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Operating Instructions

1. insert the new resistance block the headless screw reconnect the terminal block Block screw Block nut Resistance support block TER Heating resistance a Electrical connector 9 2 Replacement of threading needle To replace proceed as follows Turn the MAIN SWITCH TO O POSITION and disconnectthe machine cable from the electricity supply Turn the small wheel in the direction shown by the arrow to lower the needle bar A043 that holds the needle clamp A0442 Loosen the blocking screw of the needle clamp Remove the used or damaged needle Replace with a new needle pushing it as far as possible into the Saat to make sure it is placed correctly and checking that the barb is turned towards the right and the presser foot When the needle has been correctly placed in position tighten the blocking screw Block screw Needle stop Xs hn SS Y Needs FUE N A0442 Needle support rod N A043 i Needle guide Warning Further information concerning needles and their mounting Use needles that correspond to the size of the thread employed THREAD STRANDS NEEDLE N ART 4002 HL 4 5 6 CO OC GA 5 6 7 9 3 Loop opener replacement To replace the loop opener proceed as follows Turn the MAIN SWITCH TO POSITION and disconnect the machine cable from the Sy Supply Turn the small wheel till the position in the drawing has been reached Unsrew the blocking n
2. A 0115 Tension Wheel washer square hole 96 02 45 09 A 0116 Tension wheel friction washer 96 02 46 09 A 0117 Stripper plug 96 02 47 09 A 0118 Rubber stripper 96 02 48 09 A 0119L Vertical shaft 96 02 49 09 A 0120 Upper gear 96 02 50 09 A 0121 Lower gear 96 02 51 09 A 0125 Wax heater pot 96 02 52 09 A 0126 Stripper plug support 96 02 53 09 A 0127 Thread keeper 96 02 54 09 A 0128 Stripper plug 96 02 55 09 A 0129L Felt stripper 96 02 56 09 A 0130L Guide thread spring 96 02 57 09 A 0131L Guide thread stud 2 D 96 02 58 09 A 0132L Guide thread spring 96 02 59 09 A 0133L Wax pot thread roll guard 96 02 60 09 A O134L Wax pot thread roll 96 02 61 09 A 0135 Wax pot thread roll stud 96 02 62 09 H TAVOLAN 2 ds crt a nu meer ae ont ay EE A076 4 O75 e in e o A 0106 085 A 097 A 086 A O105L A093 A092 Aon A096 A 0100 A 0102 e A 0104 Agi 3 e 9 g A 0103 ADM AOIIS AONZ AO118 W a A 0112 A0128 A012 A 0127 A 0130 amp A 0135 A 0134 A 0133 A 013 z AOUPL Ilem A A Main Group 0109 0110 0111 0112 0113 0114 0115 0116 0117 0118 0119 0120 0121 0122 0123 0124 0125 0126 0127 0128 0129L 0130L 0131L 0132L 0133L 0134L 0135 064 068 069 Stitching Machine Shaft Spare PartList E 85 96 03 00 04 For Drawing 5 80 M
3. A 082 Lifting lever roll 96 02 13 09 A 083 Take up thread roll stud 96 02 14 09 A 084 Take up thread roll 96 02 15 09 A 085 Take up thread roll guard 96 02 16 09 A 086 Hand wheel pivot pin 96 02 17 09 A 087 Shuttle driver gear 185 08 A 088 Shuttle driver 1 V 26 02 19 09 A 089 Loop opener 96 02 20 09 A 090 f Shuttle 96 02 21 09 A 091 Bobbin keeper 02 22 08 A 092 Bobbin keeper stud 96 02 23 09 A 093 Bobbin keeper spring 96 02 24 09 A 094 Bobbin tension plate 96 02 25 09 A 095 Bobbin tension spring 1 V 96 02 26 09 A 096 Grase fitting 96 02 27 09 A 097 Handwheel retaining collar 96 02 28 09 A 099 Pulley for winding the spool 96 02 29 09 A 0100 Handle to block the winding spool 96 02 30 09 A 0102 Winding spool 96 02 31 09 A 0103 Small shaft winding spool 96 02 32 09 IA 0104 Shagreened knob l O54 02099 09 IA O105L Shaft for lever pull 96 02 34 09 A 0106 Fixing ring 96 02 35 09 A 96 02 36 09 BENE Spare FartList E 85 96 02 00 04 d Machine For Drawing ST9Q MAXI HORN Sub Group em ee i Reference No AB 0107 Handwheel with gear l 66202 3700 IA 0108 Wax pot 2V 96 02 38 09 A 0109 Wax pot lid 96 02 39 09 A 0110 Tension wheel 96 02 40 09 A 0111 Tension wheel stud 66 02 41 09 A 0112 Tension wheel spring 96 02 42 09 A 0113 Tension wheel adjusting nut 96 02 43 09 A 0114 Tension wheel washer 96 02 44 09
4. S Press down on the motor support and the tightened belt Tighten the screw Replace the rear cover Belt tension tightener motor A0177 6 4 3 Stitch length adjustment To set the Stitch length proceed as follows Turn the MAIN SWITCH TO 0 POSITION and disconnect the machine cable from the electricity supply Loosen the blocking nut urn the knob A034 in order to adjust the stitch length Stitching will increase in length when the knob is turned in an anti clockwise direction and decrease in a clockwise dir ction When the stitch length is set tighten the blocking nut Waming On the front side of the sewing machine head is a small plate with the direction of the rotation for i increasing or decreasing stitch length Y S OC N Stitch length adjustment 4 a ENS wheel A034 E ed va Block nut X BAAR 6 4 3 1 Adjustment of horn thread tension To set ihe tension proceed as follows Turn the MAIN SWITCH TO O POSITION and disconnect the machine cable from the electricity supply Open the front door that protects the mechanical parts located on the machine base Loosen the stripper plug A0128 Adjust the pressure panel until the desired tension has been Bring the stripper plug back to its original position Once the tension has been set close the door Whirl 533F 2 Upper horn thread roll 548 Horn 530L me Lower hom
5. SWITCH TO O POSITION and disconnect the machine cable from the elctricity supply Open the front door that closes the mechanical parts te inthe machine base Turn the setting knob until the desired tension has been reached Bring the stripper plug back to its original position Close the front door Thread tension pressure adjustment knob A0113 Stripper plug 40128 7 SETTING UP THE MACHINE READY FOR WORK The machine has been designed with the control and work position in front of the elctrical control panel and the stitching area needle and shuttle To ensure correct functioning and long life the sewing machine should be used by an experienced operator T 1 Electrical control panel The electrical control panelis located at the work position on the right hand side of the machine base seen fromthe control panel side The electrical controls are located on a satined aluminium panel fixed with 6 scre l Electrical panel without heating device O Q eneral switch pilot light On the panel are the following electrical control commands Reference Function 1 MAIN SWITCH dual position switch By turning the switch to position 1 all electrical parts on the machine will be connected to the electricity supply l 2 HEATING EQUIPMENT MAIN SWITCH where present on the machine three position switch On machines equipped with heating in the sewing and wax container areas this switc
