Related Manuals for Pfaff PFAFF 421E1
Summary of Contents for Pfaff PFAFF 421E1
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Page 1: Instruction Manual
421E1 1421E1 Instruction Manual This instruction manual applies to machines from the following serial numbers onwards: PFAFF 421 E1 # 2546845 PFAFF 1421 E1 # 2541850 296-12-18 395/002 Betriebsanleitung engl. 04.98... - Page 2 This Instruction Manual is valid for all models and subclasses listed in the chapter "Specifications". The reprinting, copying or translation of PFAFF Instruction Manuals, whether in whole or in part, is only permitted with our previous authorisation and with written reference to the source.
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Page 3: Table Of Contents
Proper use ........................ 2 - 1 Specifications ......................3 - 1 PFAFF 421E1 ......................3 - 1 Needle and thread PFAFF 421E1 ................3 - 2 Needle and thread PFAFF 421E1 ................3 - 2 Possible models ......................3 - 2 Disposal of the machine .................. -
Page 4: Contents
Contents Contents ................Chapter - Page .01.07 Mounting the spool holder ..................8 - 4 Commissioning the machine ..................8 - 5 Turning the machine on/off ..................8 - 5 Preparation ....................... 9 - 1 Inserting the needle ....................9 - 1 Winding the bobbin thread, adjusting the thread pre-tension ........ - Page 5 Contents Contents ................Chapter - Page Filling the oil reservoir ....................12 - 2 Lubricating the bevel gears ..................12 - 2 Cleaning the air filter on the control box ..............12 - 3 Adjustment ......................13 - 1 Notes on adjusting ....................13 - 1 Tools, gauges and other accessories for adjusting ..........
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Page 6: Safety
Safety Safety 1.01 Directives This machine is constructed in accordance with the European regulations contained in the conformity and manufacturer’s declarations. In addition to this Instruction Manual, observe also all generally accepted, statutory and other regulations and legal requirements and all valid environmental protection regulations! The regionally valid regulations of the social insurance society for occupational accidents or other supervisory organisations are to be strictly adhered to! General notes on safety... -
Page 7: Safety Symbols
It is the obligation of the user to ensure that none of the safety mechanisms are removed or deactivated. It is the obligation of the user to ensure that only authorized persons operate and work on the machine. Further information can be obtained at your PFAFF agent. 1 - 2... -
Page 8: Operating And Specialist Personnel
Safety 1.05 Operating and specialist personnel Operating personnel .05.01 Operating personnel are persons responsible for the equipping, operating and cleaning of the machine as well as taking care of faults arising in the sewing area. The operating personnel is obliged to observe the following points and must: always observe the Notes on Safety in the Instruction Manual! never use any working methods which could limit the level of safety in using the machine! -
Page 9: Danger
Safety Danger A working area of 1 meter is to be kept free both in front of and behind the machine while it is in operation so that it is always easily accessible. Never reach into the sewing area while sewing! Danger of injury by the needle! Never leave objects on the table or in the needle plate area while adjusting the machine settings! Objects can become trapped or be slung away! Danger of injury! -
Page 10: Proper Use
Proper use Proper use The PFAFF 421E1 is a high speed, single needle sewing machine with forwards and reverse feeding feed-wheel and roller presser as well as a feed-synchronized needle. The Pfaff 1421E1 is a single-needle high-speed seamer with compound feed, forward- and reverse-feeding wheel feed and roller presser, and large sewing hook. -
Page 11: Specifications
Specifications Specifications PFAFF 421E1, 1421E1 Stitch type:....................301 (lockstitch) Needle system PFAFF 421E1: ..................134 Needle system PFAFF 1421E1: ................134-35 Handwheel eff. dia.: ....................65 mm Clearance under the roller presser: ................7 mm Clearance width: ....................245 mm Clearance height: .................... -
Page 12: Needle And Thread Pfaff 421E1
134 - 35 or comparable thicknesses of other thread types Possible models Model A (only PFAFF 421E1) ..........For processing fine materials Model B ................. For processing medium materials Model B/C .......... For processing medium to medium/heavy materials 3 - 2... -
