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Related Manuals for Bernina arista 165
Summary of Contents for Bernina arista 165
- Page 1 Service-Manual artista 165/ 170/ 180/ 185...
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Page 2: Safety Regulations
Mains cable, Foot control, Buttonhole foot, Bobbin case with bobbin, other accessories It is important that only devices approved and/or distributed by BERNINA® are connected to the sewing/embroidery computer ports. The Service Manual and Instructions are protected by copyright laws. These documents are delivered exclusively to the recipient. -
Page 3: Table Of Contents
Contents (mechanic) Contents (electronic) Page Page Safety regulations Description Adjustment of BERNINA artista Block diagram a165/170/180 Technical data of the Bernina artista Blockdiagram a185 series 165/170/180/185 L-print 165/170/180 (old) Removing covers 5,6,7 L-print 165-185 (new) Tensioning the drive belts S-print 165-180... -
Page 4: Adjustment Of Bernina Artista
(running smoothly, properly oiled and all plugs in position). When the adjustments are carried out in the correct order, the machine will sew perfectly. Technical data of the Bernina artista series artista 165/170/180/185 artista 185 Feature (stitches) artista 165... - Page 5 1 x Service Presser foot height in mm 7.5 mm 7.5 mm 7.5 mm 7,5 mm Drop feed-dog Drop feed-dog via FHS Hook system BERNINA CB BERNINA CB BERNINA rotary BERNINA rotary Needle system 130/705H 130/705H 130/705H 130/705 H Adjusting needle...
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Page 6: Removing Covers
Removing covers Top cover: · Remove 2 screws (1). · Remove top cover. Head cover: Removing L-print, back cover, · Remove the screw (2). front cover: · Remove head cover. · Remove L-print cover screw (4). - Page 7 Removing covers Refer to safety instructions on page 1! · Swing out the cover and disconnect the four encircled connections P-160/161/162/163. · Remove the complete L-print. · Disconnect the 10 encircled connections from the S-print. · Remove back cover. · Swing out the complete front cover and disconnect the 4 connections and remove the front cover.
- Page 8 Removing covers Free-arm cover: · Remove screw (6), access through the base plate. · By snapping out remove the hinged front · Slide out the free-arm cover. cover. · Remove the cap (5). Base plate: · Remove 3 screws (7). ·...
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Page 9: Tensioning The Drive Belts
Tensioning the drive belt (base shaft) The belt tension is achieved automatically between the tension roller and the tension spring. · Loosen the screw (8) slightly of the tension roller holder. · Turn handwheel backwards and forwards. · Tighten the screw (8). Tensioning the drive belt (motor) ·... -
Page 10: Checking The Bobbin Winder Unit
Checking the bobbin winder unit The thread should be wound evenly with pre-tension and the bobbin should be correctly filled. Correction for one-sided winding: · Turn the adjustment screw (11) in or out as appropriate. Correcting the bobbin filling: · The flip-flop spring should be in the third tooth of the release lever. -
Page 11: Checking The Presser Foot Height
Checking the presser foot height · Lower the feed-dog. · Raise the lifter lever. · Check the height with 7.5 mm gauge. Correction: · Loosen screw (17) on the presser foot bar guide. · Place the presser foot on the gauge (7.5 mm). Keeping it parallel to the markings. -
Page 12: Distance Needle/Hook
Checking the needle position in the direction of feed (needle/hook distance) · Insert no. 80 needle (checked). The lateral distance between needle and hook (in the scarf) should be 0.01 mm to 0.05 mm. Correction (up to 0.2 mm): Correction (more than 0.2 mm): ·... -
Page 13: Needle Position Zig-Zag
Checking the needle position of the zig-zag stitch · Switch machine on. · Select zig-zag. · Set stitch width to maximum. · Turn the handwheel and observe whether the lateral spacing from the edge of the stitch hole is the same to the left and right (This is also valid for needle position LCR). -
Page 14: Feed-Dog Position (165/170)
Checking the feed-dog position in the needle plate (artista 165/170) · The feed-dog must be equidistant to each side of the needle plate. Check: When lowering the feed-dog, it must drop by itself. Correction: · Loosen 3 screws (26). · Move the pivot points sideways to the correct position. ·... -
Page 15: Height Of The Feed-Dog
Checking the feed-dog height At their highest point the tips of the feed-dog teeth Example: should be 0.05 mm higher at front than at the back. - Front 0.95 mm, back 0.90 mm - Front 1.00 mm, back 0.90 mm - Front 1.00 mm, back 0.95 mm Correction: (rear of feed-dog) ·... -
Page 16: Setting The Driver (165/170)
