MODEL S-101.M EYELET BUTTONHOLE MACHINE PARTS AND SERVICE MANUAL MACHINE SERIAL No: PART NUMBER 97.1010.0.000 This manual is valid from the machine Serial No.
LIMITED WARRANTY ON NEW AMF REECE EQUIPMENT Warranty provisions: A ninety (90) day limited service labor warranty to correct defects in installation, workmanship, or material without charge for labor. This portion of the warranty applies to machines sold as ”installed” only. A one (1) year limited material warranty on major component parts to replace materials with defects. Any new part believed defective must be returned freight prepaid to AMF Reece, Inc. for inspection.
Warranty Registration Card (Please Fax or Mail immediately after installation) Note: All Warranty Claims Void, unless Registration Card on file at AMF Reece HQ Machine model number: (S101, S100, S104, S105, S311, Decostitch, S4000, EBS Mark II, etc) Manufacturer‘s serial or production number: Installation Site Information: Customer‘s Name: Customer‘s Mailing Address: Customer‘s Telephone Number: Supervising Mechanic‘s or Technician‘s Name: Signature of Supervising Technician: AMF Reece Technician‘s Name:
TABLE OF CONTENTS A - INTRODUCTION 1. General information......................................................................................................1-1 2. Safety labels and devices...............................................................................................1-2 3. Terminology of machine parts.........................................................................................1-3 4. Terminology of buttonhole parts................................................................
S-101.M A - INTRODUCTION 1. GENERAL INFORMATION S-101.M sewing machine is intended for sewing buttonholes on outwear. It has been designed and manufactured to be reliable and easy to operate. Special attention is paid to ensure ease and effective safety for machine operators and servicemen. Safety mechanisms protect both, operators and the machine, and respect valid safety and hygiene provisions for usual technological usage of the machine.
S-101.M A - INTRODUCTION 2. SAFETY LABELS AND DEVICES 1 2 3 4 1-2 Caution when removing cover, electric current possible injury Danger - possible injury Caution when removing cover, possible injury Grounding 5 6 7 8 9 Rotation direction Switch Needle-bar cover Drive belt cover Foot pedal Released: 10/2013 E-mail: service@amfreece.cz; webside: amfreece.
S-101.M A - INTRODUCTION 3. TERMINOLOGY OF MACHINE PARTS 10 Thread stand 11 Table 12 Stand 13 14 15 16 17 18 19 Hand wheel Drive belt cover Motor Hand screw Needle bar Clamp feet Lever for fabric clamping 20 Start lever 21 Cutting lever 22 Sewing table Released: 10/2013 E-mail: service@amfreece.cz; webside: amfreece.
S-101.M A - INTRODUCTION 4. TERMINOLOGY OF BUTTONHOLE PARTS 3 12 13 2 8 1 9 10 mm 5 11 1 2 3 4 5 6 4 First row of stitches Second row of stitches (CA) Density in the eye Shear gap Stitch density = the number of stitches in 1 cm (C7) The bigger density, the better quality look of the buttonhole 6 Bite size = the width of side stitches (C6) 7 Lengthwise pre-sewing 1-4 10 7 8 Length of cut. Material can be cut before 9 10 11 12 13 sewing (CB) or after sewing (CA) the buttonhole.
S-101.M A - INTRODUCTION 5. TECHNICAL CONDITIONS S-101.M Mechanical eyelet buttonhole machine with chain stitch can be used on men and ladies’ garments. Gimp can be also used. With a simple change, the following types of buttonholes can be sewn: - flybar - without bar - with eye - with eye - without eye - without eye Parameters Description Sewing speed Stitch type Buttonhole lenght Up to 1900 spm 401 two thread chainstitch Stitch density 3 - 16 st/cm 4 to 12 2 ...
S-101.M A - INTRODUCTION 6. COLOURED MARKING Screw - top links: Yellow marks — 1. Loosing and following disassembly of this link causes distinctive intervention to the mechanism adjustment, was done when assembled and sewed off at the that factory. 2. After such an intervention to the mechanism, new adjustment of set mechanism needs to be done and complete check of whole machine adjustment as well.
S-101.M A - INTRODUCTION DANGER ! • Before connecting the machine with the power, make sure all covers are mantled onto the machine. • If any of the safety covers needs to be dismantled, turn the main switch off, and possibly unplug the power from the socket. • Do not connect the machine with the power if any of the covers is dismantled. • Once the machine is connected with the power, check the rotation of the pulley. CAUTION ! • Remember the position of the switch so that you can use it from any position.
