Baby Lock Regalia BLRG20 Service Manual
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Baby Lock Regalia BLRG20 Service Manual

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Model BLRG20

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Summary of Contents for Baby Lock Regalia BLRG20

  • Page 1 Service Manual Model BLRG20...

  • Page 2: Table Of Contents

    Table of Contents About the Regalia . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 About the Manual .

  • Page 3: About The Regalia

    In addition to the teaching aids found herein, you will also find all of the tools listed that are necessary for adjustments. If you need help in locating these tools for purchase, please contact Baby lock. Service Manual Guidelines •...

  • Page 4: General Specifications

    General Specifications This Service Manual covers the Regaliaand Forte machines. The Regaliamachine went into production in November 2017 and the Forte machines went into production in February 2018. Sewing Opening Dimensions: Regalia(228 mm X 521 mm) 9” X 20.5” Sewing Speed: Manual Mode: Min 25 spm, Max 2500 spm Regulated Mode: Min 0 spm, Max full speed Stitches Per Inch:...

  • Page 5: Assembly Torque Specifications

    Assembly Torque Specifications The Torque Specifications apply to all internal and external fasteners in sizes 4.0, 5.0 and 6.0 mm in general at ISO 4762 Screw class 8.8. The torque specifications are also generally classified as soft-jointed and are listed according to size and placement in the machine.

  • Page 6: Lubrication

    Lubrication Specifications Rep Lube Kit Part# QM49262 Lubricant Type Machine Component #1. Kluber, Constant OY68 (Red) • All main bearings #2 Kluber, Mikrozella G 8 OY (Blue • All main bearings #3. Kluber, GLY 2100 (Yellow) • Take-up lever, articulating link and needlebar driver #4.

  • Page 7: Section 1: General Observations Of Thread Mast, Thread Guides, Quick-Set Tension, Take-Up Spring

    Section 1: General Observation: Thread Mast and Thread Guides The following observations, accompanied by necessary adjustments, will ensure trouble-free thread passage. Failure at any of these points will significantly affect thread tension . Check: 1. The thread mast should be adjusted so that the eyelet loops are centered directly over the spool pins .
  • Page 8 Section 1: General Observation: Quick Set Tension Assembly - Replacing the Take-up Spring 1. Remove the following parts from the assembly: knob, detent washer, cone spring with long tail, spring base and two tension discs.  NOTE: the detent washer is placed with the detents away from the knob on the Quick Set Tension assembly .
  • Page 9 Section 1: General Observation: Quick Set Tension Assembly - Replacing the Take-up Spring (Continued) 5. Replace the damaged take-up spring with a new take-up spring (QM10197). It is recommended to have a few take-up springs in stock. 6. Replace the split bolt, adjust the take-up spring strength, see Five Checks on the next page .
  • Page 10 Section 1: General Observation: Quick Set Tension Assembly - Replacing the Take-up Spring (Continued) Five Checks When Replacing the Take-up Spring: 1. With the take up spring inside the barrel, reinstall the center split bolt . 2. Rotate the center split bolt clockwise to make the spring stronger or counterclockwise to make the spring weaker.

  • Page 11: Section 2: Removal Of

    Section 2: Removal of the Front Cover U CAUTION: Make sure the machine is unplugged from the wall before removing the front cover or whenever working on the machine. Tools Required: 2 mm, 3 mm, 4 mm, 5 mm handle Allen, 4 mm L Allen, #3 flat screwdriver. 1.
  • Page 12 Section 2: Removal of the Front Cover (Continued) 5. Remove the two large lower frame screws with a 4 mm hex tool. 6. Remove the large center upper frame screw with a 4 mm hex tool. 7. Remove the two large and three small front cover screws (5 total) circled with 4 mm and 3 mm hex tools respectively.
  • Page 13 Section 2: Removal of the Front Cover (Continued) 8. Remove the five large front cover screws (5 total) circled with 4 mm hex tool.) 9. Separate the front cover. Make sure the take-up lever does not get caught in the front cover slot . Â...

