the micro-lifter o When handling fluffy materials According to the material to be sewn, the presser can be lifted in the such as elastic materials or vel- middle of sewing. vets, material shifting and damage 1.
  • Page 44: Adjustment Of Needle Stop Position

    (10) Adjustment of needle stop position Standard Adjustment 1) Adjustment of upper stop position (Stop position after thread trimming) 2) Adjustment of lower stop position Setup No. Functions Standard Setting range Upper needle stop position –15 to 15 Lower needle stop position –15 to 15 –...
  • Page 45 Adjustment Procedure Results of Improper Adjustment 1) Adjustment of upper stop position (Stop position after thread trimming) The standard needle stop position is located where the engraved marker dot A of the pulley cover coincides with the white marker dot B of the hand wheel.
  • Page 46: Thread Trimming Unit

    (11) Thread trimming unit Standard Adjustment 1) Adjustment of the thread trimming cam position [Type I] [Type II] Greasing parts 2) Adjustment of the thread trimming link stopper screw Outside Inside The screw tip is flat. The screw tip is pointed. –...
  • Page 47 (11)-3) Standard timing for the thread trimming cam]. [Type I] 5. Fix the stopper plate with the two stopper plate setscrew [Type II] 5. Apply a slightly increased amount of appropriate grease (JUKI Grease A) to Part of the stopper plate and Part of the stopper guide 6.
  • Page 48: Standard Timing For The Thread Trimming Cam

    (11) Thread trimming unit Standard Adjustment 3) Standard timing for the thread trimming cam Turn the thread trimming cam in the direction of the arrow and fix the cam setscrew where the roller comes in contact with the outer periphery of the cam groove and stops there. Drawing as seen from A (left side) –...
  • Page 49: Method Of Confirmation

    Adjustment Procedure Results of Improper Adjustment Arm’s engraved marker dot coincides with hand wheel’s engraved marker dot (green). 1. Method of confirmation (1) Let the sewing machine fall down. (2) Turn the hand wheel by hand in regular direction until the thread take-up lever reaches a bit toward the upper dead point.
  • Page 50: Correct Position Of The Moving Knife

    (11) Thread trimming unit Standard Adjustment 4) Correct position of the moving knife Extreme backward position Needle core Needle core 9000B-SS, B-DS, B-M 9000B-SH Information about the initial position Moving knife positioning V-groove – 46 –...
  • Page 51: Extreme Backward Position

    Adjustment Procedure Results of Improper Adjustment 1. Extreme backward position <When the amount of withdrawal is large> When the moving knife moves at the maximum, its position is where o It becomes impossible to scoop its front tip is withdrawn by 2.5 to 3mm from the needle center. (Other the needle thread or the bobbin than 9000B-SH) (3 to 3.5mm for 9000B-SH)
  • Page 52: Correct Position Of The Counter Knife

    (11) Thread trimming unit Standard Adjustment 5) Correct position of the counter knife 9000B-SH 9000B-SS, B-DS, B-M Needle core Needle center 0.6mm Set it in the center – 48 –...
  • Page 53 Adjustment Procedure Results of Improper Adjustment [9000B-SS, B-DS, B-M The distance is 0.5mm between the knife thread guide and the blade tip of the counter knife In this case, the distance is 4mm between the needle center and the blade tip of the counter knife The blade tip of the counter knife is located 0.6mm above the mounting face.
  • Page 54: Adjustment Of Rise Of The Second Thread Tension Disc

    (11) Thread trimming unit Standard Adjustment 6) Adjustment of rise of the second thread tension disc – 50 –...
  • Page 55: How To Check The Amount Of Rise Of The Second Thread Tension Disc

    Adjustment Procedure Results of Improper Adjustment 1. How to check the amount of rise of the second thread tension disc (1) Set the thread take-up lever slightly in front of the upper dead point. (2) Raise the presser. (3) The standard amount of the rise of the second thread tension o If the amount of rise of the second disc is 0.5 to 1mm when the picker...
  • Page 56: Adjustment Of The Fixed Knife Blade Tip