S-101.M A - INTRODUCTION 8. SPECIAL EQUIPMENT 8.1. Work light 1 - standard light can be ordered additionally, order number 12.0008.4.875 8.2. Set up gauge 2 - 03.0279.1.000 8.3. Buttonhole distance kit 3 - 03.5511.0.003 8.4. Loopers 1-8 - 11.4005.0.001 - for single thread stitch - 11.5005.0.005 - for sewing thin threads Released: 10/2013 E-mail: service@amfreece.cz; webside: amfreece.
S-101.M B - MACHINE INSTALLATION 1. CONTENT OF CONSIGNMENT 1.1. If not stated otherwise, the consignment contains the following: • machine head • cardboard with accessories (specification in the Spare Parts section 3-58) • thread stand dismantled 1 • operator’s manual with Spare Parts list • stand dismantled with motor (if ordered) 1 1.2. When unpacking the machine, it is necessary to follow marks placed on the wrapping.
S-101.M B - MACHINE INSTALLATION 3. THREAD STAND INSTALLATION 3.1. Put the thread stad together according to the drawing 3.2. Position of the locking ring 1 allows assembly of the thread stand for various thicknes of table top. Threaded end of the post 6 must not extend more than 1 mm (1/32“) through the locking nut 5 . 3.3. Insert the washer 2 and the post into the hole provided in the right rear of the table top 3 . Insert the washer 4 and tighten the nut 5 .
S-101.M B - MACHINE INSTALLATION 4. CONNECTING MACHINE WITH DISTRIBUTION OF ELECTRICITY 4.1. Once you mount the machine sewing head onto the stand connect the power cord with the socket. No appliances can not be connected with the socket - circuit protection. Teh pulley in teh rear left must rotate clock wise once you connect the power cord with the socket, switch on the switch and press the foot pedal.
S-101.M B - MACHINE INSTALLATION 4.4. Diagram of connection IN+PE 230V/50Hz SECURING OF FEEDING SOCKET MAIN SWITCH OF THE PLUG MOVABLE FEEDING WORK SWITCH - CIRCUIT BREAKER WITH OVER CURRENT PROTECTION NO-VOLTAGE RELEACE DEVICE BORDER RECOMMENDED SECURING PROTECTION FROM JANGEROUS TOUCH REALIZED ACCORDING TO EN 60204 17.0007.8.172 4.5.
S-101.M B - MACHINE INSTALLATION 4.6. Diagram of connection 3N+PE 400V/50Hz SECURING OF FEEDING SOCKET MOVABLE FEEDING MAIN SWITCH OF THE PLUG WORK SWITCH - CIRCUIT BREAKER WITH OVER CURRENT PROTECTION NO-VOLTAGE RELEACE DEVICE BORDER RECOMMENDED SECURING PROTECTION FROM JANGEROUS TOUCH REALIZED ACCORDING TO EN 60204 17.0007.8.173 MOVABEL FEEDING OUTER WIRING SYSTEM MACHINE WIRING SYSTEM 4.7.
S-101.M B - MACHINE INSTALLATION 4.8. Installation diagram - EYLET BUTTONHOLE MACHINE - WORK SWITCH-CIRCUIT BREAKER WITH OVERCURRENT PROTECTION SM 1-2,5 - MAIN SWITCH, PLUG - 3 F MOTOR; 1148 - FEED CABEL - FEED CABEL FOR M1 - OUTER CONNECTOR FOR POTENTIAL DIFFERENCE EQUALIZING SCREW M6-30 FROM BRASS - INSRTION TRAY - CLIP “A” PROTECTION FROM DANGEROUS TOUCH REALIZED ACCORDING TO EN 60204-1 1-14 Released: 10/2013 E-mail: service@amfreece.cz; webside: amfreece.
S-101.M B - MACHINE INSTALLATION 5. BELT ASSEMBLY AND ADJUSTMENT An appropriate Jackshaft Ass. pulley 8 shall be used according to the mains power system (line power) frequency – either 50 Hz or 60 Hz. WARNING! The machine can be seriously damaged when operated at higher frequency than recommended by the machine supplier (AMF Reece). 5.1 Remove the belt cover 1 and loose the nut 2 . Tense the timing belt 4 by skewing the motor 3 . Tighten the nut 2 afterwards. 5.
