Related Manuals for Pfaff Industrial 937
Summary of Contents for Pfaff Industrial 937
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Page 1: Instruction Manual
INSTRUCTION MANUAL This instruction manual applies to machines from the following serial numbers onwards: # 8 300 001 296-12-19 339/002 Instruction Manual engl. 10.16... - Page 2 This instruction manual applies to all models and subclasses listed in chapter 3 Technical Data. The adjustment manual for the machine can be downloaded at no charge under www.pfaff-industrial.de/de/service-support/downloads/technical. As an alternative to the Internet download, the adjustment manual can also be ordered under order no.
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Page 3: Table Of Contents
Danger warnings ........................8 Proper Use ..........................9 Technical Data ........................ 10 PFAFF 937 ..........................10 Disposal of the Machine .....................11 Transport, Packaging and Storage ..................12 Transport to the customer’s premises ................. 12 Transport within the customer’s premises ................12 Disposal of the packaging materials .................. - Page 4 Removing / inserting the bobbin case .................. 30 Inserting the bobbin case / adjusting the bobbin thread tension ......... 30 .04.01 PFAFF 937 without thread trimmer ..................30 .04.02 PFAFF 937 with thread trimmer ................... 31 Threading the needle thread / adjusting the needle thread tension ........32 Setting the zigzag stitch and needle position ...............
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Page 5: Safety
Safety Safety Directives The machine was built in compliance with the regulations specified in the EC declaration of conformity and declaration of incorporation. As a supplement to this instruction manual, please also observe the generally applicable, legal and other regulations and legislation – also in the country of use – and the valid environmental protection regulations! Always comply with the locally applicable regulations of the professional associations and other supervisory authorities! General safety instructions... -
Page 6: Safety Symbols
Safety Safety symbols Hazard point! Special points of attention. Risk of injury to operating personnel or technical staff! Caution! Do not operate without finger guard and safety covers! Turn off the main switch before threading, changing the bobbin or needle, cleaning, etc.! Special points of attention for the owner-operator O This instruction manual is a part of the machine and must be made available to the operating personnel at all times. -
Page 7: Operating Personnel And Technical Staff
Safety Operating personnel and technical staff Operating personnel .05.01 Operating personnel are persons responsible for equipping, operating and cleaning the machine and for fault clearance in the sewing area. The operating personnel are obligated to comply with the following points: O The safety instructions provided in the instruction manual must be followed for all work! O Any work method jeopardising machine safety must be refrained from! O Tight-fitting clothing must be worn. -
Page 8: Danger Warnings
Safety Danger warnings A work area of 1 m must be kept free in front of and behind the machine to en- sure unobstructed access at all times. Do not reach into the needle range during the sewing operation! Risk of injury from the needle! Do not allow any objects to be placed on the table during the adjustment work! The objects could become jammed or be slung away! Risk of injury from parts flying around! -
Page 9: Proper Use
Proper Use Proper Use The PFAFF 937 is a high-speed zigzag seamer with a drop feed and variable top feed. The machine is used for sewing lockstitch zigzag seams in the clothing and underwear industries. Any usage not approved by the manufacturer is deemed misuse! The... -
Page 10: Technical Data
Length: ......................approx. 550 mm Width: ......................approx. 180 mm Height (above table): ..................approx. 300 mm Bed plate dimensions: ..................476 x 177 mm Max. stitch length PFAFF 937-6/61: ......................4.5 mm PFAFF 937-32/23 N24: ......................Ê Max. zigzag stitch width ....................6.0 mm Max. speed/min : ......................5000... -
Page 11: Disposal Of The Machine
Disposal of the Machine Disposal of the Machine O It is up to the customer to dispose of the machine properly. O The materials used for the machine include steel, aluminium, brass and various plastics. The electrical equipment consists of plastics and copper. O The machine must be disposed of in accordance with the locally valid environmental protection regulations, with a specialised company being contracted if necessary. -
Page 12: Transport, Packaging And Storage
Transport, Packaging and Storage Transport, Packaging and Storage Transport to the customer’s premises All machines are completely packed for delivery. Transport within the customer’s premises The manufacturer assumes no liability for transport within the customer’s premises or to the individual usage sites. Please ensure that the machines are only transported in a vertical position. -
Page 13: Work Symbols