Checking the position of the driver in the hook race ( artista 165/170) · The hook driver (36) should be 0.1 - 0.15 mm behind the front edge of the hook race. Correction: · Loosen the screw (38) of the driver shaft. ·... -
Page 17: Loop Lift (165/170)
Checking the hook adjust. loop lift/synchronization (artista 165/170) · Remove the needle plate · Pin the stepping motor (42) needle position center. · Pin the balance piece (43) of the needle drive(5.5 mm pin) and turn the handweel until the stop position is reached. ·... -
Page 18: Loop Lift (180/185)
Checking the hook adjustment loop lift /synchronization (a180/185) · Remove the needle plate · Pin the stepping motor (needle position centre) · Pin the balance piece (43) of the needle drive (5.5mm pin) and turn the handweel until the stop position is reached. -
Page 19: Needle Height
Checking the needle height · Set needle position (artista 165/170) to the right (arti- sta 180/185 to the left). · Position the hook tip flush with the right-hand edge of the needle (artista 180/185 left hand of the needle). · The lower edge of the hook tip should now be 0,2 mm above/below the needle eye. -
Page 20: Feed-Dog Synchronisation
Checking the feed-dog sychronization (feed-dog lift and advance) · Pin the balance piece (43). · The base shaft (50) can now be pinned with pin (44). At the same time the feed-dog must be in the lowest position. Correction: · Loosen the second screw in direction of rotation of the bevel gear (49). -
Page 21: Basting/Long Stitch Device
Basting and automatic long stitch unit Checking the needle bar guide - test one of service program, straight stitch: · Turn the handwheel until the needle bar reaches its lowest position. · Uncouple the needle bar by hand. · By turning the needle bar to the right and left establish the amount of guide play, and whether by means of bringing the needle bar down check that the coupling pin can latch in smoothly. -
Page 22: Knee Lifter Unit
Basic adjustment to the knee lifter lever The end of the knee lifter should be vertical under the right edge of the LCD. Correction: · Loosen the screw (60) of the feed-dog drop unit. · Insert knee lifter lever. · Adjust the lifter to the convenient position. ·... -
Page 23: Lower Thread Tension
Lower thread tension (artista 165/170) For testing use synthetic thread (BW Ne 60/2 bzw. NM 43.1/2) Mettler white, left twist. The lower thread tensi- on is checked with the moveable setting weight no. 001 358 7000. The bobbin case is placed in the weight gauge just as in the hook. -
Page 24: Upper Thread Tension With A Weight
Adjustment of upper thread tension with a weight · Test thread (BW Ne 60/2 bzw. NM 43.1/2) Mettler white. · Thread the machine including the take-up lever. · Bring the take-up lever/needle bar to the highest position. · Lower the presser foot. ·... -
Page 25: Thread Regulater Spring
Thread regulator spring (also used for upper thread control) Checking the tension: · 12-15 g (use BERNINA Tension spring 006 038 5000) Checking position: · The spring should rest fully on the stop piece. At the same time a distance of 1,6 mm (1/16 inch) should be measured between the spring and the cover (sketch). - Page 26 Description of the electronics The electronics of the BERNINA artista are basically con- tained in two modules (printed circuits), namely on the power L-print and the S-print (see block diagram). Power L-print The power L-print is mounted at the rear of the sewing machine.
- Page 27 Block diagram artista 165/170/180 with embroidery unit Presser foot CFL-Tube lowering control bobbin winder motor Sewing Feed- dog light lowering control touch screen LCD 1/4 VGA 320x 240 dots 12-pin ribbon cable P-Print 1 2 3 4 5 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 Basting magnet...
- Page 28 Block diagram artista 185 L-Print L-Print S-Print S-Print bobbin bobbin white white winder winder blue blue blue blue A 185 A 185 stepping stepping motor motor (SL) blue blue stitch length stepping motor (SB) white white stitch width yellow yellow yellow yellow white...
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Page 29: L-Print 165/170/180 (Old)
L-print artista 165 / 170 / 180 (old) Control signals for Power supply Main motor main motor for S-print Sewing light Secondary fuse T-3A (without sewing light) Transformer Main switch Circuits in this area operate at dangerous voltages! Primary fuse (Mains) -
Page 30: L-Print 165-185 (New)
L-Print artista 165-185 (new) 165-180 165-185 Main motor Sewing light a165-180 a185 Secondary fuse Main switch Primary fuse Circuits in this area operate at dangerous voltages! - Page 31 S-print artista 165-185 CFL-Converter CFL-Converter Touch- Touch- Screen Screen Ret-Print Ret-Print Connection Connection Controller Controller White White Blue Blue Yellow Yellow Black Black 1 = not in use 1 = not in use 2 = DC- voltage 2 = DC- voltage 3 = DC- voltage 3 = DC- voltage 4 = DC- voltage...