Page 13: Disposal Of Machine Waste
Disposal of machine waste Disposal of machines The proper disposal of machines is the responsibility of the customer. The materials used in the machines are steel, aluminium, brass and various plastics. The electrical equipment consists of plastics and copper. The machine is to be disposed of in accordance with the locally valid environmental protection regulations. -
Page 14: Transport Packaging And Storage
Transport packaging and storage Transport packaging and storage Transport to the customer’s premises Within Germany, complete machines (with table and motor) are delivered without packaging. Machines without a table (sewing head with motor only) and machines for export are packaged. Transport within the customer’s premises The manufacturer bears no liability for transport within the customer’s premises. -
Page 15: Explanation Of The Symbols
Explanation of the symbols Explanation of the symbols In the following section of this Instruction Manual, certain tasks or important pieces of information are accentuated by symbols. The symbols used have the following meanings: Note, information Cleaning, care Lubrication, greasing Servicing, repairing, adjustment, maintenance (only to be carried out by specialist personnel) 6 - 1... -
Page 16: Controls
Controls Controls On/off switch Turn the machine on/off by turning On/Off switch 1. Fig. 7 - 01 Keys on the machine head Different functions are triggered by pressing the different keys. Key 1: reverse sewing Key 2: sews one stitch with half stitch length. -
Page 17: Pedal
Controls Pedal Different functions are triggered by different pedal positions. Machine stop Raise roller-presser Trim thread and raise roller presser Other pedal functions can also be programmed (see chapter 11 Programming) Fig. 7 - 03 Knee switch By activating the knee switch 1 the end of the seam segment can be signalized during programmed sewing. -
Page 18: Knee Lever
Controls Knee lever The roller presser is raised by pressing the knee lever 1 in the direction of the arrow. Fig. 7 - 05 Lever for lifting the roller presser The roller presser is raised by turning lever 1. Fig. 7 - 06 7 - 3... -
Page 19: Control Panel
Controls Control panel The control panel consists of the display and two key panels. Clear Enter Fig. 7 - 07 Display .07.01 In the basic screen the messages in the display are divided into three sections: Status bar The status bar is in the upper section of the display. Here, up to 5 pictograms with the corresponding values can be displayed (e.g. -
Page 20: Operation-Mode Keys
Controls Operation-mode keys .07.02 There are two operation modes. The selected mode can be seen by the light emitting diode in the respective key. SEWING mode INPUT mode Function keys .07.03 Arrow keys (right/left) - Change menu bars. - for positioning the cursor when entering several values in one line Plus/Minus keys - for raising and lowering input values Esc key... -
Page 21: Mounting And Commissioning The Machine
Mounting and commissioning the machine Mounting and commissioning the machine The machine must only be mounted and commissioned by qualified personnel! All relevant safety regulations are to be observed! If the machine is delivered without a table, it must be ensured that the frame and the table top which you intend to use can hold the weight of the machine and the motor, even while sewing. -
Page 22: Fitting The Tilt Lock
Mounting and commissioning the machine Fitting the tilt lock .01.02 Screw on tilt lock parts 1 and 2, provided in the accessories, using screws 3 and 4. Fig. 8 - 02 Adjusting the V-belt tension .01.03 Loosen nuts 1. Tighten the V-belt with belt take-up hanger 2. -
Page 23: Mounting The Upper V-Belt Guard
Mounting and commissioning the machine Mounting the upper V-belt guard .01.04 Screw position stop 1 onto the right half of V-belt guard 2. Attach both halves 2 and 3 of the belt- guard with screws 4. Fig. 8 - 04 Mounting the lower V-belt guard .01.05 Align belt-guard 1 in such a way that... -
Page 24: Mounting The Synchronizer
Mounting and commissioning the machine Mounting the synchronizer .01.06 Slide synchronizer 1 onto the shaft. Tighten screws 2 slightly. Plug the synchronizer plug into the electrical socket of the control box. Adjust the synchronizer (see chapter 13.04.01 Adjusting the synchronizer). Fig. -
Page 25: Commissioning The Machine
Mounting and commissioning the machine Commissioning the machine Before commissioning the machine, check the electrical leads for any damage. Clean the machine thoroughly and oil it / fill with oil (see chapter 12 Care and maintenance). Have specialists ensure that the machine's motor can be operated with the available electricity supply and that it is connected correctly to the terminal box. -