6. after having disconnected the machine cable from the elctricity supply 17 For the spool any type of thread can be used as long as it is one strand thicker than that used on the hom 18 To stop the machine immediately at any time press the red EMERGENCY button located on the front of the machine base on the upper left hand side as seen from the contro side This button cuts off the electricity from both motors To start up the machine again turn the red emergency button in a clockwise direction the braking system will be released and the button will return to its original rest position 19 While the machine is working it is absolutely forbidden to remove any of the sare protections provided by the manufacturer for the operator s safety All rights reserved The reproduction of this manual is prohibited even partially and in any form whatsoever printed photocopied microfilmed or other methods as well as by computer processing reproduction or diffusion using electronic means i gt 3 3 gt I EB 4 gt 4m 3 3 m PP PP PP PSS gt E gt m gt P P D gt mmm Main n Group s 5190 MAXI HORN pr SENE 03 04 05 06 07 08 09 010 011 Dio 013 014 015 017 018 019 020 021 022 023 024 025 026 027 028 029 030 031 032 033 034 Stitching Machine Base Column Head Head cover Set cams 2 V Cam shaft Gear 2 V Shuttle cam lever pivot pi
7. around the bobbin Turn onthe motor switch by shifting the lever from right to left and vice versa the bobbin will be wound full 6 To regulate the amount of wax for thread coating if the thread is too dry the stripper plug A 0117 must be loosened and tightened if there is too much wax onthe thread i 7 When winding is completed lower the protection again thus stopping the shaft rotation 8 Turn the spool switch on where present on the machine to MAX position place one of the waxed spools onthe little pot behind the shuttle block This way the spool will be heated correctly for good stitching results Afterthe spool heater has reached correct working temperature turn the switch to MIN position to maintain this temperature for sewing operations 14 ST 90 SEWING MACHINE NOISE EMMISSION In order to limit high noise emission onthe ST 90 the manufacturer has employed special anti boom materials inside the machine THE NOISE EMISSION LEVEL IS REMARKABLY UNDER THE 80 dB A LEVELESTABLISHED BY DIRECTIVE T USE OFTHE ST 90 WITH HORN FOR OPANKA STITCHING 11 1 Replacement of the Blake stitching horn with the Opanka horn To replace proceed as follows Unscrew the horn screws and remove the horn Unscrew the C screws from the D gear and slide out the shaft Position the shaft with the gear N 570 MV Replace the D gear moving it a little to place it in position ad tighten the C screws Place the Opanka
8. fixing screws 8 To avoid thread blocking during sewing operations lubrify the thread guides and eyelets from time to time 9 The lower part of the thread path passes through the emulsion container This container can be removed to facilitate threading in this area lower the container using the knob on the right hand side of the container For best working conditions the emulsion in the container should be 3 oil in water 10 For the horn good quality right twisted thread or polyester thread is recommended 11 Machine threading must always be carried out with the machine stopped and with the MAIN SWITCH IN O POSITION as well as the machine cable disconnected from the electricity supply 12 The upper part of the machine near the shuttle can reach high temperatures when heated 13 In the area near the wax container the temperature can be very hot Maximum attention must be paid when working in this area and it is necessary wear gloves and other protection 14 Before beginning a work cycle wait until the shuttle has reached the correct temperature set on the SHUTTLE HEATER thermoregulator located on the electrical contro panel 15 Never start up the machine without having first placed the article to be stitched in work position between the presser foot and the horn tip 16 Operators must never intervene in the needle shuttle area for maintenance without first switching off the machine MAIN SWITCH IN O POSITION and
9. horn with the oil hole turned toward the operator centering it with the needle and tighten the screws strongly Re set the whirl 12 REPAIRS AND MAINTENANCE 12 1 Maintenance Correct maintenance is a very important factorto ensure long life good working order and top performance as well asto guarantee the safety precautions envisaged by the manufacturer Normal maintenance schedule Operation Machine part Regularity Lubrification All points visibly marked with red paint once a week Inside the shuttle before inserting the spool at each spool change Whirl a few drops of oil through the plate hole once a day Hom removing cover N 538 on elbow once a month Greasing Cams rollers pins and runner guides once a week Visual condition check Pneumatic tubing and connections once a week Control check EMERGENCY button function l each production start up 12 2 Operations which must be carried out by qualified personnel Below is a list of all the maintenance operations that require technical competence and which must be carried out by qualified personnel The user must for no reason carry out any of the following operations Replacement or repairs to any transmission parts Replacement of any seals or gaskets Replacement of any electrical components Opening of the elctrical control panel and or intervention with any electrical parts Adjustment of the shuttle position Adjustment of the thread puller posit
10. it easier to find the correct insertion position between the shuttle driver A088 and the shuttle A090 proceed as follows Turn the MAIN SWITCH TO O POSITION and disconnect the machine cable from the electricity supply Rotate the hand wheel manually in the direction shown by the arrow until the shuttle turns completely to the left leaving the loop opener N A089 sticking out Unscrew the shuttle retaining nut N A073 of the shuttle ring N A072 Turn the shuttle ring to the right and push downwards sliding it out from its holder Remove the shuttle from the ring which is now ready forthe spool bobbin to be inserted Using the screwdriver press on the head of screw N A092 located on the inside face of the shuttle and with the cover N A091 raised pull it aside to leave an open space for inserting the bobbin Insert the thread iri the small hole A on the rounded wall Insert the bobbin so that when the thread is pulled the bobbin turns in an anti clockwise direction Close the shuttle replacing the cover in its original position Wind the thread around the small spring N A094 and then pass it underneath the spring now insert the thread in the second small hole B Check that the thread runs smoothly without blocking Re insertthe shuttle in the shuttle ring Replace the shuttle ring in its ho sing Turn the shuttle ring blocking screw back to its original position Bobbin keeper Bo