S-101.M C - CORRECT USAGE 1. BUTTONHOLE SEWING PROCESS 1.1. Read carefully all safety instructions and make sure all covers are mantled onto the machine. 1.2. Put lubrication oil into lubrication holes marked as „oil“, check that theke a right amount of oil in the oil reservoir with oil gauge (see section E3). 1.3. Check, whether the upper thread and gimp are threaded correctly, as in Section C3. 1.4.
S-101.M C - CORRECT USAGE 2. NEEDLE EXCHANGE 2.1. Loosen the securing screw of the needle 2 and remove the original needle. 2.2. Place the needle so that the grove A of the needle is on the other side than the tensor 3 . The needle must not have broken tip or other defect. You can check whether it is straight, if you roll the needle on the flat pad. A good needle does not deflect in the tip. 2.3. Tighten the screw 2 . 3.
S-101.M C - CORRECT USAGE Pull threads on as shown in the pictures below. Use the threading tool 1 (in the machine accessories) to make the pulling easier. The threading tool 2 can be ordered (order number 12.0008.6.200). Thread tension is adjusted with the nut 4 as per sewing conditions. It is necessaryto side adjust the thread passes position, that passes through the fixedthread tension 3 considering the upper adjustable thread tension dises. 3.1.
S-101.M C - CORRECT USAGE 3.2. Threading lower thread can be done once the machine arm lifted 6 . Is lifted and the clamping plates 7 are removed as shown in the previous picture, process described in section E1, point 1.2. Released: 10/2013 E-mail: service@amfreece.cz; webside: amfreece.
S-101.M C - CORRECT USAGE 3.3. Threading gimp with a guide 8 into the race and stitching plate 9 . 1-20 Released: 10/2013 E-mail: service@amfreece.cz; webside: amfreece.
S-101.M C - CORRECT USAGE 4. PRINCIPLES OF SEWING S-101.M machine manufactured by AMF Reece sews with a two-thread chain buttonhole stitch with the possibility to use gimp 3 . The principle of a chain stitch is weaving two so called endless threads, upper thread 1 and lower thread 2 , that enables sewing applications without the necessity to refill the supply of lower thread – as it is usual when sewing lockstitches.
S-101.M C - CORRECT USAGE 5. MACHINE DESCRIPTION AND ITS FUNCTIONS The supplied machine is a box-type piece of equipment with an optimally raised working area above the table desk. The arm with the sewing mechanism is placed in the folding frame to adjust and pull in threads. The machine is installed so that t suits the seated or standing operator. Machines are adjusted “cut after sewing” (CA) at the manufacturer, unless specified otherwise.
S-101.M C - CORRECT USAGE 7. STITCH DENSITY ADJUSTMENT / CHANGING THE BUTTONHOLE SHAPE - WITH - WITHOUT EYE Stitch density adjustment can be done throught the hole in the right side base cover. 7.1. To adjust the number of stitches, loose the nut 1 and move the drawbar 2 forward → A or backward → B (forward to increase the number of stitches, backward to decrease the number of stitches) as needed. Once you finish the adjustment, tighten the nut 1 . 7.2.
S-101.M C - CORRECT USAGE 8. STITCHING LENGTH AND FLYBAR ADJUSTMENT 8.1. The length of stitching, it means the moment when the sewing process begins with the movement of working desk can be influenced as follows: loosen the screw 4 of the dial gauge 5 and move it 5 so that the required length of stitching on the dial gauge 5 is at the same point as the edge of the mark 2 . Tighten the screw 4 . The total length of stitching L is now set up – see the picture.
S-101.M C - CORRECT USAGE 9. CHANGING THE POSITION OF STITCH ROW – GAPS FOR CUT The change of the position of stitch rows is used especially when the thickness of the sewn material changes or when the machine is adjusted from cut before to cut after and vise versa. After loosing the nut 1 , you can change the setting by rotating the excentric pin according to the drawing. By moving it towards the operator the cutting space is extended, by moving away from the operator it is reduced.
S-101.M D - MACHINE ADJUSTMENT WARNING! Do not start any maintenance work before you read the service manual with instructions for mechanics – Sections D and E. DANGER! • Before you start doing any maintenance work, always turn the operational switch (breaker) off and unplug the power cord. That will eliminate the possibility of the machine being accidentally switched on by another person. • Make sure that the power cord is secured against any mechanical breakage.