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Page 32: Diagnostic Instruction
Diagnostic instructions Warning: Dangerous voltage levels ! Mains voltage (refer to L-print page 27) The switch part of the L-print and mains cable carry dangerous voltages. For your own safety do not touch the L-print until about 30 seconds after the main voltage has been switched off. This is the time required for the capacitors to discharge. -
Page 33: Exchanging The S-Print/Touch Screen
Replacing the S-print/touch screen · Remove the top cover. · Remove the cable connections on the S-print. · Remove the front cover (see pages 5 and 6). · Disconnect the 18-pole ribbon cable connection (68) of the foot control/interface/Embroidery unit. ·... -
Page 34: Test Programs
Test programs What is to be tested: Page 1. Sewing-off 2. Forward/reverse feed equalization 3. Stepping motor test for sewing machine (balance). 4. Pinning position of all stepping motors 5. LCD/Touch-screen test 6. Touch screen calibration 7. Configuration of the sewing machine 8. -
Page 35: Test No.1 Sewing-Off
Test no. 1 (sewing-off) What is to be tested What to adjust Normal condition Sewing-off Select service program The machine can now be sewn off. no.1. Stitch length, width and L.C.R. L.C.R., straight stitch, stitch length and width can be adjusted. Buttonhole/Sensors Note: The Buttonhole sensors can be... -
Page 36: Test No.3 Stepping Motor Test For
Test no. 3 Stepping motors and S-print What is to be tested What to adjust Normal condition All stepping motors/S-print Select service program no. All step motors rotate back and forth. If a step motor does not rotate then the fault can lie either with the step motor or the S-print. The faulty components can be identified by swapping the connections of the step motors eg. -
Page 37: Test No.7 Configuration Of The Sewing
Test no. 7 Configuration of the machine What is to be tested What to adjust Normal condition Configuration of the machine Select test no. 7. The screen will automatically go into a submenu Select either artista 165/170/180 or The display shows a clock during the Caution! 185 whichever the case might be config time. -
Page 38: Test No.11 Software Version Of The
Test no. 10 Auto start/stop What is to be tested What to adjust Normal condition Endurance test for R+D Select service program no. After pressing the foot control unit, the machine will run on an on/off basis. Note: This test is only for our internal factory use! Test no. -
Page 39: Test No.13B Setting Of Reference Point
Test no. 13b Setting the reference point for the embroidery frame What is to be tested What to adjust Normal condition Reference point of the embroidery Select the reference point test After selection a further submenu unit. (With standard frame and template). will appear. -
Page 40: Test No.13G Free-Arm Eembroidery
Test no. 13g Free-arm embroidery What is to be tested What to adjust Normal condition Sensor for free-arm embroidery. Attach the free-arm embroidery The sensor field “FA” (free-arm) will unit to the machine. be active, showing that the unit has been attached. -
Page 41: Test P-Print
Test for the P-print What to test: What to adjust: Normal condition P-print and position of synchronizing disk. Select basic service program Points 4 and 5, and degree display - dis- position. Use hand wheel to played under P-print - change in 5° steps. move needle bar to upper See following list for points 1, 2, and 3, dead center (position 1). -
Page 42: Tests In Basic Position
Tests in basic position Presser foot lowering check What to test: What to adjust: Normal condition: Sensor field (lowering of the presser foot). Raise presser foot. Presser foot sensor field is activated. Lower presser foot. Presser foot sensor field remains deactiva- ted. -
Page 43: Hour Counter
Further information displayd · Motor power given in Watts · Time sewn on the machine given in hours (up to 9999). · The number of stitches sewn by the machine (up to 99’999’999). Test for the cable connection S-print to L-print What is to be tested What to adjust Normal condition... -
Page 44: Embroidery Module Function And
Embroidery module function and troubleshooting (a165-185) Function When sewing the loose fabric is moved by the feed dog. When embroidering the material hooped into the embro- idery hoop is moved. The embroidery hoop itself is put into motion by the X and Y-carriages and moved to the right position. - Page 45 Test Sample Evaluation Point / Area Normal Condition Possible Faults The two sewn lines must lie on top of one Reference point has not been adjusted. another Speed of the sewing computer is too high. Belt tension too tight/loose B Circle The circle must close at point B Binding in the X and Y-carriages.