Page 26: Preparation
On/Off switch! Inserting the needle Turn the machine off! PFAFF 421E1: Only use needles of system 134. PFAFF 1421E1: Only use needles of system 134-35. Raise roller presser 1. -
Page 27: Winding The Bobbin Thread, Adjusting The Thread Pre-Tension
Preparation Winding the bobbin thread, adjusting the thread tension Fig. 9 - 02 Place an empty bobbin 1 onto bobbin winder spindle 2. Thread the bobbin in accordance with Fig. 9 - 02 and wind it clockwise around bobbin 1 a few times. -
Page 28: Removing / Inserting The Bobbin Case
Preparation Removing / Inserting the bobbin case Turn the machine off! Removing the bobbin case: Open the bed plate slide. Raise latch 1 and remove bobbin case 2. Inserting the bobbin case: Insert bobbin case 2. Close the latch 1 and close the bed plate slide. -
Page 29: Threading The Needle Thread / Adjusting The Needle Thread Tension
Preparation Threading the needle thread / Adjusting the needle thread tension Fig. 9 - 05 Turn the machine off! Thread the machine as shown in Fig. 9 - 05. Adjust the needle thread tension by turning knurled screw 1. 9 - 4... -
Page 30: Adjusting The Stitch Length
Preparation Adjusting the stitch length Turn the machine on! Clear Enter 1 2 3 4 5 6 7 Fig. 9 - 06 If the display shown in Fig. 9-06 does not appear: Select the function select program. Enter program number 0. Enter Confirm with the Enter key. -
Page 31: Selecting A Language
Preparation Selecting a language Turn the machine on. Select INPUT mode. Clear Enter 1 2 3 4 5 6 7 Fig. 9 - 08 Select the function input menu with number key 0. Select the function SWITCH FUNCTIONS with number key 1. Select the function LANGUAGES with number key 3. -
Page 32: Sewing
Sewing Sewing Manual sewing Turn the machine on. Clear Enter 1 2 3 4 5 6 7 Fig. 10 - 01 If the display shown in Fig. 10-01 does not appear: Select the function select program. Enter program number 0. Confirm the input with the Enter key. -
Page 33: Sewing With The Fixed Programs
Sewing End bartack - When pressed once the single end-bartack is switched on. - When pressed again a double end-bartack is switched on. - Activating a third time switches the end bartack back off again. Stitch length This function opens a direct menu for inputting the desired values for the stitch lengths. Sewing with the fixed programs Fixed programs are stored at program numbers 1 and 2. - Page 34 Sewing Clear Enter 1 2 3 4 5 6 7 Fig. 10 - 03 Explanation of the functions in the display: Program interruption This function interrupts the sewing of the seam program. See chapter 10.05 Program interruption. Needle up By activating this function, the machine runs until the needle is at its top position when stopping (without thread trimming).
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Page 35: Programmed Sewing
Sewing Programmed sewing Pre-programmed seams can be selected with the program numbers 3 - 99. Turn the machine on. Clear Enter 1 2 3 4 5 6 7 Fig. 10 - 04 Select the function select program. Enter the desired program number from 3 to 99. Enter Confirm this entry with the Enter key. -
Page 36: Decorative Seams
Sewing Only on the PFAFF 1421E1 with Doku-seam system: Clear Enter 1 2 3 4 5 6 7 Fig. 10 - 06 Doku-seam section If the selected program contains seam monitoring, indication of whether the seam complies with requirements is given at the end of the seam segment. -
Page 37: Error Messages
Sewing Error messages In the case of an error message, the text and pictogram bars in the display are written over. An error message is triggered by false settings, false elements or seam programs or by overload. ERROR 3 - PROGRAM NUMBER INVALID PROGRAM NUMBER Clear Fig. -
Page 38: Programming
Number of seam sections The total number of seam sections contained in the current seam program is displayed behind this symbol. Only on the PFAFF 1421E1 with Doku-seam system: Doku-seam section The assesment of the seam is made after this symbol. -
Page 39: Symbols In The Text And Graphic Fields
Programming Symbols in the text and graphic fields Corresponding to the input status, a stylized seam section with the functions of the seam section end is shown in the middle of the display. ↓ Clear Enter 1 2 3 4 5 6 7 Fig. -
Page 40: Symbols In The Pictogram Bar
Programming Symbols in the pictogram bar In this control concept, the functions are selected exclusively using the number keys. The selectable functions are displayed as symbols in the pictogram bar of the display. You select the function by pressing the number key which is underneath it. Initial state INPUT mode: Clear Enter... -