S-101.M D - MACHINE ADJUSTMENT WARNING! The holder 12 of the pins 4 is at the manufacturer fitted by wedges and fined with a pin. Do not change the position of wedges. Switching over the pins can be adjusted after turning the cam in to the position when the roll 2 is in the position 9 of cam travel 3 . The pin 4 should leave the groove 5 in the cam at this point. If not, adjust the bracket 10 as needed once you loos the screen 11 . Released: 10/2013 E-mail: service@amfreece.cz; webside: amfreece.
S-101.M D - MACHINE ADJUSTMENT 2. STOPPING MECHANISM 0,2-0,3 m m 2.1. Adjustment is done out of sewing process in the home position of the machine, it means during the time when the stopping mechanism blocks the movement of sewing shaft. It is impossible to turn the hand wheel 1 . The play of the roll in this position is 0,1-0,2mm above the ruler 3 . Stopping lever 4 secures the roll stud 5 . Loosen the nut 6 , set up gap between the roll 2 and the ruler 3 by the screw 7 .
S-101.M D - MACHINE ADJUSTMENT 2.3. Turn the hand wheel 1 to keep the stop 14 at the lever 11 in A position. Turn the left wheel 13 until the stop 14 of the right stopping wheel gets released. Once the stop is realesed, stop turning! 2.4. The play of 0,1 ...0,2 mm between the dogs 14 can be adjusted by loosing the screw 15 , moving the wheel 16 inside or outside as necessary. Tighten the screw 15 after the adjustment. 0,10...0,20 B 2.5. Turn the hand wheel 1 until the stop gets into B position.
S-101.M D - MACHINE ADJUSTMENT 3. STOPPING STROKE ADJUSTMENT The friction clutch is set by the manufacturer in order to deaden the initial stroke by sliding, 35 - 47mm from the pulley loop. It corresponds with values from 45 to 60 on the gauge, between the shaft and the drive pulley. To check the adjustment, order the gauge 03.0403.0.000. WARNING! The manufacturer does not recommend slippage larger than 55mm. Smaller slippage than 35 mm causes excessive wear-out on all funkcional parts.
S-101.M D - MACHINE ADJUSTMENT 4. BRAKE ADJUSTMENT 0.75 mm 4.1 Adjustment of drive shaft brake The Drive shaft brake optimalizes the stitch density of the buttonhole seaming on both, left and right side. 1. Loosen the screw 1 of the ring 2 of the drive shaft brake. 2. Set the brake pressure using a suitable tool (screw driver). Set the groove between the flexible washers 3 by pressing them and the ring for approximately cca 0,75mm. 3. Tighten the screw 1 of the ring 2 .
S-101.M D - MACHINE ADJUSTMENT 5. TURNING MECHANISM ALIGNMENT When the machine does not move, turning segments 1 , 3 are adjusted on the right in the machine axis onto the second segment gear. Supporting area of the looper holder 8 is in vertical position on the table axis 9 . The looper mechanism is adjusted after loosing the screw 2 needle bar mechanism after loosing the screw 4 . Tension disks 7 are forward-facing.
S-101.M D - MACHINE ADJUSTMENT 6. BUTTONHOLE SHAPE ADJUSTMENT To check the buttonhole shape, it is necessary to create a new stitching pattern on a pice of paper with cutting sewing. Use a tip in the needle bar instead of a needle, to create a stitching pattern on the paper. It is possible to order the tip at the manufacturer, order number 02.0001.0.000. 6.1. Check the new stitching pattern and determine where to adjust the nut 1 to obtain the right eye shape. Use the examples below as guidance. 6.2.
S-101.M D - MACHINE ADJUSTMENT 7. NEEDLE BAR HEIGHT 16,2 mm Turning the hand wheel on the right side of the machine, lower the needle bar 1 to the bottom position. Use the gauge 4 (03.0279.1.000) to make an adjustment or another similar tool with checking point 15,85 mm from the bottom surface for clamp plates.
S-101.M D - MACHINE ADJUSTMENT 8. LOOPERS ADJUSTMENT 8.1. Adjustment is done with clamping plates dismantled from the machine, stitching plate and the upper thread trimming knife holder 1 removed. Loosen the screw 2 to remove it. 8.2. The loopers are adjusted correctly if their tips are in the centre of the needle, when the needle lifts up of 2,4 mm from the bottom dead point. It is suitable to do the adjustment in the moment when the blocking lever is out of function, in the area of sewing.
S-101.M D - MACHINE ADJUSTMENT 8.5. If it is not like that, loosen the crew 10 and turn slightly the bushing nut 11 with a wrench until the loopers are in the axis of the needle, at the same height. 1-36 Released: 10/2013 E-mail: service@amfreece.cz; webside: amfreece.