11. the correct position perfectly and re assemble the rest of the tip lf the rotation between the pinion N 536 and the whirl N 533 is forced remove the hom cover rear 538 on the horn elbow and gradually unscrew the threaded pinion adjusting screw 540 until rotation movement is completely free 10 ACCESSORIES 10 1 Preparation of the shuttle spool using the spool winder On delivery to the customer the machine is already prepared with a length of thread which shows the various passages the thread must follow to reach the spool winder To carry out this operation proceed as follows Unscrewthe stripper plug A 0117 Tie a knot in the end of the thread attatched to the SE Open the thread above the knot and pass the thread of the new skein inserted among the strands of the old thread for about half a meter Take the end of the thread after having untied it from the spool winder shaft and pull through until the new thread has passed completely Where sewing is carried out using the heated wax container or liquid wax it is adviseable to setthe stripper plug until the thread to be wound on the spool comes out wax but clean If there is difficulty in passing the thread it must be pulled manually through the tighter passages Take care not to let the skein of thread run out completely Bobbin A077 Spool winder A0102 A Spool winder block A0100 Shuttle thread guide Stripper plug A0117 Ke
12. 5 3 Position the article to be stitched between the horn tip and the presser foot 4 Make sure that the presser foot sits in the guiding groove on the shoe 5 Press the motor clutch pedal N A0182 gt the clutch is let in gt the motor will transmit to kinematics the operator can begin stitching 6 Once sewing is finished Release the control pedal gt the clutch will be on gt the sewing mechanism will stop By tuming the small bakelite wheel on the right hand side of the machine raise the needle if necessary attatch the end of the thread from the horn tip to the spring on the side of the horn T To begin a new sewing operation repeat the sequence described above Warning The brake and the clutch meshing which are used during the start up or stopping of the sewing operation are placed on an axis with the main motor and form a single block with the motor 82 ST 90 electrical layout drawing Electrical layout drawing without heating equipment Warning E 1 To stop the work sequence immediately at any time press the red EMERGENCY button located on the front of the machine base at the top on the left as seen from the control panel side This button will cut off the electricity from the motor To start up normal working functions again turn the red emergency button in a clockwise direction The braking system on the button will be released and it will return automatically to rest posit
13. 6 01 61 09 A 062 L Gear Z 50 96 01 62 09 A 063 Presserfoot bar spring stud 96 01 63 09 A 0701 Fixed stud presserfoot lifting lever 96 01 64 09 A 0430 Bronze bushing for needle bar upper 96 01 65 09 A 0431 Bronze bushing for needle bar lower 96 01 66 09 gt 0436 Lifting dog lever 6 09 0437 Lifting dog lever spring gt gt 96 01 68 09 gt TAVOLA N 1 A 08 d A 02 A Ges as 023 ons A027 035 s A On Q wm fi gos AQ A0438 B VA 038 oe P ez meng AO A 037 36 A 034 A042 bl es Q v om A 041 A 047 Y H A 063 DEM A 057 E S x i im A 053 A O62L A 058L A043 A045 A 048 i B m A0442 7 l A055 A056 Ed a JN i i T l i A070 Ans 20 SE A 049 A050 A 061 Spare Pari List For Drawing E 85 96 02 00 04 Sub G Machine roup ST90 MAXI HORN Shuttle head 2 V 0107 Handwheel gear e A 070 96 02 01 09 A 071 Shuttle electrical heater 96 02 02 09 A 072 Shuttle ring 3 plugs 96 02 03 09 A 073 Shuttle retaining nut 96 02 04 09 A 074 Take up lever 96 02 05 09 A 075 Take up cam roll stud 1 D 96 02 06 09 A 07 Take up cam roll 96 02 07 09 IA 077 Bobbin 96 02 08 09 A 078 Thread lifting lever 1 V 96 02 09 09 A 079 Thread lifting finger 1 V 96 02 10 09 A 080 Lifting lever roll stud 96 02 11 09 A 081 Lifting lever spring 96 02 12 09
14. 60 mm actual height variable from 3to 14 mm Blake 27 mm Opanka 15 mm 0 75 HP 0 55 kW TECHNICAL DESCRIPTION OF MAIN MOTOR STITCHING CONTROL Triple phase tropicalised asynchronous electric motor Power Rotation speed Protection rating 0 75 HP 0 55 kW 1400 rpm at 50 Hz IP 21 Attatched to the rear of the base is a metal plate containing all the main electrical features concerning the machine RUNNING POWER POWER SUPPLY SUPPLY FREQUENCY Res 4 CORRECT AND INCORRECT USE The ST 90 machine manufactured by HARDO Maschinenbau is a double thread sewing machine with interchangeable horns for Blake and Opanka stitching Any operations otherthan those for which the machine was designed are considered as incorrect use and can damage the machine as well as creating a serious danger hazard forthe operator 3 1 Danger warnings and advice against incorrect use The cam and control kinematics are set at the manufacturing plant The work cycle is tested several times on each machine before delivery to the customer Under no condition must the cam and kinematic positions be changed in order to maay the machine s running sequence The sewing machine s control driving pulley is calculated for the best possible working conditions and the maximum speed that permits the operator to work in complete safety Itis absolutely forbidden for the userto replace the origina
15. 9 09 09 09 09 09 09 09 Ug eO 09 09 09 29 30 09 09 09 093 09 09 Spare rart t 0 For Drawing e 85 96 01 00 04 Typ Stitching Machine Main Group 30 MAXI HORN fee NN A 035 Presserfoot lifting lever gt 96 01 35 09 A 036 Presserfoot pivot cable stud 96 01 36 09 A 034 Presserfoot lifting lever spring 96 01 37203 A 038 Presserfoot hold down block 2 V 96 01 38 09 A 039 Presserfoot lift adjusting block 1 V 96 01 39 09 A 0438 Adjusting hold down pin 96 01 40 09 A 041 Adjusting hold down pin knob 96 01 41 09 1A 042 Adjusting hold down pin spring 96 01 42 09 A 043 Needle bar 96 01 43 09 A 0442 Needle clamp 1 V 96 01 44 09 A 045 Thread Tifting cam 2 plugs 96 01 45 09 A 046 Needle cam 2 V E 96 01 46 09 A 047 Needle cam roll 96 01 47 09 A 048 Presserfoot bar spring connecting pin 96 01 48 09 A 049 Presserfoot bar 96 01 49 09 A 050 Presserfoot bar retaining plate 2 V 96 01 50 09 A 051 Feed cam lever connecting arm stud 1D 96 01 51 09 A 052 Presserfoot adjusting screw 96 01 52 09 A 053 Presserfoot lift rack 2 V 96 01 53 09 A 054 Lift hold down rack 2 V 96 01 54 09 A 055 Presserfoot bar spring i 9601799402 A 056 Feed lever spring 96 01 56 09 A 057 Presserfoot bar holding pin 96 01 57 09 A 058 L Cam shaft 96 01 58 09 A 059 Cam shaft adjusting collar 1 V 96 01 59 09 A 060 Gear 2 Y 9601 60 09 A 061 Take up cam 9
16. AXI HORN Sub Group Reference No Gear Gear pin Thread lock cam 2 V Gear 2 V Thread lock lever Thread lock lever pivot stud 1 V Thread lock lever retaining collar 19 Lock lever roll stud 1D Lock lever roll Lock lever adjusting plate 1D Lock lever stationary plate 1 V Lock lever thread guide Auxiliary take up lever Auxiliary take up lever pivot stud 1V Auxiliary take up thread roll guard Auxiliary take up thread roll Thread lock stationary plate holder Thread lock release spring Horn support base 3 V Horn base 4 V Adjusting collar 1 V Horn base bearing upper Horn base bearing lower Horn base lower pinion shaft Lower pinion shaft gear upper Lower pinion shaft gear lower FEET REST Presserfoot Screw Shoe guide roll Shoe guide stud Spare Part List For Drawing E 85 96 03 00 04 Main Gro Sub Group i Re ference No HORN PARTS um 530 L Horn 96 03 31 09 531 L Front cover 2 V 96 03 32 09 532 Thread retaining clip 1 V 96 03 33 09 533 Whirl 86 03 34 09 534 Horn tip 96 03 35 09 535 Horn cap 2 V 96 03 36 09 536 Pinion 96 03 37 09 537 Pinion driving shaft 96 03 38 09 538 Horn cover rear _2 V 96 03 39 09 539 Pinion drive shaft bushing 96 03 40 09 540 Pinion adjusting screw 96 03 41 09 541 Pinion drive shaft gear 4 V 96 03 42 09 542 L Pinion drive shaft tower 96203 43 09 543 L Pinion drive shaft gear lo