    (11) Thread trimming unit Standard Adjustment 7) Adjustment of the fixed knife blade tip Chamfering and careful polishing This face shall be filed. (Face A) Blade tip (Face B) Sections C and D of the moving knife and the counter knife shall contact with each other at the same time.
  • Page 57 2. If the D side does not cut well, decrease this angle. If the C side does not cut well, increase this angle. About the counter knife Specifications Part No. Remarks DDL-9000B-SS, M D2406555D0H D2406555D0H with special DDL-9000B-DS 22895908 surface treatment DDL-9000B-SH 40050589 – 53 –...
  • Page 58: Replacement Of The Moving Knife

    (11) Thread trimming unit Standard Adjustment 8) Replacement of the moving knife – 54 –...
  • Page 59 Adjustment Procedure Results of Improper Adjustment [Method of replacement] 1. Let the sewing machine fall down and remove the hinge screw A of the moving knife link. 2. Return the sewing machine to its original position and remove gauges of the needle, throat plate, feed dog, etc. 3.
  • Page 60: Replacement Of The Knife Thread Guide

    (11) Thread trimming unit Standard Adjustment 9) Replacement of the knife thread guide Needle center Right angle Knife thread guide Part No. Remarks 9000B-SS, B-MS, B-MA 40044189 9000B-DS 40050588 40044189 with special surface treatment 9000B-SH 40044190 – 56 –...
  • Page 61 Adjustment Procedure Results of Improper Adjustment [Method of replacement] 1. Remove gauges of the needle, throat plate, feed dog, etc. o If there is no coincidence of the 2. Loosen the knife thread guide setscrew small and the knife thread knife thread guide and the cen- guide setscrew large A...
  • Page 62: Adjustment Of The Picker

    (11) Thread trimming unit Standard Adjustment 10) Adjustment of the picker [Type I] [Type II] Greasing parts Butt (0.5mm) When standard adjustments are completed, an oblong clearance is secured in the picker link and indispensable 0 to 0.3mm return motions (damper function) can be performed. In the status after standard adjustments, the bobbin thread presser settles almost in the center of Character U of the bobbin...
  • Page 63: Method Of Confirmation

    The needle thread is disengaged [Type II] from tip of the picker at the time (5) Apply a slightly increased amount of appropriate grease (JUKI of thread trimming. Thus, the Grease A) to Part of the stopper plate and Part...
  • Page 64: Adjustment Of The Drive Part Stopper

    (11) Thread trimming unit Standard Adjustment 11) Adjustment of the driven part stopper – 60 –...
  • Page 65 Adjustment Procedure Results of Improper Adjustment The driven part stopper is a safety device so that interference is prevented between the needle and the moving knife even though the roller comes off the thread trimming cam when any unexpected problem (such as a service interruption) occurs.
  • Page 66: Replacement Of The Knife Unit

    (11) Thread trimming unit Standard Adjustment 12) Replacement of the knife unit Knife unit Part No. Remarks 9000B-SS, B-MS, B-MA 40050585 9000B-DS 40050586 40050585 with special surface treatment 9000B-SH 40050587 13) Installed length of the thread trimmer connector bar (asm.) ±...
  • Page 67 Adjustment Procedure Results of Improper Adjustment 12) Replacement of the knife unit [Method of replacement] 1. Let the sewing machine fall down. 2. Remove the needle, hook, and the inner hook presser. 3. Remove the moving knife link stepped screw B * If removal is difficult to carry out, try to loosen the stepped screw and move the picker link before work.
  • Page 68: Protrusion Of The Thread Trimming Shaft And Stopper Position

    (11) Thread trimming unit Standard Adjustment 14) Protrusion of the thread trimming shaft and stopper position [Type I] ± 0.3mm Bed stud A Apply it so that it lightly touches the hole section of the bed. [Type II] ± 0.3mm Bed stud A –...
  • Page 69 Adjustment Procedure Results of Improper Adjustment [Type I] o If the amount of protrusion is too 1. When the thread trimmer solenoid is pulled, the amount of protrusion small, the action sound of the is 0.7mm to 1.3mm between the tip of the thread trimming shaft thread trimmer becomes large.
  • Page 70: Adjustment Of The Wiper (Ddl-9000B- -Wb)