  • Page 14: Section 3: Lubrication

    Section 3: Regalia Lubrication Lubrication Schedule The Regalia lubricating schedule should be followed every 24 months or 10 million stitches whichever comes first, to ensure top mechanical performance. #1 Red Lube #1 (Red) in the seven places shown below, on each side of the bearing, between the bearing and the shaft (7 places).
  • Page 15 Section 3: Regalia Lubrication (Continued) #1 (Red) OY 68 Needle Bar and Presser Bar Bearings The needle bar and presser bar both have two bearings, an upper and lower. Place one drop on the side of the needle and presser bars on the top two bearings and also on the bottom two bearings as shown in the bottom photo.
  • Page 16 Section 3: Regalia Lubrication (Continued) #3 (Yellow) GLY 2100 One drop per orifice, articulating link, take-up lever and needle bar driver (3 places). #4 (Green) IsoFlex NCA-15 (orifice located a little behind the top radius.) Inside caged needle bearings (2 places). #5 (Orange) GLY 151 Add grease sparingly to the presser-bar slide and plunger.
  • Page 17 Section 3: Regalia Lubrication (Continued) #6 Purple Apply one drop of Lube #6 (Purple), to the raceway of the bobbin case support two to three times per day or after each bobbin change. This application is based upon sewing for eight hours of machine time. If the machine is used less, lubricate the hook less frequently.

  • Page 18: Section 4: Securing Screws On Flats (Counterweight Timing)

    Section 4: Checking and Securing Flats and Screws First Screw, First Position Rule Position 1 The first screw is 120 degrees before the 2nd screw when the handwheel is turned in the direction of rotation. The first screw in direction of rotation goes on the flat.
  • Page 19 Section 4: Checking and Securing Flats and Screws (Continued) The Regalia has been designed using flats and special screws to help prevent loop lift timing from slipping, except at the hook. If the hook cannot slip, then something would have to break when something goes wrong. The hook is designed to be adjusted without removing the front cover.

  • Page 20: Section 5: Axial Play Check And Adjustment

    Section 5: Axial Play Check and Adjustment Axial or end play on shafting can result in noise, wear and faulty sewing. Check: 1. Check the main shaft by pushing and pulling on the hand wheel.  NOTE: A small amount of main shaft axial play is permissible.

  • Page 21: Section 6: Adjusting The Base Plate Feet And Rollers

    Section 6: Adjusting the Base-Plates and Rollers Tools required: (5 mm handle Allen) Check: The machine must not rock on a flat surface and the wheels must be the same distance from each other front to back on both sides of the machine.  NOTE: This is done on a precision surface plate at the factory during assembly .
  • Page 22 Section 6: Adjusting the Base - Plates and Rollers (Continued) Place the machine on a flat surface or the carriage tracks. Use a 5 mm hex driver, down through the casting hole, to lower the front right wheel until the machine does not rock.

  • Page 23: Section 7: Adjusting The Motor Drive/Timing Belt Tension

    Section 7: Adjusting the Motor Drive/Timing Belt Tension The Regalia machine utilizes a single motor drive/timing belt system. The belt is a double-sided round-tooth belt. Tools required: 5 mm handle hex tool and 13 mm open end wrench . Check: With the machine front cover removed. Check the belt tension for tautness by pressing it with your index finger.

  • Page 24: Section 8: Adjusting The Hopping Foot And Presser Bar Height

    Section 8: Adjusting the Hopping Foot and Presser Bar Height Adjusting the Hopping Foot Tools required: 8 mm open end wrench. The Regalia features the KinetiQuilt hopping mechanism; allowing the hopping foot to move (hop) up, down and dwell on the fabric when the needle is in the fabric.
  • Page 25 Section 8: Adjusting the Hopping Foot and Presser Bar Height (Continued) Tools required: 3 mm handle Allen, 0. 5 mm feeler gauge QM40133. Check: When the needle bar is in its lowest position, the sewing foot should be no higher than 0.5 mm above the needle plate.
  • Page 26 Section 8: Adjusting the Hopping Foot and Presser Bar Height (Continued) Final Hopping Foot Check: When the machine is run full speed without fabric under the hopping foot, with the bottom of the hopping foot set at .5 mm above the needle plate, the machine should not knock loudly inside on the hopping block mechanism.