17. Operating Instructions Double Thread Sewing Machine Please preserve for future use HARDO Maschinenbau GmbH Postfach 320 D 32065 Bad Salzuflen Tel 0 52 22 9301 5 Gr ner Sand 78 D 32107 Bad Salzuflen Fax 0 52 22 93016 e mail info hardo gmbh de Internet www hardo gmbh de HARDO Maschinenbau GmbH Postfach 320 9 D 32065 Bad Salzuflen EC CONFORMITY DECLARATION in the Sense of the EC Guidelines for Machines 89 392 EEC Addendum II A We hereby declare that the below mentioned machine thanks to its design construction type and execution meets with the relevant basic safety and health requirements of the EC Guidelines for Machines This declaration will become void if the machine is modified without our prior consent zd L Designation of the Machine HARDO SEWING MACHINE DN ST 90 Machine No Applied conforming standards EN 292 2 EN 418 EN 60204 Bad Salzuflen 01 06 1996 al tenaces l INSTRUCTION MANUAL FOR DOUBLE THREAD SEWING MACHINE HARDO Maschinenbau GmbH Gr ner Sand 78 32107 Bad Salzuflen Germany Tel 0 52 22 9301 5 Fax 10 52 22 93015 MODEL ST 90 SERIAL N YEAR OF CONSTRUCTION WARNING 1 In the technical descriptions the location of all accessories and various machine parts is always given in relation to the control and work position 2 Inthe technical descriptions all mechanical details described are ER with theirtechnical term and can be id
18. ake when the main motor is switched on ei Head protection carter Protection carter 4 hand wheel belt Protection carter spool traction belt Motor protection door Pedal protection 8 1 82 8 3 9 1 9 2 9 3 9 4 10 10 1 10 2 10 3 11 11 1 12 12 1 12 2 12 3 12 4 12 5 13 14 15 MACHINE USE Work cycle description ST 90 sewing machine electrical layout ST 90 sewing machine compressed air circuit REPLACEMENT OPERATIONS Replacement of shuttle heater resistance Replacement of needle threader Replacement of loop opener Replacement and timing of whirl ACCESSORIES Shuttle spool preparation using the spool winder Wax container Spool winding UsEOF ST 90 SEWING MACHINE WITH OPANKA STITCHING HORN Replacement of Blake stitching horn with Opanka horn REPAIRS AND MAINTENANCE Maintenance Operations which must be carried out by qualified personnel Possible problems that can arise with the ST 90 Spare parts and parts subject to wear and tear Equipment supplied with the ST 90 DEMOLITION INSTRUCTIONS FORTHE ST 90 ST 90 SEWING MACHINE NOISE LEVEL PRINCIPAL WARNINGS 2 TECHNICAL DESCRIPTION OF THE 51 90 SEWING MACHINE FEATURES Width Depth Height Weight Stitches per minute Machine control system Horm height Stitch length Maximum sewing thickness Maximum power TECHNICAL INFORMATION 620 mm 570mm 1650 mm 180 Kg from 120 to 150 motor with gear control 4
19. bbin A077 5 stud A092 mA 1 Shuttle A090 Bobbin tension plate A094 Se N Serie A090 Bobbin keeper A091 Shuttle Shuttle driver A088 A080 Shuttle head 2V A070 shuttle ring 3 plugs A090 Loop opener 1V A089 Waming 1 Machine threading must always be carried out with the motor switched off with MAIN SWITCH IN O POSITION and the machine cable disconnected from the electricity supply 2 The upper part ofthe machine where the shuttle is located is heated to facilitate correct stitching and canreach a high temperature 3 Before starting the production cycle wait till the shuttle has reached the correct working temperature if present on the machine 4 Never start up the machine without having previously placed the article to be stitched in position between the presser foot and the tip of the horn 5 In all cases the operator should never intervene in the stitching zone needle shuttle for repairs and maintenance without switching off the machine beforehand MAIN SWITCH IN O POSITION and without disconnecting the machine cable from the eleciricity supply 6 When the bobbin is empty to replace the shuttle thread carry out the operations described above remembering to replace the empty bobbin with a full one Rule for correct functioning For the spool any type of thread can be used as long as it is a strand thicker than the horn thread 7 3 Position
20. ch need to be replaced It is adviseable to keep a stock on hand Quantity Machine part Code number 2 Presser foot lift and hold A053 A054 down racks 1 Spring A037 1 Loop opener A089 1 Thread lifting finger A079 1 Horn tip 534 1 Horn cap 535 1 Pinion 536 1 Whirl 533 14 ST 90 SEWING MACHINE NOISE EMMISSION In orderto limit high noise emission onthe ST 90 the manufacturer has employed special anti boom materials inside the machine l THE NOISE EMISSION LEVEL IS REMARKABLY UNDER THE 80 dB A LEVEL ESTABLISHED BY DIRECTIVE 12 5 Equipment supplied with the machine Quantity Machine part Pinion Whiri Needles 4002 HL Bobbins Presser foot Presser foot for rubber needle clamp screw Horn cap screws Loop opener Threads for machine threading Steel brush Oil can Screw driver Hexagonal screw spanners 2 3 5 T spanner 4 i 0 5A fuse 2A fuse wrenches 6 7 8 10 12 13 14 17 catalogue l Block of solid wax only for machines with heating system Oil emulsion l i c gx c l3 A D L lA UMN a ON 13 DEMOLITION INSTRUCTIONS FOR THE ST 90 MACHINE Whenever and for whatever reason the machine is to be eliminated and demolished certain basic rules must be observed to safeguard public health and the environment in which we live Eliminate even the samllest traces of oil and grease on the machine lubrifying substances should not be left free in the environment but should be recovere
21. ck lever thread guide threading guides in the horn and the side hole of the whirl N 533 Tie the end of the thread to the spring on the side of the horn Close the door 3 Whid 583F _ Upper horn thread roll 548 Horn 530L Lower hom thread roll 547 Thread guide 0133L _ Auxiliary take up thread roll 0125 Take up thread roll A084 PS z Lock STEE guide 0121 ion wheel A0110 Tension wheel C leverthread guide 0121 Thread tightner block 6 Stripper plug A0128 A0162 Wax pot lid A0109 N Wax pot thread roll Wax pot lid A0109 Warning 1 In order to avoid thread blockage during sewing operations lubrify the thread guides and runs from time to time 2 To replace the thread on the horn when the bobbin is empty place a new bobbin in the correct housing and take the end ofthe thread carrying out the operation described above once more Rule for correct functioning AS indicated on the small plate in front of he operator on the sewing column for the horn use good quality right twisted thread or polyester thread 7 2 2 Threading System for the shuttle Attention the mechanical parts that need to be touched for loading the spool may reach high i emperatures on machines with spool heating systems therefore it is extremely important to take care during this operation and to use adequate protection To make