Page 41: Summary Of The Functions In Sewing Mode
Programming Summary of the functions in SEWING mode SEWING mode program selection Selection of manual SEWING program selection needle up thread trimming needle position roller presser up after stop roller presser down after trimming bartack suppression start bartack end bartack stitch length Selection of programmed SEWING program interruption (switch to manual SEWING) -
Page 42: Summary Of The Functions In Input Mode
Sensor thread trimming roller presser up after stop stop needle position Doku-seam section (only on the PFAFF 1421E1 with Doku-seam system) program end see chapter 11.06 Teach In see chapter 11.07 Program administration see chapter 11.08 Input menu... -
Page 43: Summary Of The Functions In Teach In
Programming Summary of the functions in Teach In Teach In input program number input comment stitch length bartack menu double start-bartack 1 - START-BARTACK PEDAL-DEPENDENT 2 - SPEED 3 - STITCHES FORWARDS 4 - STITCHES REVERSE start bartack 1 - START-BARTACK PEDAL-DEPENDENT 2 - SPEED 4 - STITCHES REVERSE double end-bartack... -
Page 44: Summary Of The Functions In Program Administration
Programming Summary of the functions in program administration Program administration 1 - PROGRAM INDEX 1 - MEMORY INDEX 2 - DISK INDEX 2 - READ PROGRAM FROM DISK 1 - READ ONE PROGRAM (DISK) 2 - READ ALL PROGRAMS (DISK) 1 - DELETE ONE PROGRAM (MEMORY) 3 - DELETE PROGRAM 2 - DELETE ALL PROGRAMS (MEMORY) -
Page 45: Summary Of The Service Functions
Programming Summary of the service functions 1 - ONE FEED 5 - SERVICE 1 - STEPPING MOTORS 1 - ALL 2 - CONTINUOUS FEED 1 - ONE FEED 2 - ROLLER PRESSER 2 - CONTINUOUS FEED 3 - FEED WHEEL 1 - ONE FEED 2 - CONTINUOUS FEED 1 - ONE FEED... -
Page 46: Selection Of Functions From Menu Levels
Programming Selection of functions from menu levels Select INPUT mode Clear Enter 1 2 3 4 5 6 7 Fig. 11 - 04 Select the input menu function (the first menu level appears in the display). 1 - SWITCH FUNCTIONS 2 - BARTACK (S) .. - Page 47 Programming INPUT mode Function input menu 1 - SWITCH FUNCTIONS ... 2 - BARTACK (S) ... 3 - COUNTER (S) ... 4 - SPEEDS ... 5 - SERVICE 1 - STEPPING MOTORS ... 2 - SEWING MOTOR 1 - ADJUST SYNCHRONIZER 3 - COLD START 4 - SOFTWARE VERSION 5 - STITCH WITH HANDWHEEL...
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Page 48: Creating Seam Programs
Programming Creating seam programs Altering fixed programs .11.01 Select INPUT mode. The initial INPUT display appears: Clear 1 2 3 4 5 6 7 Enter Fig. 11 - 09 Select function Programming. The menu for inputting the program number appears: PROGRAM NUMBER : Clear [PERMISSIBLE 1 - 99 ]... - Page 49 Programming Programming .11.02 Select INPUT mode. The initial INPUT display appears: Clear Enter 1 2 3 4 5 6 7 Fig. 11 - 12 Select function Programming. The menu for inputting the program number appears: PROGRAM NUMBER : Clear [ PERMISSIBLE 1 - 99 ] 1 2 3 4 5 6 7 Enter Fig.
- Page 50 Programming Clear 1 2 3 4 5 6 7 Enter Fig. 11 - 15 Explanation of the symbols in the display: Insert This function inserts a seam section into the current seam program. The current seam section is pushed back one position. Delete This function deletes the current seam section.
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Page 51: Teach In
Programming Teach In .11.03 In this function the machine can „learn“ a seam program while sewing. Select INPUT mode. The basic INPUT screen appears: Clear Enter 1 2 3 4 5 6 7 Fig. 11 - 16 Select the Teach In function. The menu for inputting the program number appears. PROGRAM NUMBER : Clear [ PERMISSIBLE 1 - 99 ]... - Page 52 Programming Clear Enter 1 2 3 4 5 6 7 Fig. 11 - 19 Explanation of the symbols in the display: Stitch length This function opens a direct menu for inputting the desired values for the stitch length. Bartack menu This function opens a direct menu for inputting bartack functions.
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Page 53: Bartack Menu
Programming Bartack menu In INPUT mode, values for start and end bartacks can be entered in this function after the programming function has been activated. Select the bartack menu function. Clear 1 2 3 4 5 6 7 Enter Fig. 11 - 21 Double start-bartack - Pressing this key once turns the function on or off. - Page 54 Programming Placed-stitch menu In the INPUT mode the placed stitch can be set after the function Programming has been enabled. Select the placed-stitch function. 1 - PLACED STITCH [ OFF ] 2 - PLACED-STITCH POSITION Clear Enter 1 2 3 4 5 6 7 Fig.