  • Page 27: Section 9: Needle Position Y / Front To Back, Check And Adjustment

    Section 9: Needle Position Y / Front to Back, Check, & Adjustment Tools required: (3 mm and 4 mm handle Allen). The needle position adjustment is the most important of all adjustments in the machine. Needle position provides the foundation for which all other settings are made .

  • Page 28: Section 10: Replacing Front Cover

    Section 10: Replacing Front Cover Replace the front cover before adjusting the X axis needle position. Â IMPORTANT: Take special care to not pinch any wiring when replacing the front cover. • Plug the front cover wiring harness into the Main Control board at the rear of the machine .
  • Page 29 Section 10: Replacing Front Cover (Continued) Check: Assure the four wires from the front of the machine going to the nose cover board pass through the hole in the castings without being pinched. Check: Assure the three wires from the front handle bar connection board, the needle laser, and light ring do not cover the head frame needle position adjust- ment screws and will not be pinched when the front...
  • Page 30 Section 10: Replacing Front Cover (Continued) • Start all the screws through the back frame casting into the front cover. Stagger tighten the screws so the front cover will go on evenly and not bind.  NOTE: Back frame casting screw and tool sizes •...

  • Page 31: Section 11: Needle Position X / Left To Right Check And Adjustment

    Section 11: Needle Position X / Left to Right, Check & Adjustment Tools required: (2.5 mm and 4 mm handle Allen). Adjustment for X axis: Cover On  NOTE: adjustment is done with the front frame cover on. The picture shows the cover off for illustration purposes only! The primary adjustment is accomplished using the right side of the head frame.

  • Page 32: Section 12: Checking Loop Lift And Needle Distance

    Section 12: Checking Loop Lift and Needle Distance Tools required: Loop Lift clamp (part #QM40199), 2.2 mm forked feeler gauge (part #QM40136), 2 mm ball end L Allen wrench, 2 mm handle Allen wrench and #3 flat screwdriver. Â IMPORTANT: The timing and needle distance adjustment must be done with the front machine cover on .

  • Page 33: Section 13: Adjusting Loop Lift And Needle Distance

    Section 13: Adjustment of the Loop Lift and Needle Distance  IMPORTANT: The timing and needle distance adjustment must be done with the front machine cover on . If correction of loop lift or needle distance is necessary, then the basket must first be rotated down: Rotating basket down:  NOTE: With the bobbin case basket in the...
  • Page 34 Section 13: Adjustment of the Loop Lift and Needle Distance (Continued)  NOTE: If the needle bar has been removed or changed, the needle bar height will need to be at least roughly set first, or it will not be possible to set needle distance correctly, because the hook point will not align with the needle scarf .
  • Page 35 Section 13: Adjustment of the Loop Lift and Needle Distance (Continued) • Adjust the needle distance by sliding the hook axially on the hook shaft toward the needle until the hook barely touches (lightly brushes) inside the needle scarf .  NOTE: Because the fabric can displace the needle during multi-directional sewing, it is necessary for the needle to lightly brush the...

  • Page 36: Section 14: Adjusting Needle Height

    Section 14: Adjusting the Needle Height ools required: (#3 Flat screwdriver)  NOTE: This adjustment must be completed with the front frame cover on. Important  NOTE: Shown with cover off for illustration purposes only! Â IMPORTANT: Needle bar height must be set first with a gauge before the hook is installed or visually checked with the hook installed and timed correctly first.
  • Page 37 Section 14: Adjusting the Needle Height (Continued) • Ensure that the needle-bar thread guide hole is straight towards the front of the machine. • If correction is necessary, slightly loosen the needle bar driver screw while holding the needle bar with the other hand.

