Grace Company Q'nique 21 Service Manual Download | Manualshive

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4mm Allen Wrench

Tools Needed:

1. Remove Extrusions Cover and Handles, then

remove (1) M6 x 10mm SBHCS and (1) M8 x

12mm SHSS attaching the Machine Body to the

extrusions.

2. Remove (7) M6 x 25mm SBHCS and (1) M6 x

60mm SBHCS.

3. Remove Cover.

M6 x 10mm

SBHCS

M8 x 12mm

SHSS

M6 x 25mm

SBHCS (6)

Sewing

Machine

Cover

M6 x 60mm

SBHCS

1

2

3

4

5

6

7
8

12

4. When re-installing front cover tighten the screws in the order shown above.

|

Front Cover

Q’nique 21: Service Manual

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Summary of Contents for Q'nique 21

Page 1: ...Service Manual 21 ...

Page 2: ...r Shaft 14 Pulley and Optical Encoding Wheel 15 LED Assembly 15 Lower Shaft 16 Bushing Block 17 Bushing Block 18 Main Board 19 Power Supply 20 Motor Driver Board 21 Grounding Wire 21 Idler Pulley Tension 22 MCU Board Update 23 Motor Driver Board 26 Motor Driver Board Plugs 26 Self Calibration Instructions 27 Window Offset Adjustment Instructions 28 Encoder Test 29 Button Test 29 Sensor Test 30 i T...

Page 3: ... Post clockwise and retightening the hex nut 1 Adjust the Bobbin Winder Cam to be centered to the Bobbin without touching it by loosening the Set Screw with the 1 5 mm Allen Wrench adjusting the Cam and retightening the Set Screw If thread winds mostly on the top of the bobbin the Tension Discs Post will need to be lowered by twisting the Tension Disc Post clockwise and retightening the hex nut 9m...

Page 4: ...e 2 M5 x 16mm SBHCS holding the Display Board Box 4 Unplug the Handle Cables and Display Cable and remove Tools Needed 3mm Allen Wrench Tab Screen Assembly M5 x 16mm SBHCS Display Board Box Display Board Box Display Board Box Display Board Box Display Cable Handle Cables 2 Screen Assembly Display Board Box Q nique 21 Service Manual 2 ...

Page 5: ...he Needle Bar Height Spacer 4 Tighten the screw inside the head of your machine with a flat head screw driver make sure the Needle Bar is facing forward so the thread guide is in the front of your machine Adjust Needle Bar height with a Flat Head Screw Driver here Note Display Board Box may have to be removed to access Thread Guide faces front of machine Needle Bar Height Spacer Tighten Screw insi...

Page 6: ...ign the Hopping Foot so that it is centered 4 Place 2 6 sheets of paper under the foot and lower the Hopping Foot to the top of the surface depending on the thickness of your project 5 Tighten the M3 socket head screw using the 3 mm Allen wrench 5mm Gap Gauge M3 Socket Head Screw Tools Needed 3mm Allen Wrench Press Bar M3 Socket Head Screw Hopping Foot Needle Plate Needle Bar Hand Wheel Note Do no...

Page 7: ...lide your Hook Holder away from the Hook Assembly so there is about a 0 75mm gap between the Hook Holder and the Hook Assembly and tighten the M5 X 10mm FHCS Tools Needed 3mm Allen Wrench Flat Head Screwdriver Needle Plate Hook Holder M5 x 10mm FHCS Hook Holder Q nique 21 Service Manual Hook Assembly 0 75mm Gap between Hook Holder and Hook Assembly Hook Assembly Positioning Guide Hook Assembly Pos...

Page 8: ...and tighten all 4 Needle Plate Screws 1 Using the 4mm Allen Wrench remove the 4 Screws from the Handle Plate Remove the Handle Plate and the Handle Bars Needle Plate Needle Plate Screws 4 Needle in Lowest Position Set Screw Handle Plate 6 1 Adjust the Handles up and down by tightening and loosening the Set Screw on the back of the Handle Plate using the 5mm Allen Wrench Handle Plate Handle Bars Ha...

Page 9: ...en Wrench Timing Spacer Flat Head Screwdriver 4 Bring the Needle so it rests on the top of the Needle Bar Height Spacer so the groove in the needle aligns in the middle of the hook on the Hook Assembly Timing Hole Needle Bar Height Spacer Flat Side Flat Side 7 3 Place the Needle Bar Height Spacer into the Bobbin Case area and twist so that flat side is vertical Timing Q nique 21 Service Manual Tip...

Page 10: ...er or farther off from the hook 5 The Needle should be as close as possible to the Hook Assembly without touching roughly between 0 02mm and 0 075mm Tighten the Set Screw which is currently aligned with the Timing Hole on the left side of the machine Needle Plate 7 Tighten the two remaining set screws and reattach the Needle Plate Scarf Hook Assembly Needle Set Screws Hook 8 0 02 0 75mm Gap ...