22. d ortreated by a plant specialised in the elimination of these products All sheathes flexible piping and any plastic materials or non metallic materials should be dismantled and eliminated separately Pneumatic and electrical components such as valves electrovalves pressure regulation equipment switches transformers etc must be dismantled for re use if still in good condition or if possible checked and re cycled The body and all metal parts of the machine must be dismantled and grouped according to material type This way the various parts can be dismantled and melted down for recycling Ap MAIN WARNINGS 1 Protection systems have been provided by the manufacturer to protect the operator s safety during work operations These protections must absolutely not be removed while the machine is working It is extremely important that the operator take maximum care when using the machine during all work operations Since it is impossible to place a protection in the sewing area both for high temperatures and in the needie shuttle area the operator is strongly advised to take greatcare to pay attention while working andto stop and rest iftired Extreme care should also be taken in the spool heater resistance area and where the machine is eguipped with a wax container in this area as well When the main motor is switched on be very careful not to use the pedal for sewing speed by mistake 2 Make sure the that the bloc
23. entified by their part number expressed in brackets alongside 3 All operations described in this manual must be carried out with the motor switched off and only after having disconnected the machine from the electricity supply 4 Make certain that the blocking lever on the right hand side of the sewing head which acts asa protection for the presser foot lift bar Using the motor without setting this device see drawing will provoke the breaking of the lift bar in the case of rotation in the opposite direction 5 Always use needles that correspond with the the thread used 5 strand thread needle N 5 8 Use top quality linenthread with right twist or polyester thread 7 For the spool use thread that is one or two strands thicker than that used on the horn Horn thread 5 strand 7 spool thread 6 7 strand 8 Dampen the sole before stitching to make it softer to work 5 1 5 2 5 3 5 4 6 6 1 6 2 6 2 1 6 2 2 63 6 3 1 64 6 4 1 6 42 6 4 2 1 6 4 2 2 6 4 2 3 6 4 3 6 4 3 1 6 4 4 6 4 5 6 4 6 6 4 7 Tm 7 4 1 leek 1 2 2 1 8 7 4 INDEX LIST MACHINE DESCRIPTION Protection and safety precaution advice TECHNICAL DESCRIPTION OF THE ST 90 CORRECT AND INCORRECT USE Danger and warnings against incorrect use of the machine TRANSPORT AND HANDLING OF THE MACHINE MACHINE INSTALLATION Machine measurements ST 90 base support Front view ofthe machine with main reference po
24. g This machine is designed for manual work 1 1 Advice for protection and safety precautions The manufacturer has provided forthe following safety precautions 1 Closeable front doorto protect mechanical parts thread pulling device located i inthe machine base This door can be opened using the appropriate handle 2 Protection carter forthe control transmission belt 3 Special plateto protect the motor and presser foot pedals 4 Protection carter forthe round leather belt forthe spool winder ON Protection carter forthe mechanical parts of the head fixed with hexagonal screws Warning These protection systems have been provided by the manufacturer to protect the operator during work operations The protection systems must not be removed for any reason during machine use It is extremely important that the operator take great care when usin g the machine during all sewin g operations Since it is impossible to install protection in the sewing area used by the operator the operator must use eye protection It is strongly advised that the operator take great care in using the machine correctly paying close attention to the work underway and to stop and rest if tired The operator mustalso take great care when working near the spool heater and on machines equipped with wax container n ar the wax container heater as temperatures can be very hot Take great care not to use the pedal that controls the sewing speed by mist
25. h will turn on the electricity for heating Turning the switch to MAX position gives rapid heating before work begins When the desired temperature is reached switch to MIN to maintain correct working temperatures 3 WAX CONTAINER HEATING SWITCH where present dual position switch By turning the switch to position 1 the wax container will be connected to the electricity for heating SHUTTLE HEATING SWITCH where present dual position switch The shuttle heating will be connected when the switch is on position 1 Si PILOT LIGHT green light where present This lights up when the the wax container heater is switched on 6 PILOT LIGHT green light where present This lights up when the shuttle heater is switched on T TRANSFORMER PROTECTION Fuse container with 0 5A fuse The fuse is placed to protect the 220 380 V heating equipment transformer 8 TRANSFORMER PROTECTION Fuse holder with 2A fuse where present This fuse is placed to protect the 220 380 V heating equipment transformer 9 INTERNAL LIGHTING dual position switch When turned to position 1 the inside ofthe machine base is illuminated only if the general illumination switch is on position 1 10 ILLUMINATION GENERAL SWITCH dual position switch This switch tums on the lighting when on position 1 11 General pilot light White light This light appears when the fnain switch in turned on position 1 Warning To switch on the work position lighting on the sewi
26. ing of the article to be stitched The article to be stitched must be placed between the tip of the horn and the presser foot 7 4 Replacement of illumination light The sewing machine is equipped with two illuminating lights one sends a light beam onto the stitching area one lights up the inside of the machine base To replace unscrew the lamp from the socket and replace with a new lamp 7 5 Microswitch positions There is a safety microswitch on the protective door on the machine base If this protective door is not closed the machine will not function Microswitch control on motor door opening 8 MACHINE USE Conditions necessary to permit the machine to function 1 The horn thread must be at least 10 cms Ge when it has passed through the blocking Spnng 2 The spool thread must be at least 10 cms long after passing through the shuttle 3 Sewing operations must always begin with the horn turned towards the left 4 To start sewing again with the horn turned towards the right the thread must be passed under the tip and blocked by the spring if this operation is not carried out the needle will not raise the thread 8 1 Description of function action consequence cycle The functioning sequence proceeds as follows 1 Turn on the MAIN SWITCH located on the right hand side of the machine 2 Raise the presser foot N A065 by pressing the presser foot pedal N A0183 or by working the lever N A03