  • Page 38: Section 15: Adjustment Of The Stop Finger

    Section 15: Adjustment of the Stop-Finger Machined edge Tools required: (2.5 mm handle Allen) Check: The engagement of the stop-finger and throat of the bobbin case support basket must have a clearance of 0.8 mm to 1.0 mm. This clearance ensures that adequate space exists for thread escapement during the sewing process.

  • Page 39: Section 16: Adjustment The Needle Height With Cylinder Tool

    .  NOTE: The Needle Height Cylinder Tool (part number QM40131 REV.C) fits all Baby lock machines to date (January 2018). This adjustment can be completed with the front frame cover on or off.
  • Page 40 Section 16: Adjusting the Needle Height with Cylinder Height Gauge (Continued) • Rotate the cylinder height gauge until the flat is down. • Rotate the handwheel until the needle is in the lowest position. • Slide the cylinder tool gently out, to be against the needle .

  • Page 41: Section 17: Electronic Information

    Section 17: Electronic Information - System Power The Regalia operates at voltage levels between 100 and 240VAC, 50-60 Hz. This means it can be run in most countries as long as the appropriate power cord or adapter plug is used. If an adapter plug is used, please be sure the adapter connects the Earth Ground as well as the Line and Neutral prongs of the plug.
  • Page 42 Section 17: Electronic Information - System Power (Continued) Auxiliary power outlet and rear connection plate. No Machine Power If the machine has no power, check the most obvious things first: • Power at source outlet • Cord connected properly at source outlet and machine •...

  • Page 43: Power Supplies

    Section 17: Electronic Information - System Power (Continued) Power Supply The Regalia machine uses a 500 watt 48VDC output power supply, mounted inside the machine on the drive train assembly. The power supply has two 48VDC outputs, one for the control board and one for the motor driver board.

  • Page 44: Needle Position Sensor

    Section 17: Electronic Information - Needle Position Sensor The main shaft needle position sensor disc mounts to the main shaft near the hand wheel. It is composed of an aluminium disk with a cutout for needle up and needle down positions. This disk is set on a flat on the Amara/Forte machines;...

  • Page 45: Removing Handwheel

    Section 17: Electronic Information - Removing Handwheel The handwheel can be removed to see some of the LEDs inside the machine without removing the machine front cover . • While holding the handwheel firmly remove the handwheel screw with a 5 mm hex tool counterclockwise.
  • Page 46 Section 17: Electronic Information - Removing Handwheel (Continued) • Handwheel with 8 mm frame screw. Handwheel fixing screw and washer at the side. • Back of machine with handwheel removed. • Rear LEDs and circuit boards visible with handwheel removed. Page 46 Regalia Service Manual...

  • Page 47: Replacing Handwheel

    Section 17: Electronic Information - Replacing Handwheel • While holding the handwheel firmly replace the screw and washer and tighten the screw firmly with a 5 mm hex tool to insure the handwheel is well seated once again. BabyLock.com Page 47...

  • Page 48: Control Board Leds

    Section 17: Electronic Information - Control Board LEDs Near the top of the Control Board are two green LEDs (D10, D11). The control board receives an input of +48V at J6 (circled) from the power supply and it converts this voltage into two different voltage levels.
  • Page 49 Section 17: Electronic Information - Control Board LEDs (Continued) • Replace the remote on/off wire with a QM20204 jumper on the power supply remote on/off switch connection. This will bypass the remote power switch and wiring. (Figure 17.20) • Turn on the machine. If the LEDs are still not on, then there may be an issue with the power supply or the control board.