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Page 55: Seam Section End
Programming Seam section end If certain functions are to be carried out automatically at the end of a seam section, these functions can be entered into a menu. In Teach In mode, the menu for inputting appears automatically after the first machine standstill. -
Page 56: Programming Examples
Programming Doku-seam section, only on the PFAFF 1421E1 with Doku-seam system When this function is enabled the current section is monitored/dokumented by the Doku- seam system. Needle position When this function is active, the needle travels to its top position at the seam section end. - Page 57 Programming COMMENT: Clear A B C D E F G H Enter 1 2 3 4 5 6 7 Fig. 11 - 28 Press the arrow key pointing to the right. COMMENT: Clear K L M N O P Q R S T Enter 1 2 3 4 5 6 7 Fig.
- Page 58 Programming Double click (press twice in rapid succession) on the function double start-bartack to open the start bartack menu for double bartacks (number key 1). 1 - START BARTACK PEDAL-DEPENDENT [ OFF ] 2 - SPEED 1500 3 - STITCHES FORWARDS Clear 4 - STITCHES REVERSE Enter...
- Page 59 Programming Clear Enter 1 2 3 4 5 6 7 Fig. 11 - 31 The double start-bartack function still has to be activated (number key 1). After the number key has been pressed, the symbol is displayed on a dark background. Enter Close the bartack menu function with the Enter key.
- Page 60 Programming Select the seam section end function (number key 9). NO. OF STITCHES 0 Clear Enter 1 2 3 4 5 6 7 Fig. 11 - 38 The stitch counter function is already on (dark background). By activating the function (number key 1) the menu for inputting the number of stitches is opened.
- Page 61 Programming Program the second seam section: In this seam section the - stitch length should be 5.0 mm - and a stitch count should be carried out (1 stitch). NO. OF STITCHES 0 Clear Enter 1 2 3 4 5 6 7 Fig.
- Page 62 Programming NO. OF STITCHES: 0 STITCHES Clear [ PERMISSIBLE: 1 - 99 ] 1 2 3 4 5 6 7 Enter Fig. 11 - 45 Enter the desired number of stitches. Enter Confirm this number of stitches with the Enter key. NO.
- Page 63 Programming NO. OF STITCHES 1 Clear 1 2 3 4 5 6 7 Enter Fig. 11 - 48 Switch on the reverse sewing function (number key 6). NO. OF STITCHES 0 Clear Enter 1 2 3 4 5 6 7 Fig.
- Page 64 Programming Program the fifth (last) seam section: The seam section should have - a double end-bartack (1 stitch forwards and reverse), - stitch counting (5 stitches), - a stitch length (for roller presser and feed wheel) of 2.5 mm - and trim the thread at the end of the seam section. NO.
- Page 65 Programming NO. OF STITCHES 1 Clear 1 2 3 4 5 6 7 Enter Fig. 11 - 53 Select the stitch length function (number key 4). Enter the value for the stitch length. Enter Confirm this entry by pressing the Enter key. Select the seam section end function (number key 9).
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Page 66: Example For Programming A Decorative Seam
Programming Example for programming a decorative seam .15.02 The decorative seam to be sewn should have: - four seam sections - and be saved with the comment „Deco 1“ - at program number 6 Select INPUT mode. Select the programming function. Enter the program number. - Page 67 Programming NO. OF STITCHES 0 Clear Enter 1 2 3 4 5 6 7 Fig. 11 - 58 If this function is not active, switch on the stitch counter (number key 1). Select the stitch counter function again to open the input menu. Enter the number of stitches (e.
- Page 68 Programming Enter Confirm the entry with the Enter key. Select the seam section end function (number key 9). If not active, switch the stitch counter on (number key 1). Select the stitch counter function again to open the input menu. Enter the number of stitches.
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Page 69: Example Of Teach In Programming
Programming Program the fourth (last) seam section: This seam section should have - stitch counting (1 stitch) - and a stitch length of 3.5 mm. Select the seam section end function (number key 9). Select the stitch counter function to open the input menu. Enter the number of stitches. - Page 70 Programming Select INPUT mode. Select the Teach In function (number key 5). Enter the program number. Enter Confirm with the Enter key. Enter comment. Enter Confirm with the Enter key. Clear Enter 1 2 3 4 5 6 7 Fig. 11 - 61 Input the first seam section: This seam section should have - the knee switch function (seam section end)
- Page 71 Programming Clear Enter 1 2 3 4 5 6 7 Fig. 11 - 63 Switch on the knee switch function (number key 3). Activate the knee switch. Enter Confirm the seam section end by pressing the Enter key. NO. OF STICHTES 2 Clear Enter 1 2 3 4 5 6 7...
- Page 72 Programming Select the stitch length function (number key 1). Enter the stitch length. Enter Confirm with the Enter key. Sew the second seam section manually. Switch on the pedal function (number key 2). Bring the pedal backwards into the 2nd position. The roller presser up after stop function is activated automatically.