    (12) Adjustment of the wiper (DDL-9000B- -WB) Standard Adjustment – 66 –...
  • Page 71 Adjustment Procedure Results of Improper Adjustment [Method of replacement] 1. Turn the hand wheel in the normal revolving direction and adjust the white marker dot of the hand wheel to arm’s engraved marker dot 2. Using the wiper collar , tighten and fix the wiper adjust screw in a fashion to press the wiper At that time, a distance of 1mm should be secured between the flat section of the wiper...
  • Page 72: Adjustment Of The Thrust Values For The Upper Shaft And The Upper/Lower Feed Shafts

    (13) Adjustment of the thrust values for the upper shaft and the upper/lower feed shafts Standard Adjustment – 68 –...
  • Page 73 Adjustment Procedure Results of Improper Adjustment 1. After everything has been installed for the upper shaft, remove rattles from bearings (pressurizing). (1) Assemble all parts for the upper shaft. (2) Loosen two setscrews of the upper sprocket. (3) Enter the tip of a tapered minus screwdriver into the coupling slot until it stops.
  • Page 74: Adjustment Of External Parts

    (14) Adjustment of external parts Standard Adjustment 1) Adjustment of the pulley cover 2) Clearance of the hand wheel – 70 –...
  • Page 75 Adjustment Procedure Results of Improper Adjustment 1) Adjustment of the pulley cover [Method of replacement] 1. Remove the hand wheel 2. Remove three pulley cover setscrews o This can be a cause of marker dot (Cautions) 1. At the time of re-assembly, the pulley cover displacement from the hand wheel should be kept raised.
  • Page 76: Adjustment Of The Bobbin Winder Unit

    (14) Adjustment of external parts Standard Adjustment 3) Adjustment of the bobbin winder unit Let the bobbin winder lever coincide with the head of bobbin winder unit setscrew Operator side 14mm In the state of OFF, the standard distance of the bobbin winder lever is 14mm from the bobbin winder shaft...
  • Page 77: Replacement Of The Bobbin Friction Wheel

    Adjustment Procedure Results of Improper Adjustment In regard to adjustments of the bobbin winder amount and winder imbalance, refer to the relevant instruction manual. In this manual, descriptions are provided in regard to problems of winder shaft revolution errors. 1. Replacement of the bobbin friction wheel (1) Remove three bobbin winder unit setscrews (2) Take out the bobbin winder unit (3) Confirm if there is extreme wearing out in the rubber section of the...
  • Page 78: Maintenance

    4. Maintenance Standard Adjustment (1) Oil quantity check (2) Cleaning (3) Application of appropriate grease 1) Needle bar lower bushing (DDL-9000B-M , B-DS Specification) – 74 –...
  • Page 79 (3) Application of appropriate grease In ordinary usage, it is unnecessary to replenish the appropriate grease (JUKI Grease A). Under particularly rigorous operating conditions, however, periodic replenishment of the appropriate grease is effective (approximately once every one to two years).
  • Page 80: Feed Bar Mechanisms

    Standard Adjustment 2) Feed bar mechanisms Loosen the setscrew and screw in and pull the M4 screw. Grease groove filled with appropriate grease Grease groove filled with appropriate grease – 76 –...
  • Page 81 If too much oil is applied, dark contamination is caused by the Info about the appropriate grease hook oil and the material cloth may Part name Part No. be stained. JUKI Grease A 40006323 – 77 –...
  • Page 82: Face Plate Mechanism