Work Symbols Work Symbols Activities to be performed or important information in this instruction manual are emphasised by symbols. The symbols used have the following meaning: Note, information Cleaning, care Lubrication Maintenance, repairs, adjustment, service work (only to be carried out by technical staff) -
Page 14: Operating Controls
Operating Controls Operating Controls Main switch Before switching on the ma- chine, raise the take-up lever as far as possible. O Turning the main switch 1 switches the machine on and off. Fig. 7 - 01 Keys on the machine head (only in machines with a flange motor) O The machine sews backwards if the key 1 is pressed during the sewing operation. -
Page 15: Adjusting Levers For Zigzag Stitch And Needle Position
Operating Controls Adjusting levers for zigzag stitch and needle position O The adjusting lever 1 is used to adjust the zigzag stitch width. O The locking lever 2 must be pressed against the adjusting lever 1 to adjust the adjusting lever. The set zigzag stitch width is shown on the scale 3. -
Page 16: Stitch Length Adjusting Wheel
Operating Controls Stitch length adjusting wheel PFAFF 937 with -918/14 PFAFF 937 Fig. 7 - 05a Fig. 7 - 05b O The stitch length can be set by turning the stitch length adjusting wheel 1. O The stitch length setting is shown on the scale 2. -
Page 17: Adjusting Lever For The Top Feed (Only In Machines With -918/14)
Operating Controls Adjusting lever for the top feed (only in machines with -918/14) O Lever 1 (standard value) Use the lever 1 to set the value at which the machine should mainly work. O Lever 2 (fullness) A value that differs from the first setting can be set on the lever 2. -
Page 18: Pedal
Operating Controls Pedal O With the main switch turned on Neutral position Lower the sewing foot (in machines with automatic presser foot lift) Sewing Raise the sewing foot (in machines with automatic presser foot lift) Trim the thread +3 and +2 Access the second feed motion value in machines without -918/14... -
Page 19: Set-Up And Initial Start-Up
Set-up and Initial Start-up Set-up and Initial Start-up The machine may only be set up and started up by qualified personnel! All of the relevant safety regulations must always be complied with in this process! If the machine was delivered without a table, then the stand and the table top provided must safely support the weight of the machine and its motor. -
Page 20: Inserting The Sewing Machine Into The Stand
Set-up and Initial Start-up Inserting the sewing machine into the stand .01.02 Fig. 8 - 02 O The hinge 1 is screwed to the sewing head base plate. O Insert the sewing machine into the table top. O Insert the sewing head support 2 into the table top hole. Do not operate the machine without the support 2! Risk of damage due to the top-heavy sewing head! Machine can tip over backwards when moving it! -
Page 21: Assembling The Flange Motor
Set-up and Initial Start-up Assembling the flange motor .01.03 Fig. 8 - 03 O Loosen the screws 1 and pull the toothed belt wheel 2 off the motor shaft 3. O Screw the bearing plate 4 onto the motor 5 with the screws 6, as shown in Fig. 8-04. O Slide the toothed belt wheel 2 onto the motor shaft 3 and tighten with the screws 1. -
Page 22: Mounting The Machine Cover
Set-up and Initial Start-up Mounting the machine cover .01.05 O Slide the left and right belt guard halves with their slots behind the heads of the screws 1 and 2. O Screw the screw 3 with the spacing bush 4 into the threaded hole 5. O Align the belt guard making sure that the lug 6 is behind the slot 7 and in front of the spacing bush 4. -
Page 23: Mounting The Start Inhibitor
Set-up and Initial Start-up Mounting the start inhibitor .01.07 Fig. 8 - 07 O For machines delivered without a table, the plate 1 included in the accessories must be mounted underneath the table top in such a way that the switching plate 2 lays on the plate 1 when the sewing head is tilted upright. -
Page 24: Connecting The Plug-In Connections And Ground Cable
Set-up and Initial Start-up Connecting the plug-in connections and ground cable Fig. 8 - 08 O Insert all plugs on the control box 2 in accordance with their designation. O Insert the "motor" into the bushing E and the bushing M. Caution Inserting the plug incorrectly can damage the control unit! O Attach the following ground cables in order to discharge static electricity... -
Page 25: Assembling The Reel Stand
Set-up and Initial Start-up Assembling the reel stand O Assemble the reel stand as shown in the adjacent illustration. O Then insert the stand into the hole in the table top and secure it with the enclosed nuts. Fig. 8 -09... -
Page 26: Initial Start-Up
Set-up and Initial Start-up Initial start-up Fig. 8 - 10 Fig. 8 - 11 O Remove the plug 1 of the oil reservoir 2 before the initial start-up. O Remove the screw 3 (Fig. 8 -11) before the initial start-up and fill up the oil to the mark (sight glass on the front of the machine), see chapter 10.04 Oiling the zigzag drive. -
Page 27: Switching The Machine On / Off
Set-up and Initial Start-up Switching the machine on / off O Switch the machine on (see chapter 7.01 Main switch). Machine drive home position O See chapter 4.4 of the drive service manual... -
Page 28: Set-Up
Set-up Set-up Observe and comply with all regulations and instructions in this instruction manual. Pay particular attention to all safety regulations! All set-up work may only be carried out by appropriately instructed personnel. Disconnect the machine from the electricity mains for all set-up work by operating the main switch or by removing the mains plug! Inserting the needle Switch off the machine! -