Page 11: ...ion Assembly into place 2 Press the Thread Tension Assembly into the sewing machine body until it bottoms out Orient the Thread Tension Assembly so that the check spring is Vertical Tools Needed 2 5mm Allen Wrench Thread Tension Assembly Thread Tension Assembly Check Spring M5 x 8mm Set Screw M5 x 8mm Set Screw Thread Tensioner Q nique 21 Service Manual 9 ...

Page 12: ...ten Tension Knob until the thread is centered in the fabric layers Note If you are breaking thread tighten Check Spring tension by turning Check Spring Screw If showing top thread on bottom you need to add more tension by turning the Tension Knob clockwise If you are bunching up in corners loosen Check Spring by turning Check Spring Screw If showing bottom thread on top you need to loosen the tens...

Page 13: ... Needed 4mm Allen Wrench 1 Remove the 2 bolts on the side of the Extrusion Cover 2 Remove Cover 3 Repeat for Left side if needed M6 x 10mm SBHCS Extrusions Cover Extrusions Cover Q nique 21 Service Manual 11 ...

Page 14: ...ching the Machine Body to the extrusions 2 Remove 7 M6 x 25mm SBHCS and 1 M6 x 60mm SBHCS 3 Remove Cover M6 x 10mm SBHCS M8 x 12mm SHSS M6 x 25mm SBHCS 6 Sewing Machine Cover M6 x 60mm SBHCS 1 2 3 4 5 6 7 8 12 4 When re installing front cover tighten the screws in the order shown above Front Cover Q nique 21 Service Manual ...

Page 15: ...5mm Allen Wrench 3mm Allen Wrench 10mm Open End Wrench 1 Slightly loosen M4 x 10mm SBHCS allowing Stop Collar to be loose from the Needle Bar 2 Loosen Connecting Link V2 from Bushing Bearing Remove Slide Plate from Sewing Machine using 3mm Allen Wrench to remove 2 M5 x 10mm SBHCS 3 Remove Pressure Bar Assembly from Sewing Machine Needle Rod Holders Q nique 21 Service Manual 13 ...

Page 16: ...M4 X 4 Set Screw 3 M4 X 4 Set Screw 1 Secondary Counter Weight 3 M5 X 8 Set Screw 1 Main Shaft 1 Hopping Foot Eccentric Cam Assembly 1 Optical Encoder Assembly Tools Needed 2 5mm Allen Wrench 3mm Allen Wrench Thread Take Up Lever Clamp Thread Take Up Lever Clamp Right Main Shaft Bushing Clamp 3 M5 x 10mm SBHCS 6 M4 x 8mm SBHCS 4 1 Remove 6 M5 x 10mm SBHCS and 3 Main Shaft Bushing Clamps using the ...

Page 17: ...eeded 4mm Allen Wrench 3mm Allen Wrench 2mm Allen Wrench M3 x 6mm SBHCS 2 LED Plug Handle Plugs 2 1 Install the Optical Encoding Board using 2 M6 x 15mm SBHCS and plug in the Speed Sensor Cable 1 Top Shaft Pulley needs to be 7mm from Bearing Collar 2 Optical Encoding Wheel needs to be centered in the Emitting Sensor on the Optical Encoding Board 7mm Centered Pulley and Optical Encoding Wheel Q niq...

Page 18: ...m Open End Wrench Flat Head Screw Driver 3mm Allen Wrench M5 x 10mm SBHCS 8 M6 Nut Pulley Lower Shaft Bushing Clamp Front 2 Lower Shaft M4 x 4mm Hex Socket Set Screw 12 Bottom 16 Tooth t5 Pulley Bearing 12mm Shaft 3 Lower Shaft Hook Assembly Hook Assembly Set Screw 3 Lower Shaft Bushing Clamp Pulley Axle 4 Lower Shaft Exploded View Lower Shaft Q nique 21 Service Manual 16 ...

Page 19: ... the Bushing Block over the Adjustment Plate and thread the M6 x 16mm SBHCS Leave the screws loose 2 Thread the M6 x 10mm Set Screws into the Bushing Block 4 Attach the Needle Bar Thread Guide and secure a Needle in place using the M3 Thumb Screw 3 Slide the Needle Bar through the top of the machine and through the bushing block Tools Needed 10mm Open End Wrench Flat Head Screwdriver 3mm Allen Wre...

Page 20: ...ock in and out so that the Needle is in line with the hole on the Needle Plate 6 Slide the Bushing Block Adjustment Plate so that the needle is in line with the hole on the Needle Plate then tighten the M4 x 8mm SBHCS to lock it in place 5 Attach the Press Bar Guide using 2 M4 x 8mm SBHCS 8 Tighten the M6 x 16mm SBHCS on the back of the machine Tighten the lower screw first then tighten the two up...