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Page 46: Embroidery; Removing Covers
The embroidery unit: removing the covers a165-180 Note: First of all remove the accessory box! Y-carriage cover: · Remove screw (74). · Remove the Y-carriage cover. Top right side cover (without slots): · Remove three screws (75). · From the right hand side lift the cover (76) approx. -
Page 47: Belt Drive Of X- And Y-Carriages
Tensioning the belt drive of both X and Y-carriages · Loosen securing screw (78) of the toothed gear. · Move the pulley in the necessary position, until the correct tension is achieved. Correct tension is achieved when pressure is put on both sides of the belt (in the middle) and both sides just meet in the center (see arrows A). -
Page 48: Exchanging X-Carriage Stepping Motor
Exchanging the Y-carriage stepper motor · Remove all three covers (see p. 45 removing covers). · Remove the Y-carriage sensor bracket (82), this is just clipped on. · Remove the three screws (83) and remove the Y-carriage as a complete unit. ·... -
Page 49: Removing Covers
Removing Covers a185 A Accessory box: Pull out accessory box (A) B Right cover: Remove screw (2) 2) Lift right cover (B) by approx. 45° and slide to the right C Left cover: 1) Move X carriage (4) the width of two to three fingers to the right 2) Remove both screws (5) 3) Place a guard template (to avoid scratching the surface) -
Page 50: Main Cable
Main Cable a185 Disassembly: 1)Remove covers B and C 2) Remove cable tie (10) 3) Disconnect connection (11) from S-Print (12) 4) Press retaining plate (13) slightly inward until the clip is free, then slide upward 5) Slide strain relief (14) upwards 6) Remove main cable (15) Assembly: 1) Replace main cable (15) -
Page 51: Freearm Sensor And Cable
Free Arm Sensor and cable a185 Disassembly: Remove covers B and C 2) Remove screw (16) and lift free arm sensor (18) 3) Disconnect connection (17) from free arm sensor (18) 4) Remove free arm sensor (18) 5) Disconnect connection (10) from S-Print (12) 6) Remove cable Assembly: 1) Reconnect connections (10) with S-Print (12) -
Page 52: S-Print
S-Print a185 See also page 50 for labelled illustration - free arm sensor and cable Assembly: Disassembly: 1) Move X-carriage (23) 3 cm short of left buffer. 1) Remove covers A to C. 2) Slide S-print (12) back in on the left between base metal 2) Remove cable tie (10). -
Page 53: X-Carriage Stepping Motor
X-Carriage Stepping Motor Pictures are same for X-Carriage belt and gear Assembly: Disassembly: 1) Position stepping motor (32) and nuts (29) tighten along 1) Remove covers A to C with toothed (30) and normal washer (31) 2) Remove cable tie (10) 2) Check ease of run. -
Page 54: X-Carriage Belt And Gear Wheels
X-Carriage Belt and Gear Wheels Pictures are same for X-Carriage stepping motor Disassembly: Assembly: 1) Remove covers A to D 1) Position gear wheel (39a, b, c) and secure with circlip 2) Remove cable tie (10) (page 90) (38a, b, c) 3) Disconnect connection (11, 19, 20, 21) from S- Print (12) The left belt gear wheel (39b) consists of three parts. -
Page 55: Y-Carriage Sensor
Y-Carriage Sensor a185 Disassembly: 1) Remove cover D 2) Remove screw (40) 3) Disconnect connections (41) 4) Remove sensor (42) Assembly: 1) Connect sensor (42), position and secure with screw (40) 2) Reattach cover D 3) Attach embroidery module to the sewing computer 4) Check all functions in service program 6 5) Download and embroider the test sample in the service program 6i... -
Page 56: Y-Carriage Stepping Motor
Y-Carriage Stepping Motor a185 Disassembly: Remove covers A to D 2) Remove screws (43) 3) Remove carrier support (44) 4) Loosen V- Print (48) and disconnect connection (45, 46, 5) Remove nuts (49) along with toothed (50) and normal washer (51) 6) Remove stepping motor (52) Assembly: 1) Position stepping motor (52) and secure with nuts (49) -
Page 57: Y-Carriage Belt And Gear Wheels
Y-Carriage Belts and Gear Wheels Disassembly: 1) Remove covers D 2) Loosen belt tension with screw (53) 3) Remove screws (54, 55) 4) Remove Y- Profile (56) 5) Slide out hoop support (57) (page 95) 6) Remove clip (58) (page 95) 7) Remove belt (59) (page 95) 8) Remove required circlip (60a, b, c) 9) Remove required gear wheel (61a, b, c).When exchan-... -
Page 58: Embroidery Modul - Adjustment
Set Hoop Support on Y-Profile Pictures are same for X-Carriage belt and gear page 56 Check: 1) Over the total length of the guide there must be the same amount of play on the carriage guide rollers. 2) When there is too little play the carriage cannot run free- ly, but intermittently and even become jammed. - Page 59 © Copyright 2003 by Fritz Gegauf Ltd., Steckborn...