27. ints concerning ST 90 Distances to be observed around the machine SETTING UP AND PREPARATION OF THE MACHINE READY FOR USE Accessory assembly Preliminary control checks _ Check on any damage the machine may have suffered during transport Machine cleaning procedure Connection to external energy supply Connection to electricity supply Control regulating and setting operations Check on correct block lever position Correct motor rotation direction check Rules for correct function Work speed Motor belt tension Stitch length adjustment Horn thread tension adjustment Presser foot pressure adjustment Presser foot advance adjustment Thread braking system adjustment Thread tension adjustment SETTING UP MACHINE READY FORWORK Electrical control panel Preparation of emulsion container Preparation of sewing thread Preparation of Blake horn threading Shuttle thread preparation Positioning of material for stitening Microswitch positions i 4 MACHINEDESCRIPTION 55 The ST 90 machine manufactured by HARDO Maschinenbau GHH is a dual threaded machine with interchangeable horns for Blake and Opanka stitching The sewing operation is carried out by a needle and shuttle mechanically run by a system with a transmission shaft cam and gears controlled by an a single or triple phase asynchronous electric motor and V belt with A section l ag The machine is equipped with a working and control panel as shown in the technical drawin
28. ion Dis assembly and re assembly of the shuttle holder support Adjustment of presser foot using the levelling screws on the sewing heat 12 3 Problems which can arise with the ST 90 sewing machine Problem Hom thread breakage the thread is of low quality the thread is too tightly blocked Unscrew the tension wheel adjusting nut A 011 3 The lock lever plates 0120 and 0119 are blocking the thread completely instead of letting it pass through though it must must not pass easily l damaged needle or needle too small forthe thread amoed thread blocked in one of the guiding passages whirl hole damaged ortoo sharp Scratches on the horn cap eliminate with fine emery cloth Problem Thread breakage or missing stitches Solution Replace the needle if not perfectly straight Check that the hook of the loop opener coincides exactly with the center of the needle and the thread runs easily through all guides and eyelets If necessary lubrify the thread guides Check that no marks or scratches have been left on the horn cap by the needle if so eliminate all scratches with a fine emery cloth Check the condition of the whirl If the whirl is worn the small hole for passing the thread will have become sharp and could cut the thread File and smooth or if necessary replace the whirl 12 4 Parts subject to wear and tear Below is a list of the parts that are subject to wear and tear and whi
29. ion l 2 While the machine is working it is absolutely forbidden to remove the protective systems that have been installed by the manufacturer as safety precautions agianst injury to the operator 5 3 Itis extremely important that the operator pay maximum attention during sewing operations Since it is impossible to install safety protection in the sewing area needle shuttle the operator must use eye protection Operators are strongly advised to use the machine correctly avoiding any lack of attention and taking a rest when tired Extreme care must be taken in the spool heater area and on the machines with wax containers near the wax heating area When the motor is switched on it is very important to take care notto press the motor pedal by mistake Emergency button 5 REPLACEMENT OPERATIONS It the machine is equipped with wax container and shuttie heating 9 1 Replacement of shuttle heating resistance To replace the resistance proceed as follows Turn the MAIN SWITCH TO O POSITION and disconnect the machine cable from the electricity supply Disconnect the terminal block Eliminate the blocking action produced by the headless screw by loosening the pin that is screwed into the threaded hole in the back part of the bobbin holder support Slide out the heater resistance When this is completed the operator will find the resistance in his hand To mount a new resistance proceed as follows
30. king system on the right hand side of the sewing head which serves as a mechanical protection for the presser foot lift bar is positioned correctly Without this protection when the motor is running see drawing it could break the lift bar if itrotates in the opposite direction Ifthe machine is to be used for any operations that were not intended by the manufacturer or for any intervention to be made to the machine the user must absolutely contact the manufacturer for advice on any danger or injuries that could be provoked by incorrect use of the machine 4 Whether the machine is placed on a pallet or whether it is shipped in an open or closed wooden crate all and transport must be carried out in an adequate manner 5 For correct machine function if the floor is not Geer flat place levelling feet under the machine Moreover to ensure perfect machine stability it is advised to place a rubber square of 4 to 5 mm thick under each corner 6 It is adviseable to protect the user s main electricity line from any overloading by providing safety switches magnetothermal switches 7 Where the supply voltage of the machine is not the same as that of the user s factory line the connections to the transformer and main motor and spool motor terminal blocks must be changed The electrical installation supply transformer is located in a special housing in the machine base to have access remove the electrical control panel by removing the 6
31. l driving pulley with another larger driving pulley Any change made to increase the sewing speed over the maximum established by the manufacturer constitutes a modification to the original design and a source of danger for the EN working onthe machine The sewing machine must never be used in explosion risk environments so it is forbidden to use the machine in any environment where there is any risk of explosion The machine was designed and built for sewing soles and other articles in leather rubber and synthetic materials For carrying out any operations not established for use with this machine or in any case for any interventions which need to be made to the machine the user is requested to ask advice from the manufacturer concerning any danger or risk resulting from incorrect use of the machine TRANSPORT AND HANDLING OF THE MACHINE Handling and transport ofthe ST 90 sewing machine should be carried out as follows Using a belt of adequate size and thickness strap around the head of the machine as shown inthe drawing and attatch the two ends securely to the hoisting hook l Raising and handling ofthe machine must be carried out using a small crane with an expert driver One of the handling crew must be on the ground to control the machine during movement since the size and shape ofthe machine makes it difficult forthe carne operator to see any eventual obstacles during machine handling Warning 1 Whe