  • Page 50: Handlebar Communications Leds

    Section 17: Electronic Information - Handlebar Communication LEDs Located near the bottom of the control board are two connections, one for the front handlebar display communications and one to the rear connection panel for the rear handle bar display communications. The two small LEDs (D36 and D37) above the front handlebar connection on the left will flash every few seconds to indicate whether send/receive...
  • Page 51 Section 17: Electronic Information - Handlebar Communication LEDs Rear HB Display Communication Connections • The two small LEDs (D38, D39) above the con- nection to the rear panel on the right for the rear handlebar connection, function similar to those on the previous page for the front, but for the rear.

  • Page 52: Led Summary

    Section 17: Electronic Information - LED Summary Information Motor Driver Board QM20031 • D20, +5V from control board • D17, D18, D19, motor hall sensors • D8, Combined hall sensor signal • D13, +15V motor drive (FET gate device) • D14, +5V for motor drive signal isolation ICs Control Board QM20032 •...

  • Page 53: Handlebar Front Membrane Switch Connection

    Section 17: Electronic Information - Handlebar Front Membrane Switch Connection Connection for the front handle bar membrane switch controls is as follows: • J7 Control Board QM20032 left connector receptacle . • Widest large white connector (circled left) with multiple white and yellow wires to Control Board J7 left receptacle.

  • Page 54: Handlebar Rear Membrane Switch Connection

    Section 17: Electronic Information- Handlebar Rear Membrane Switch Connection Control Board connection for the rear handle bar membrane switch controls is as follows: • J9, Control Board right connector receptacle. • Large white connector (circled) with multiple white and yellow wires to J9 Control Board right receptacle .

  • Page 55: Rear Connection Panel Board

    Section 17: Electronic Information - Rear Connection Panel Board Rear Connection Panel Board: QM20033: • J4, From control board with 5V power for rear dis- play and control for rear handlebar membrane switches. • J8, 24V pass through power from Pro Stitcher Top right connection.
  • Page 56 Section 17: Electronic Information - Rear Connection Panel Board (Continued) Pro Stitcher Power and Communications Connection: The Regalia has a built-in accessory power outlet to power the Pro Stitcher. Once the Pro Stitcher is powered, it provides power for the computer tablet via the Pro Stitcher connection at the top right of the Regalia rear connection panel.

  • Page 57: Front Nose Cover Connection

    Section 17: Electronic Information - Front Nose Cover Board Connection Front Nose Cover Board: QM20034 • J6, USB Power Only, accessory power • J7, USB Power Only , accessory power • J8, Speaker connection • J1, Multiple white and yellow wire connection from Control Board •...

  • Page 58: Control Board Connection

    Section 17: Electronic Information - Control Board Connection Control Board: QM20032 • J4, Rear display communications via rear connection panel board (J3) • J3, Front display communications via front nose cover board (J3) • J11, Control Board to Motor Driver Board connection •...

  • Page 59: Motor Driver Board Connection And Leds

    17. Electronic Information - Motor Driver Board Connection and LEDs Motor Driver Board: QM20031 • J2, 5 pin connector for small motor wires to motor driver board (Red: 5VDC (powers three hall sen- sors); Black is Ground; Blue/Yellow/White are for the hall sensors.) •...

  • Page 60: Cable Assemblies

    Section 17: Electronic Information - Cable Assemblies • QM20038, Cable, DC Power Gen3. (From power supply to Control Board). • QM20026-1, Cable, Control Board to Front Gen3. (From Control Board to front nose cover board, front handlebar connection board and LED light rear strip).
  • Page 61 Section 17: Electronic Information - Cable Assemblies • QM20026-2, Cable, Front Pro Stitcher Power. (From rear connection board to front nose cover board for Pro Stitcher black box tablet power, when connect- ed with an additional cable provided with the Pro Stitcher at front nose cover board) •...
  • Page 62 Section 17: Electronic Information - Cable Assemblies • QM20045, Cable, Outlet GND Gen3. ( • QM20051, Cable, Power MD to PSDC Gen3. (From power supply to motor driver board). • QM20029, Cable, Rear Main Gen 3. (From Control Board to rear connection panel board). •...
  • Page 63 Section 17: Electronic Information - Cable Assemblies • QM20040, Cable, Remote Power Gen3. (Remote power on/off from power supply to Control Board). • QM20027, Cable, Wiring Harness Front Casting (From Control Board to Quick Set Tension, thread- break sensor and LED light rear strip).  NOTE: The front and rear LED light strips are wired in series;...