S-101.M D - MACHINE ADJUSTMENT 9. SPREADERS ADJUSTMENT 9.1. The position of spreaders is controlled by stoppers 12 . The right spreader 10 needs to be adjusted to the edge of the right looper 9 , the left spreader 11 with its groove to the opening of the left looper 6 . Loosen the screws to change the set up with adjustments of stoppers 12 . The stoppers also define the axial play of the spreaders; after their adjustment, they must not hang. 9.2.
S-101.M D - MACHINE ADJUSTMENT 10. UPPER THREAD TRIMMING 10.1 After attaching the holder with trimming knife 1 set up the knife vertically to get a clearance of 0.1 – 0.15 mm above the right spreader 4 and tighten the screw 3 . After attaching the throat-plate there must be a clearance between the adjusted knife and throat-plate. 10.2 Adjust the basic angle setting of trimming knife 1 using the screw 2 in the way that left knife edge is away from the area of throat-plate 8 .
S-101.M D - MACHINE ADJUSTMENT 11. UPPER THREAD TENSION The amount of the thread required for sewing another buttonhole changes with the conditions and quality of the sewn workpiece. Thin materials usually require more thread at the beginning of sewing than thick materials. If more than one kind of fabric is being sewn, it is suitable to make the adjustment on the thinnest/lightest fabric. 11.1. Thread tensioner tilts in the direction → X when the machine sews the buttonhole eye.
S-101.M D - MACHINE ADJUSTMENT 12. SEWING SWITCH LEVER 12.1. Loosen the nut 1 of the set screw 2 . 12.2. Screwing in → A will shorten the length of sewing the second row of stitches. Screwing out → B will lengthen the sewing of the second row of stitches. Secure the position with the nut 1 . A B A B 1-40 Released: 10/2013 E-mail: service@amfreece.cz; webside: amfreece.
S-101.M D - MACHINE ADJUSTMENT 13. MATERIAL CUTTING MECHANISM ADJUSTMENT The adjustable mechanism 7 at this type of machine has the cutting steel fitted into the cutting lever 1 and the cutting knife fitted into the cutting block. The starting point for the adjustment of the cuting mechanism is the needle mechanism and sewing mechanism. The cutting lever 1 is fitted onto the studs 2 and secured with the screw 3 .
S-101.M D - MACHINE ADJUSTMENT The cutting pressure to be adjusted whenchanging the cutting knives or the sewn workpiece. Turn the screw 10 clockwise to increase the pressure. The adjusted pressure must be as small as possible. NOTE: To find out, whether the cut is even, press the lever by hands onto the paper. The imprint must be even along the whole length. We do not recommend repairing damaged knives.
S-101.M D - MACHINE ADJUSTMENT 14. ADJUSTMENT OF CLAMPING MECHANISM 14.1. The basic position of the clamp plates with clamp feet can be adjusted by turning the left hand wheel. The rolls 1 on the knife holder wedge spreader and the clamp plates are spread. Loosing the screws 2 make sit possible to adjust the stoppers 3 . The gap X should be same on both plates (asi 0.8 mm). Alignment of plates is adjusted by the stud 4 .
S-101.M D - MACHINE ADJUSTMENT 0,8 mm 14.5. Adjustment of safety latch – turn the left wheel. Once the machine is in the home position and feet levers release, the safety latch 16 should be above the groove placed on the tip of the square 15 . To make adjustment, loosen screws 17 and move the support 19 upwards or downwards as necessary so that the latch 16 drops into the groove. Once the adjustment is done, tighten the screws 17 .
S-101.M D - MACHINE ADJUSTMENT 15. CUT BEFORE AND CUT AFTER ADJUSTMENT The change between cut after/before is ensured by two functional components, change of the lever 1 position, up left back and by shifting the control lever 2 down. After rearrangement it is necessary to twice mechanically test the machine cycle (without sewing) - the first cycle is usually incomplete. Make the adjustment in the home position: 15.1. Move the lever 1 into the selected position CA or CB (CA = cut after, CB = cut before).
S-101.M E - STANDARD MACHINE WARNING! - Do not miss out regular maintenance work. - If electricity supply is cut off, turn the main switch off. - Do not damage, modify or remove the safety labels. - Do not work on the machine intoxicated or impaired. CAUTION! - Check electricity cables that they are not damaged. - Check that all safety covers are in good condition. Replace damaged covers or order new ones! - Never put your fingers into the sewing mechanism and needle area.