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Page 73: Care And Maintenance
Care and maintenance Care and maintenance Clean .............. daily, more often if in continuous operation Oil level (hook oil reservoir) ..............daily before use Lubricate the bevel gears ..................annually Clean the air filter ..................once a week These maintenance intervals are calculated for the average running time of a single shift operation. -
Page 74: Filling The Oil Reservoir
Use both hands to return the machine to an upright position. Danger of crushing between machine head and table top. We recommend PFAFF hard soap grease with a drop point of approx. 150°C Part no. 280-1-120 243. 12 - 2... -
Page 75: Cleaning The Air Filter On The Control Box
Care and maintenance Cleaning the air filter on the control box Turn the machine off! The filter grate 1 must be cleaned at least once a week, or more depending on the cleanliness of the air. Dust which collects on the filter grate 1 is to be removed with a brush. -
Page 76: Adjustment
Adjustment Adjustment On the PFAFF 421E1 and the PFAFF 1421E1 do not use a screw clamp on the needle bar, because this will damage the special coating of the needle bar. Notes on adjusting All adjustments in these adjustment instructions are based on a completely installed machine and must only be carried out by appropriately trained specialists. -
Page 77: Adjusting The Basic Machine
Adjustment Adjusting the basic machine Adjusting the synchronizer .04.01 Requirement When the point of the needle descending in sewing direction is at the top edge of the needle plate the reference point must be at “0”. REFERENCE Clear - 180 - 90 + 90 + 180... - Page 78 Adjustment REFERENCE Clear - 180 - 90 + 90 + 180 Enter 1 2 3 4 5 6 7 Fig. 13 - 01 Select the SEWING MOTOR function. Select the ADJUST SYNCHRONIZER function. Turn the balance wheel in sewing direction until the point of the descending needle is at the top edge of the needle plate.
- Page 79 Adjustment Setting the machine configuration 04.02 Requirement The configuration must correspond with the existing machine and its fitted work aids (see table). Switch on the machine. Select INPUT mode on the control panel by pressing the key accordingly. Select input menu (number key 0). Select SERVICE.
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Page 80: Positioning The Needle In The Direction Of Sewing
Adjustment Positioning the needle in the direction of sewing 04.03 Requirement With the stitch length set at " 5 ", the needle must be the same distance from the inner edges of the needle hole in both its front and rear points of reversal. Fig. -
Page 81: Positioning The Needle Across The Direction Of Sewing
Adjustment Positioning the needle across the direction of sewing 04.04 Requirement The needle must enter the middle of the needle hole as viewed across the direction of sewing. Fig. 13 - 03 Move needle bar frame 1 (screws 2 and 4 and nut 3) in accordance with the requirement. -
Page 82: Limiting The Needle Bar Frame
Adjustment Limiting the needle bar frame 04.05 Requirement With the stitch length set at " 5 ", screw 4 must be the same distance from the inner edge of the mounting hole when the needle is at both the front and rear points of reversal. Fig. -
Page 83: Preadjusting The Needle Height
Adjustment Preadjusting the needle height 04.06 Requirement With the needle bar at TDC there must be approx. 22 mm between the point of the needle and the needle plate. 22 mm Fig. 13 - 05 Move the needle bar 1 (screw 2) in accordance with the requirement without turning it. 13 - 8... -
Page 84: Hook-To-Needle Clearance, Needle Rise, Needle Height And Needle Guard
Adjustment Hook-to-needle clearance, needle rise, needle height and needle guard 04.07 Requirements With the needle at 1.8 after BDC and with the stitch length at " 0.8 " 1. the hook point must point to the middle of the needle and be 0.05 to 0.1 mm from the needle, 2. - Page 85 Adjustment Loosen screws 5. Bring the needle bar to 1.8 after BDC. Place the adjustment pin (Part no. 61-111 641-39) into hole 6 and place under pressure. Position the hook point at the middle of the needle and tighten screws 5. Set the needle height in accordance with requirement 2.