Page 21: ...ront Handle Cable Back Handle Cable or Front Handle Cable Motor Driver Signal Cable Speed Sensor Cable 24V Power Supply LED Cable 2 wires together Bobbin Winder Cable 2 separate wires Tools Needed 8mm Open End Wrench 2 5mm Allen Wrench 1 Unplug Cables 2 Remove Main Board 3 Remove Connector Board Mounts and replace onto new board Main Board Q nique 21 Service Manual 19 ...

Page 22: ...tic Cover 1 Use the 4 mm Allen Wrench to remove the screws from the Bottom Cover and remove the Bottom Cover 3 Detach the Cables from the Power Supply using the Phillips Head Screw Driver 2 Remove the Screw from the Plastic Cover and Remove the Plastic Cover 4 Remove 4 Screws and slide out the Power Supply Tools Needed 4 mm Allen Wrench Phillips Head Screw Driver Power Supply Q nique 21 Service Ma...

Page 23: ... Grounding Wire Terminal with the M6 x 16mm SBHCS using the 4mm Allen Wrench B Mounting Board Power Supply Ground Wire M3x10mm SBHCS Hex Nut M3 5x10mm SBHCS 1 Note Do not confuse the Motor Cable and the Motor Driver Power Cable If plugged in opposite it will burn out the board Tools Needed 4mm Allen Wrench 2 5mm Allen Wrench Phillips Screw Driver Motor Driver Board Q nique 21 Service Manual Ground...

Page 24: ...Pulley Tension Adjust Assembly here 1 Use force gauge to set belt tension between 5 5 5kg or press so Belt slack is minimal then tighten pulley screws Tools Needed 4mm Allen Wrench Force Gauge Idler Pulley Tension Q nique 21 Service Manual 22 ...

Page 25: ...t clicking on the file and extract contents into the new folder 3 Open up the folder named MCU and then the folder named Package by double clicking 4 Run the setup application by double clicking on the setup file 5 Close any open applications and click OK 6 Click the SMD Bootloader button to begin installation 23 ...

Page 26: ...ntinue 8 Click OK Installation of Bootloader is now complete 11 Remove MCU Board fromm MCU Pod by removing 4 M3 5 Screws 9 Turn off sewing machine power 10 Remove MCU Pod by removing 4 M5 X 30mm SBHCS M5 X 30mm SBHCS MCU Pod M3 5 Screw 24 ...

Page 27: ...er update and click on the MainAVR_ hex file and click OK 18 Click on button next to motor driver 19 Click Update Motor Button 20 Wait for line count to count down to zero and for bootloader to finish After update is complete turn machine off and unplug USB cable 21 Plug in the Motor Driver Signal Cable and re assemble MCU Board and MCU Pod to sewing machine C Program Files x86 SM Bootloader MainA...

Page 28: ...d Before installing Version 3 Motor Driver Board update the main board software Tools Needed 4mm Allen Wrench Flat Head Screwdriver M6 X 20mm SBHCS Pulley Base Thread Pin Motor Driver 24V Power Cable Thinner Cable To Power Supply Motor Cable Thicker Cable Motor Driver Board Assembly Motor Driver Board Plugs Motor Driver Signal Cable 26 ...

Page 29: ...ng slow For any questions call a Grace Company Tech at 1 800 264 0644 1 If your machine hasn t been used for at least 10 min run your machine in manual mode for 5 min before beginning the Calibration process 2 From the Main Menu on your sewing machine display choose Tools Diagnostics Self Test Self Calibration 3 Move your machine so your needle is free from any fabric 4 From the Self Calibration M...

Page 30: ...old down the needle up Down button until it beeps and a number appears in the middle of the display 3 Adjust the window offset up or down as needed one or two windows as needed 4 Test the needle up and down to see if the bobbin can be pulled up without snagging on the hook 5 Test Baste mode to verify baste mode works without thread snagging when moving the machine around 6 Repeat adjusting the win...

Page 31: ...f the indicators dose not turn green check both Encoders are plugged in Check there is no lint on the track Check that the Encoder Spring is pressing the Encoder into the track Check that the Encoder Wheel is rolling If none of these are the cause of the Encoder not working properly please contact tech support 1 From the Main Menu on your sewing machine display choose Tools Diagnostics Button Test...

Page 32: ...n green when the needle is up and should turn red when its down The Speed indicator should turn green whenever the needle is moving Note If the Speed indicator does not turn green while the needle is moving check the Optical Encoding cable inside the machine and in the MCU pod If the Needle is not moving rotate the hand wheel to check if the machine is bound If the machine has bound check hook for...

Page 33: ...The Grace Company 2225 South 3200 West Salt Lake City UT 84119 Phone 1 800 264 0644 Fax 801 908 8888 www graceframe com ...

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