S-101.M E - STANDARD MACHINE 2. SUMMARY OF MAINTENANCE Once a day (10 hours) - visual inspection - cleaning sewing mechanism area and inside the machine frame - lubrication of rare shaft (see section 3.1) WARNING! If the waste hole in the knife 2 or incudes 1 block, the knife breaks.
S-101.M E - STANDARD MACHINE 3. MACHINE LUBRICATION Before the machine is switched on for the first time, all preservative oils must be removed. It is also necessary to lubricate all areas shown below. This must be done when the machine is not used for some time too. 3.1. The machine is equipped with group lubrication system, which lowers demands for maintenance. There are red spots or OIL indicating areas that need to be lubricate.
S-101.M E - STANDARD MACHINE 3.4. Remove the clamp plates as stated in section E1 ad) 2 and lubricate the drawbar case 7 and 8 , spreader fasteners 9 and 10 , looper spreader stud 11 , drive drawbar 12 and 13 1-2 drops of oil onto the areas market in the drawing. (marked in red color on the machine). To get better access to the drive drawbar, tilt the machine head. Released: 10/2013 E-mail: service@amfreece.cz; webside: amfreece.
S-101.M E - STANDARD MACHINE 3.5. Check the machine for further lubrication. Pour 1-2 drops into each place marked with red color. Pay your attention especially for sewing cam, feeding mechanism, side needle bite, drive shaft, cutting lever case and other moving parts. 3.6. Make at least 10 buttonholes on a scrap piece of material after lubrication to eliminate the possibility of making oil stains on a workpiece; wipe off visible remains of oil. 3.7.
S-101.M E - STANDARD MACHINE 4. DISPOSAL PROVISIONS 4.1. To ensure ecological disposal of machines, it is important to remove nonmetal parts from the machines. Once they are removed, it is necessary to dismantle covers, machine arm and pull it out from the frame. 4.2. Aluminum and hard aluminum parts, non-ferrous metals and plastic parts must be processed differently. 4.3. The parts mentioned in article 4.
S-101.M E - STANDARD MACHINE 1-52 Released: 10/2013 E-mail: service@amfreece.cz; webside: amfreece.
S-101.M TROUBLESHOOTING TABLE OF CONTENTS 1. 2. 3. 4. INTRODUCTION......................................................................................................................2-2 MACHINE DRIVE AND ADJUSTING FAULTS.....................................................................2-3 SEWING FAULTS................................................................................................................2-4 APPEARANCE DEFECTS ON SEWING BUTTONHOLE...............................................
S-101.M TROUBLESHOOTING 1. INTRODUCTION WARNING! Inspect the machine on regular basic and use only quality parts. The manufacturer recommends usin original AMF Reece parts, especially needles, loopers, spreaders, and throat plates. Adjustment quick reference list stroje NOTE! Required machine setting is variable according to the fabric and thread variations used. The type of thread and fabric will affect the amount of wear on machine parts.
S-101.M TROUBLESHOOTING 2. MACHINE DRIVE AND ADJUSTING FAULTS SYMPTOM Motor fails to start The machine fails POSSIBLE CAUSE No power to the motor Check electrical plug and wiring Incorrect voltage Check with a voltage meter Electrical equipment defect Check: a) main switch b) fuses c) emergency stop switch Icorrect motor rotation Change the plugs Missing left belt Replace the belt Circle 13.3123.0.000 and tapped 10.3042.0.000 are not in gear a) Replace drive lever spring 01. 5055.0.
S-101.M TROUBLESHOOTING SYMPTOM Machine fails to stop, but repeates the cycle POSSIBLE CAUSE POSSIBLE SOLUTION SERVICE SECTION Damaged or weak starting lever spring Replace the spring 01.5020.0.000 or increase the pressure Switching start lever a) Increase the spring pressure b) Replace the spring 01.5019.0.
S-101.M TROUBLESHOOTING 3. SEWING FAULTS SYMPTOM Skipping stitches POSSIBLE CAUSE Breakage of upper thread SERVICE SECTION Incorrectly installed needle Replace the needle C-2 Wrong threading Adjust C-3 Incorrect thread tension Adjust the thread tension C-3 Bent needle Replace Clearance in sewing drive Adjust Excessive looper to needle clearance Adjust the clearance Incorrectly adjusted stitch mech.
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