    Standard Adjustment 3) Face plate mechanism Section where the appropriate grease is applied Exclusive greasing point Slide portion between arm guide and roller DDL-9000B-SS, SH only – 78 –...
  • Page 83 Adjustment Procedure Results of Improper Adjustment 1. Apply appropriate grease to the roller (arm’s vertical sliding section) of the needle bar connecting section. 2. Apply appropriate grease to the intermediate presser bar connection o Grease is not required for the and arm’s sliding groove section.
  • Page 84: Lubrication Mechanism Configuration And Adjustments (Ddl-9000B-Ss, Sh, Ma, Ms)

    (4) Lubrication mechanism configuration and adjustments (DDL-9000B-SS, SH, MA, MS) Standard Adjustment Lubrication mechanism configuration of the DDL-9000B-SS, SH, MA, MS Fixed to the arm The float case guide entered in the slide guide of the peep window. Fixed to the bed Float case cap (appropriative to DDL-9000B-MA, MS) This part is not used in...
  • Page 85 Adjustment Procedure Results of Improper Adjustment Configuration of lubrication mechanism parts is as shown in the drawing. 1. Float case Pull up the float case straight from the float case guide to take it out. Remove and adjust the lubrication pipe and others within the permissible range where they can be stretched.
  • Page 86: Thread Take-Up Lever Mechanism

    (5) Thread take-up lever mechanism Standard Adjustment Section where the appropriate grease is applied This is an integrated press-fitting component that cannot be disassembled. Info about the appropriate grease Part name Part No. JUKI Grease A 40006323 – 82 –...
  • Page 87 Adjustment Procedure Results of Improper Adjustment (Important) No lubrication is needed for the thread take-up lever. (Maintenance-free mechanism) When adjusting the thread take-up lever mechanism, the following items shall be observed: Replacement of the thread take-up lever 1. Remove the needle bar and the needle bar connector 2.
  • Page 88: Replacement Of The Motor

    (6) Replacement of the motor Standard Adjustment Hand wheel (First screw) (Second screw) Timing belt (7) Replacement of the timing belt Standard Adjustment – 84 –...
  • Page 89 Adjustment Procedure Results of Improper Adjustment The following is the method of replacement when the motor is out of order. 1. Remove the second setscrew of the hand wheel. (4mm hexagonal) 2. Remove the first setscrew (flat section) of the hand wheel. (4mm hexagonal) 3.
  • Page 90: Screws For Attachment And Positions Of External Parts

    5. Screws for attachment and positions of external parts Standard Adjustment 219.5 13.5 Ruler seat 40035589 2XM4 Depth 4 M4 Depth 4 M4 Depth 4 M5 Depth 8 62.5 M5 Depth 10 M8 Depth 9 M5 Depth 4 – 86 –...
  • Page 91: Dry Hook

    6. Dry hook Adjustment Procedure Results of Improper Adjustment (1) Cautions when a dry hook is used For the dry hook (RP hook), lubrication is given to the hook race with the use of a specific material. o Hook rattling occurs and there are In the case of continuous high-speed operation, it must be noted that problems like heat generation and wear on the race is accelerated.
  • Page 93: Air Blow Type Hook Cooling Unit (Available Separately)

    8. Air blow type hook cooling unit (available separately) When a separately sold "air blow type hook cooling unit" is installed, it is possible to cool the hook that has been heated in overheating processes, etc. (Cautions) Use an air source available in the factory. Part name Part No.
  • Page 111: Drawing Of The Table

    Depth : 10 3-ø13, Depth : 13 2-ø3.5, Depth : 10 Logo type, designated by JUKI 2-ø3.4, Depth at the rear side : 10 (Drill a hole at the time of set-up). X-X Section Rubber Installation Reference Figure Dimension Drawing in Detail (2:1) C1.5 to C2.5 (only for hinged section)
  • Page 112 MEMO...
  • Page 113 ISO14001 : 2004 REG.NO.JSAE389 CM001 Juki Corporation operates an environmental management system to promote and conduct the following as the company engages in the research, development, design, sales, distribution,and maintenance of industrial sewing machines, household sewing machines, industrial robots, etc., and in the provision of sales and maintenance services...

This manual is also suitable for:

Ddl-9000b-maDdl-9000b-ssDdl-9000b-msDdl-9000b-ds

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