32. lever A0175 10 2 Wax container When the machine is equipped with a wax container before using the thread it must be dipped in the wax and then wound on the spool using the spool winder To wax soak the thread pass the thread along the same route as shown in the drawing in paragraph 7 2 1 Bobbin A077 Bobbin A077 pe rs 3 Co j n I OU n 3 ll ER Ji aue ins or EE eg e 4 f MM A NS Wax container A0125 b WARNING Once the container has been filled with pieces of solid wax turn the WAX CONTAINER HEATER switch to MAX position and once the wax is melted turn to MIN position to maintain the wax at correct temperature for working When using wax it is adviseable to set the SHUTTLE HEATER thermoregulator to 50 50 C Attention High temperatures are reached near the wax container therefore the operator must be very careful using gloves and other protection where necessary 10 5 Spoolwinding See drawing in paragraph 10 2 In order to rotate the Spool winder shaft A 0103 the protection A01 02 on the winding block must be raised in this position block the handle A 01 00 1 Tumthe MAIN SWITCH TO O POSITION and disconnect the machine cable from the electricity supply 2 Insert the bobbin A 077 and block it with the knurled knob A 0104 3 Make sure that the thread passes between the two pins of the thread guide lever A 0175 4 Wind the thread twice
33. n Needle cam roll stud 1 D Cam pin Presserfoot cam lever spring Shuttle cam lever Shuttle cam lever roll stud Shuttle cam lever roll Feed cam lever Presserfoot cam lever Shuttle cam lever block l Feed cam lever spring connecting stud Feed cam lever roll stud Feed cam lever roll Presserfoot cam lever pivot stud Presserfoot cam roll Presserfoot cam roll stud Presserfoot lifting dog pivot stud 1 V Presserfoot lifting dog Pressurefoot lifting dog a collar 1 V Retaining collar spring Retaining lever spring connecting pin Rack guide i Support for shuttle cam lever pivot pin 2V Shuttle drive rack Feed cam Tever connecting arm Pivot stud for A032 Stitch length adjusting screws 1 D sz 3 nara mI SE T RIO EITTEA E E 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 E 06 96 96 oO 96 96 96 96 BE 96 s Dd 01 96 9B 01 bem 0l 01 06 O14 01 ag DI 01 01 01 Od 01 HE 01 gis OY Di DE 01 01 DE SEL E 01 01 On 01 01 01 JU C Ui 6 El Seier E 85 96 01 00 04 Reference No OT UE 03 04 09 09 08 PC 10 09 05 11 12 13 14 WEE 09 09 09 09 09 09 09 16 17 18 19 20 el 22 da ZA 23 st 28 9d 32 3 3 9 34 09 09 09 09 09 09 0
34. ng machine head turn the ILLUMINATION GENERAL SWITCH to position 1 and then turn on the lamp with its own switch 7 1 1 Preparation of emulsion container The container for the wax emulsion is located in the center of the machine base The liquid is composed of 396 wax in water To fill the container proceed as follows Turn the MAIN SWITCH TO O POSITION and disconnect the machine cable from the electricity supply Open the front protection door Slide out the container and fill itto the level indicated Return the container to its original position Close the protection door 7 2 Machine threading system 7 2 1 Threading the horn To carry out this operation proceed as follows Turn the MAIN SWITCH TO O POSITION and disconnect the machine cable from the electricity Supply Open the door on the machine base using the handle provided Place the bobbin full of thread in the correct housing located in a E in the lower right hand side ofthe base as seen from the control panel side Unwind the end ofthe thread from the bobbin and pass it ibidugh the threading guides according to the direction shown in the drawing Open the front protective cover N 531 of the horn by pressing on the closing spring Using the thread puller supplied with the machine hook up the end of the thread which is now in the base and pull it through the hole in the base of the horn Pass the thread through the two holes in the lo
35. othermic switches 2 Should the electricity supply not be the same as that indicated on the machine the terminal board connections must be changed on the transformer and main motor E The electrical equipment transformer is located in a special housing as shown in the drawing for access unscrew the 6 screws which fix the electrical control panel 2 IMPORTANT Before carrying out this operation remember to switch off the electricity supply and to remove the cable plug from the main supply line RE H Model without wax heater Tr 1 ZOW Motor connection 380 V 220 V Model with wax heater j 6 4 Checks adjusting and setting to be carried out 6 4 1 Check on correct blocking lever position Set the mechanical protection system for the presser foot lift bar placed on the right hand side of the sewing head If the motor is run without having set this protection system in the case of rotation in the opposite direction the lift bar will break ex Hold down pin knob A041 Blocking lever A041 6 4 2 Correct motor rotation direction check To run this control check proceed as follows Turn the MAIN SWITCH to position N 1 This will connect the electrical equipment on the machine to the supply and provide movement possibility for the spool winder Checkthat motor is running in the correct direction More exactly ifthe luminous switch MAIN MOTOR RUNNING isturned on ch ck that the main m
36. otor rotation direction is the same as that indicated by the arrow on the handwheel belt protection carter The pulley of the main motor should run in a clockwise direction When the sewing machine does not function as described above the 2 phase wires in the main supply plug must be inverted 200 7 QR JR G dis T v ECC 6 4 2 1 General rules to be followed for correct machine function 1 Use needles which correspond to the thread used 5 strand thread needle N 5 2 Use top quality linen right twisted thread or polyesterthread 3 Forthe spool the thread must have one ortwostrands more than that used forthe horn e g horn 5 strand tread Spool 6 7 strand thread 4 Dampen the sole to soften the leather before stitching 6 4 2 2 Work speed The machine works at two speeds To increase or reduce speed shift the T belt in the rim next to the V motor pulley see drawing Speed with A pulley 100 rpm Speed with B pulley 130 rpm Spool winder pulley Sewing device pulley 6 4 2 3 Belt tension adjustment Adjustment of the belt tension of the motor At least once every six months the motor belt tension must be controlled and adjusted To adjust the tension proceed as follows Disconnect the machine from the electricity supply by removing the Ge plug Remove the cover on the rear ofthe machine base Loosen the D screw between the belt tightening sector A0177 and the motor support