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Page 86: Balancing Weight
Adjustment Balancing weight .04.08 Requirement With the needle bar at TDC, the largest eccentricity of the balancing weight 1 must be facing downwards. Fig. 13 - 07 Bring the needle bar to TDC. Turn the balancing weight 1 in accordance with the requirement. Tighten screws 2. -
Page 87: Bobbin-Case-Opener Eccentric And Retaining Lug
Adjustment Bobbin-case-opener eccentric and retaining lug .04.09 Requirements 1. With the needle bar at BDC the bobbin case opener 5 must be at its rear point of reversal. 2. The front edges of retaining spring 3 and retaining lug 6 must be flush. Fig. -
Page 88: Bobbin Case Opener Position
Adjustment Bobbin case opener position 04.10 Requirements 1. The top edges of bobbin case opener 2 and bobbin case lug 5 must be at the same height. 2. When the bobbin case 2 is at its rear point of reversal, the bobbin case carrier 3 and the stop spring 4 must be the width of one thread apart. -
Page 89: Feed Wheel
Adjustment Feed wheel 04.11 Requirement The feed wheel 1 must 1. protrude above the needle plate by the height of the teeth (approx. 0.8 mm) and 2. be in the middle of the needle plate cutout. Fig. 13 - 10 Adjust the height of the feed wheel 1 by turning screw 2 in accordance with requirement 1. -
Page 90: Clearance Between Roller Presser And Feed Wheel
Adjustment Clearance between roller presser and feed wheel 04.12 Requirement With lever 1 raised the clearance between the roller presser and the feed wheel must be 7 mm. Fig. 13 - 11 Raise lever 1. Move bar 2 (screws 3) in accordance with the requirement. Take care to ensure that the roller presser is parallel to the feed wheel. -
Page 91: Roller Presser
Adjustment Roller presser 04.13 Requirements When the roller presser 1 is resting on the feed wheel 5 it must 1. be parallel to the feed wheel 5 when viewed in the direction of sewing, 2. be in the middle of the needle when viewed in the direction of sewing and 3. -
Page 92: Automatic Presser-Foot Lifter
Adjustment Automatic presser-foot lifter 04.14 Requirement When solenoid 1 is activated, lever 3 for the roller presser must drop automatically. Fig. 13 - 13 Move solenoid 1 (screws 2) in accordance with the requirement. Turn the machine on and check the requirement. Turn the machine off. -
Page 93: Knee Lever
Adjustment Knee lever 04.15 Requirements 1. The knee lever must exhibit a little play before the roller presser is raised. 2. The lever for the roller presser must drop automatically when the knee lever is pressed as far as it will go. 3. -
Page 94: Tension Release
Adjustment Tension release 04.16 Requirement With lever 1 raised or the automatic presser foot lifter activated, both tension discs 6 must be at least 0.5 mm apart. Fig. 13 - 15 Raise the roller presser using lever 1. Adjust screw 2 (nut 3) in accordance with the requirement. Raise the roller presser using the automatic presser foot lifter or the knee lever. -
Page 95: Thread Check Spring
Adjustment Thread check spring 04.17 Requirements 1. The motion of the thread check spring 7 must be finished when the needle point enters the material (spring stroke approx. 7 mm). 2. When the thread loop is at its largest when going around the hook, the thread check spring must raise slightly from the workpiece rack 1. -
Page 96: Bobbin Winder
Adjustment Bobbin winder .04.18 Requirements 1. With the bobbin winder on, the bobbin winder spindle must engage reliably. With the bobbin winder off, the friction wheel 5 must not engage the drive wheel 1. 2. The bobbin winder must turn off automatically when the thread level is approx. 1 mm from the edge of the bobbin. -
Page 97: Roller Presser Pressure
Adjustment Roller presser pressure 04.19 Requirements 1. The material must be fed reliably. 2. There must not be any pressure marks on the material. Fig. 13 - 18 Adjust the roller presser pressure with screw 1 in accordance with the requirements. Screw 1 is underneath a cover. -
Page 98: Adjusting The Thread Trimmer -900/61
Adjustment Adjusting the thread trimmer -900/61 Preadjusting the control cam .05.01 Requirements 1. With the needle bar at BDC, the recess 3 must be pointing downwards vertically. 2. The control cam 1 must be touching the retaining collar 4 on the left. Fig. -
Page 99: Roller Lever
Adjustment Roller lever .05.02 Requirements 1. With the roller lever 6 in resting position and the needle bar at TDC, there must be a clearance of 0.3 mm between roller 7 and control cam 8. 2. When the thread trimmer is on and the needle bar is at BDC, roller 7 must be in the middle of the recess in control cam 8. -
Page 100: Engaging Solenoid