Page 29: Winding The Bobbin Thread / Adjusting The Bobbin Thread Tension
Set-up Winding the bobbin thread / adjusting the bobbin thread tension Fig. 9 - 02 O Fit the empty bobbin 1 onto the bobbin winder spindle 2 with the rest thread chamber on the outside. O Thread in the thread as shown in Fig. 9-02 and wind it round the bobbin 1 a few times in an anti-clockwise direction. -
Page 30: Removing / Inserting The Bobbin Case
Fig. 9 - 03 table top Inserting the bobbin case / adjusting the bobbin thread tension PFAFF 937 without thread trimmer .04.01 O Insert the bobbin 1 into the bobbin case 2 as shown in Fig. 9-04. -
Page 31: Pfaff 937 With Thread Trimmer
Set-up PFAFF 937 with thread trimmer .04.02 O Insert the bobbin 1 in the bobbin case 2. O Pass the thread through the slot under the spring 3 and through the hole in the bobbin case 2. O Adjust the thread tension by turning the screw 4. -
Page 32: Threading The Needle Thread / Adjusting The Needle Thread Tension
Set-up Threading the needle thread / adjusting the needle thread tension Fig. 9 - 06 Switch off the machine! Risk of injury due to accidental machine start-up! O Thread the needle thread as shown in Fig. 9-06. Please ensure that the needle is threaded from the front. -
Page 33: Setting The Zigzag Stitch And Needle Position
M = Needle position in the centre = Needle position on the right Fig. 9 - 07 Setting stitch lengths PFAFF 937 with -918/14 PFAFF 937 Fig. 9 - 08 Fig. 9 - 09 O Set the stitch length by turning the stitch length adjusting wheel 1. -
Page 34: Setting The Top Feed (In Machines Without -918/14)
Set-up Setting the top feed (in machines without -918/14) Fig. 9 - 11 Fig. 9 - 10 Sewing without fullness .08.01 O Turn the thumb wheel 1 in the " + " direction until it stops. O Turn the thumb wheel 2 until the number " 0 " is opposite the marking 3. O Turn the thumb wheel 1 backwards until the number "... -
Page 35: Occasionally Incorporating Fullness
Set-up Fig. 9 - 13 Fig. 9 - 12 Occasionally incorporating fullness .08.03 O Turn the thumb wheel 1 in the "+" direction until it stops. O Turn the thumb wheel 2 until the number "0" is opposite the marking 3. O Turn the thumb wheel 1 backwards until the desired fullness (green numbers) is opposite the marking 3. -
Page 36: Setting The Top Feed (In Machines With -918/14)
Set-up Setting the top feed (in machines with -918/14) Fig. 9 - 14 Fig. 9 - 15 Standard value: O Set the value at which the machine should mainly work on the lever 1. Fullness: O Set the desired off-size value (e.g. for the fullness) on the lever 2. Pressing the knee switch 4 switches between the standard value and the full- ness. -
Page 37: Maintenance And Care
Maintenance and Care Maintenance and Care Maintenance intervals Cleaning ............daily, several times if in continuous operation Check the oil level (hook oil reservoir) ..............annually Check the oil level (zigzag eccentric lubrication) ........daily, before start-up Check/set the air pressure ..............daily, before start-up Cleaning the maintenance unit air filter ............... -
Page 38: Oiling The Hook
Maintenance and Care Oiling the hook Fig. 10 - 02 Fig. 10 - 03 Switch off the machine! Risk of injury due to accidental machine start-up! Only use oil with a centre viscosity of 22.0 mm²/s at 40 °C and a density of 0.865 g/cm³... -
Page 39: Oiling The Zigzag Drive
Maintenance and Care Oiling the zigzag drive Fig. 10 - 05 Fig. 10 - 04 Switch off the machine! Risk of injury due to accidental machine start-up! Only use oil with a centre viscosity of 68.0 mm²/s at 40 °C and a density of 0.881 g/cm³... -
Page 40: Checking / Setting The Air Pressure
Maintenance and Care Checking / setting the air pressure O Check the air pressure on the manometer 1 before every start-up. O The manometer 1 must show a pressure of 6 bar. O Adjust this value if needed. O Pull up the button 2 to do this and turn it out of position accordingly. -
Page 41: Parameter Settings
Maintenance and Care Parameter settings Parameter settings are described in the separate parameter list for the drive and may only be changed by qualified technicians. -
Page 42: Table Top Cutout
Table top cutout Table Top Table top cutout... - Page 43 Table top cutout Table top assembly 102,5 102,5 83,5 53,5 Kabelkanal / cable duct 20 x 20 x 250 Erdung / grounding...
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Page 44: Wearing Parts
Wearing Parts Wearing Parts This list shows the most important wearing parts. A detailed parts list for the complete machine can be downloaded at www.pfaff-industrial.de/pfaff/de/service-support/downloads/technical. As an alternative to the Internet download, the parts list can also be requested as a hard copy under order no. 296-12-19 339. 91-100 296-25 (3x) System 438 91-701 179-15... - Page 45 Wearing Parts 99-137 151-45 91-171 049-05 91-171 042-05 95-774 464-25 91-700 996-15 91-168 498-15 91-700 249-15 91-168 499-05 11-180 094-15...
- Page 46 PFAFF Industriesysteme und Maschinen GmbH Hans-Geiger-Str. 12 - IG Nord D-67661 Kaiserslautern Tel.: +49 - 6301 3205 - 0 Fax: +49 - 6301 3205 - 1386 E-mail: info@pfaff-industrial.com Printed in Germany...
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