37. ther the machine is placed on a pallet or shipped in an open or closed crate all nenging must be carried out appropriately according fo the type of packing 2 The machine must be fixed securely to the supporting pallet To permit this the machine base has been equipped with four 10 mm holes bored for bolting Bolting must be done with four M8 screws which pass through the ES for fixing the machine to the wooden pallet as shown in ihe following diagram 3 Make sure that nobody is present in the hoisting area to avoid i injuries to pesos during the handling of the lifted load 4 Especially when being shipped by sea whether in an open or closed wooden crate it is adviseable to pack the crate with bags of hygroscopic salt It is also adviseable to protect the various machine parts by spraying with anti rust paint 5 The manufacturer packs the ST 90 in a wooden crate which weighs a maximum of 60 Kg Where the machine is shipped in a heavier case or crate make certain that the hoisting and transport cables are adequate for the weight of the machine and the crate to avoid accident or injury Machine transport in open or closed wooden crate 5 MACHINE INSTALLATION Attention The machine must be installed in an area with the best possible conditions as far as heat and humidity are concerned forthe operator s safety and comfort in order to reduce strain to a minimum arid to provide maximum safety conditions 5 1 Machine measuremen
38. thread roll 547 Thread guide 0133L S P Auxiliary take up thread roll 0125 Take up thread roll A084 Pe E Lock lever thread guide 0121 Tension wheel A0110 d A 7 Lock lever thread guide 0121 Thread tightner block A0162 m a Stripper plug A0128 N Wax pot lid A0109 l Wax pot thread roll Wax pot lid A0109 6 4 6 Adjustment of thread braking system This is used in the case where it is necessary to change the thread with another of a different thickness Forthis reason the thread brake block must be set as follows Tum the MAIN MOTOR SWITCH TO O POSITION and disconnect the machine cable from the electricity supply Open the front door Turn the hand wheel manually in the direction by the arrow until the two lock levers 0120 and 0119 come into contact and stop the thread from running through Loosen the K blocking nut of the lock lever on the right 0119 Screw the lock lever by inserting a pointed tool into the G holes bored on the head until the thread can run though when pulled very strongly Block the lock lever nut Closethe door ES m Block nut ock lever plate 0120 Holes bored for lock lever rotation 6 4 7 Threadtension setting Where the stitching seems not tight enough turn the pressure setting knob N A0113 thattightens the thread towards the right To carry this out proceed as follows Turn the MAIN MOTOR
39. ts The ST 90 measurements are shown in the drawing below 5 2 ST 90 Machine base support To run correctly the machine does not need to be fixed to the floor nor does it need any technical adjustment to limit vibration transmission 450 Holes diam 10 Levelling screws Warning For correct running conditions adjust the levelling screws till perfect adhesion to the floor has been obtained For perfect stability It is also adviseable to place four rubber squares between 4 and 5 mm thick under each corner of the machine base 5 3 Front view of the ST 90 with main reference points Presser foot bar Sewing head Dog control button j wen Presser foot manuallever Presser foot Hom C Horn support Horn wheel Motor door Motor control pedal L Presser foot raise pedal SA Distances to be observed around the machine For correct use of the machine and to permit safe and easy repairs and maintenance it is adviseable to respect the minimum distances around the machine as shown in the drawing H 6 SETTING UP AND PREAPARATION OF MACHINE READY FOR USE 6 1 Accessory assembly The machine is completely assembled at the manufacturing plant On reception of the machine the user does not need to assemble any particular additional machine parts 6 2 Preliminary control checks On reception of the machine it is adviseable to check that all machine components have arri
40. ut Remove and replace the used or damaged loop opener Ok ANSHI Tighten the blocking screw Loop opener block screw 9 4 Whirl replacement and setting adjustment To replace the whirl proceed as follows Turn the MAIN SWITCH TO O POSITION and disconnect the machine cable from the electricity supply Tumthe small wheel in the direction shown by the arrow and place the point of the loop opener N A089 forwards and to the left Unscrew the 2 fixing screws from the horn cap N 535 and remove the Cap Remove the whirl from its housiing and insert the new whirl taking care to position the small internal hole F 535 turned towards the right in the direction of the presser foot Pushthe loop opener point towards the horn taking care to setthe cogs of the rotation movement correctly Tumthe hand wheel manually making sure that during rotation the whirl winds the thread around the needle barb Replace the horn cap 535 D 36 Pas Pinion 536 Presser foot A065 Hole F533 KTS B 1 ee N N N Whirl 533 Horn tip 534 9 5 Pinion replacement To replace the pinion proceed as follows Turn the MAIN SWITCH TO O POSITION and disconnect the machine cable from the electrical supply Remove the pinion N 536 to be replaced and insert the new pinion in its place Turn the horn slightly pushing the pinion downwards so that it fits into
41. ved atthe destination user s plant run a series of preliminary control checks as follows i 6 2 1 Check on any damage the machine may have suffered In orderto establish any damage suffered by the machine during transport control the condition of the following parts end of run and microswitches protection systems mounted on the machine electrical wiring electrical components hom 6 2 2 Machine cleaning Clean the machine carefully removing all dust and dirt or foreign matterthat may have deposited during transport E To carry out this workthe operator should be provided with protective gloves and overall Eliminate all traces of anti rust protection that has been sprayed to protect the machine from humidity 6 3 Connection to external energy supplies 6 3 1 Connection to electricity supply The machine is supplied with the electricity supply cable complete with appropriate plug This means that the cable only has to be connected to the mains supply after having checked that the voltage and frequency ofthe motors and the electrical components on the machine are the same as those on the main Supply at the user s factory l i i E l i l The voltage and frequency of the machine are indicated on a cardboard label attatched to the Supply cable P Motor Voltage Periods Warning 1 lt is adviseable to protect the user s main supply line against any overloading by using safety switches magnet
42. wer 1D 96 03 44 09 544 Lower pinion shaft bushing 96 03 45 09 545 Lower pinion shaft bushing upper 96 03 46 09 546 L Lower pinion shaft bushing spacer 547 Lower horn thread roll 96 03 48 09 548 Upper horn thread roll 96 03 49 09 TAVOLAN 3 0113 0111 0m V0113 V 0128 V0139 SN 0121 e V54 A065 DI o P AD66 o A089 Do69 546 A067 oo A 0168 i65 d A A 0164 4 A O161 TAVOLA N Myr EEN za A 0169 A 0176 4 Lm Mt A 0182 A 0170 A 0177 de

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