Adjustment Engaging solenoid .05.03 Requirement With the roller lever 4 engaged and the engaging solenoid activated, there must be a clearance of approx. 1 mm between latch 1 and roller lever 4. Fig. 13 - 21 Disengage latch 1 and push the engaging solenoid up as far as possible. Move the solenoid housing 2 (screw 3) in accordance with the requirement. -
Page 101: Actuating Lever
Adjustment Actuating lever .05.04 Requirement With the thread trimmer in resting position, the right hand side of the actuating lever 3 must be flush with the right side of control cam 4. Fig. 13 - 22 Loosen screws 1 and 2. Move the actuating lever 3 in accordance with the requirement. -
Page 102: Connecting Rod
Adjustment Connecting rod .05.05 Requirement The distance between the centers of the two ball joints of the connecting rod 1 must be 100 mm. 100 mm Fig. 13 - 23 Turn connecting rod 1 (nuts 2 and 3, right and left handed threads) in accordance with the requirement. -
Page 103: Thread-Catcher Height
Adjustment Thread-catcher height .05.06 Requirement The bottom edge of the thread catcher 3 must be 0.8 mm above the bobbin case 4. Fig. 13 - 24 Loosen screws 1 and 2. Position thread catcher 3 over the middle of the bobbin case 4. Move the thread catcher 3 (screw 5) in accordance with the requirement. -
Page 104: Thread-Catcher Position
Adjustment Thread-catcher position .05.07 Requirement With the thread trimmer in resting position, the edges of the thread catcher 1 and knife 6 must be flush (see arrow). Fig. 13 - 25 Position the thread trimmer in resting position. Turn the thread catcher 1 in accordance with the requirement. Bring crank 2 to rest against the bearing case 3 and tighten screw 4, taking care to ensure that the shaft 5 exhibits neither vertical play nor binding. -
Page 105: Knife Pressure
Adjustment Knife pressure .05.08 Requirement When the point of the thread catcher 2 is 4 mm from the front edge of the knife 3, the knife 3 must be lightly touching the thread catcher 2. 4 mm Fig. 13 - 26 Disengage latch 1. -
Page 106: Bobbin-Thread Clamp Spring
Adjustment Bobbin-thread clamp spring .05.09 Requirements The clamp spring 1 must 1. not be pressed back during the thread catcher motion, 2. reliably clamp the bobbin thread after trimming and 3. not hinder the removal and insertion of the bobbin case. Fig. -
Page 107: Control Cam Final Adjustment
Adjustment Control cam final adjustment .05.10 Requirement The cutting process must be just completed when the take-up lever is at TDC. Fig. 13 - 28 Disengage the latch and bring the take-up lever to TDC. Turn the control cam 1 (screws 2) in accordance with the requirement while ensuring that the control cam 1 is touching the retaining collar 3. -
Page 108: Manual Cutting Test
Adjustment Manual cutting test .05.11 Requirements 1. The thread catcher 2 must not push the bobbin thread in front of it during its forwards movement. 2. At the front point of reversal of the thread catcher 2, the bobbin thread must be approx. -
Page 109: Tension Release (During Trimming Process)
Adjustment Tension release (during trimming process) .05.12 Requirement With the solenoid 1 activated, the tension disks 3 must be at least 0.5 mm apart. Fig. 13 - 30 Activate solenoid 1. Move solenoid 1 (screws 2) in accordance with the requirement. The timing of the tension release can be adjusted via the service functions (see chapter 11.09 Summary of the service functions) and chapter 13.06 Parameter adjustments). -
Page 110: Stop Positions
Adjustment Stop positions .05.13 Requirement The machine must 1. be 4 mm before the BDC of the needle bar when sewing is interrupted and 2. position itself at the TDC of the needle bar after thread trimming. Turn the machine off. Select INPUT mode. -
Page 111: Parameter Adjustments
Adjustment Parameter adjustments Adjusting positions .06.01 Turn the machine on and sew one stitch. Select INPUT mode. Select the input menu function (number key 0). Select the SERVICE function. Select the SEWING MOTOR function. Select the ADJUST POSITIONS function. (the current parameter settings are shown in the display.) 1 - POSITION DOWN 2 - POSITION UP 3 - CUTTING MAGNET POSITION... -
Page 112: Adjusting The Counter
Adjustment Adjusting the counter .06.02 Turn the machine on. Select INPUT mode. Select the input menu function (number key 0). Select the COUNTER function. 1 - START DELAY AFTER ROLLER PRESSER LOWER 0.15 2 - ROLLER PRESSER LIFT DELAY 0.02 3 - SOFT START STITCHES Clear Enter... - Page 113 Notice...
- Page 114 G.M. PFAFF KAISERSLAUTERN I N D U ST R I E M A S C H I N E N Postfach 3020 D-67653 Kaiserslautern Königstr. 154 D-67655 Kaiserslautern Telefon: (0631) 200-0 Telefax: (0631) 17202 E-Mail: info@pfaff-industrial.com Gedruckt in der BRD Printed in Germany Imprimé...