  • Page 64: Quick Set Tension Calibration

    Section 17: Electronic Information - Quick-Set Tension Calibration / Setting Zero  IMPORTANT: When the top tension is installed into the machine, it is calibrated to set the zero tension position. This does not need to be done again unless the tension is replaced or re-calibrated incorrectly.

  • Page 65: Thread Break Sensor

    Section 17: Electronic Information - Thread Break Sensor  IMPORTANT: The thread break sensor will not function properly if the tensions are set too loose. The tensions must be tight enough to move the take-up spring past the sensor in order to toggle the sensor on and off.

  • Page 66: Machine Power-Up Sequence And Code Updates

    5 . It is normal for the bobbin area light to always be on. 6 . The “Baby Lock” Screen displays. 7 . The machine will do a long beep which indicates the machine Control Board processor is running and systems are being initialized.

  • Page 67: Deleting And Manually Updating Regalia Display Software

    Regalia display software and manually update the software. 1. After downloading the updated display software from the baby lock website to a USB drive, insert the USB drive into the USB port on the bottom-right side of the display.

  • Page 68: Software Updates

    ™ Software Updates From time to time baby lock releases a software update for our machines. This update feature enables you to take advantage of the latest new capabilities added to machines. When an update is released, download the updated file(s) to a USB drive using a computer that is connected to the Internet.
  • Page 69 To update the machine software 1. Insert the USB drive into the USB port on the bottom-right side of the front display . Then touch the machine icon to update the machine’s software. 2. You will be prompted to choose the file you want to use to update the machine software.
  • Page 70 3 . When the message box appears, select New and Install . 4 . Be patient as this will take a few minutes. 5 . Confirm that you want to overwrite the current software with the new software by choosing Install . If you decide to not update the software, choose Cancel .

  • Page 71: Regalia Quick Reference Card

    Quick Reference Card Needle and Thread Information Use the correct needle system (134). Choose from sizes 12 through 21, according to the type of thread used. A guide to help you choose the correct combination of needle and threads is always available on the Regalia. From the Home screen, tap the System Information button and choose the...
  • Page 72 Baby Lock Regalia Screen But Toolbar Buttons Stitching Modes Gold = selected Home Start/Stop Indicator Touch to return to Shows the current chosen setting of the home screen. handlebar Start/Stop button. Manual Stitching Mode: Touch the Manual button and then specify the stitches per minute (SPM) by pressing the (+) or (-) button or selecting one of the three SPM presets.

  • Page 73: Block Diagrams

    17. Electronic Information - Block Diagrams - Page 1 of 6 BabyLock.com Page 73...
  • Page 74 Section 17: Electronic Information - Block Diagrams - Page 2 of 6 Page 74 Regalia Service Manual...
  • Page 75 Section 17: Electronic Information - Block Diagrams - Page 3 of 6 BabyLock.com Page 75...
  • Page 76 Section 17: Electronic Information - Block Diagrams - Page 4 of 6 Page 76 Regalia Service Manual...
  • Page 77 Section 17: Electronic Information - Block Diagrams - Page 5 of 6 BabyLock.com Page 77...
  • Page 78 Section 17: Electronic Information - Block Diagrams - Page 6 of 6 Page 78 Regalia Service Manual...

  • Page 79: Burn-In

    Section 17: Electronic Information - Burn-In To Start Burn-in: 1. Press the Minus key and the Diamond key on the handlebar. The machine will run the burn-in process; starting slow to full speed in steps and then back to slow again in steps, over and over, until turned off 2.

  • Page 80: Notes

    NOTES Page 80 Regalia Service Manual...

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