Pfaff 1245 Sewing Machine User Manual
Contents
1. Fig 8 01 Loosen screws 1 and 2 Set the desired table top height and tighten screws 1 well Adjust the position of the right pedal so that you can operate it comfortably and tighten screw 2 The setting of the left pedal can be adjusted with chain 3 This adjustment is not necessary on machines with an automatic presser foot lifter PFAFF Mounting and commissioning the machine 8 01 02 8 01 03 Adjusting the V belt tension Fig 8 02 Loosen nuts 1 Tighten the V belt with belt take up hanger 2 e Tighten nuts 1 O Fig 8 02 shows a Quick motor If another motor is used proceed as described Il in the motor s instruction manual Mounting the upper V belt guard Fig 8 03 If a large balance wheel is used the corner 1 of the belt guard 3 must be broken out Q Screw position stop 2 to the belt guard section 3 Attach belt guard section 3 Attach belt guard section 4 PFAFF Mounting and commissioning the machine 8 01 04 Mounting the lower V belt guard Align belt guard 7 in such a way that both the motor pulley and the V belt run freely Tighten screws 8 Fig 8 04 shows a Quick motor If another motor is used proceed as described 1 in the motor s instructi2. Fig 10 08 Tum the machine off A Remove the compressed air hose from the air filter Emptying the water trap Water trap 1 empties itself automatically when the compressed air hose is removed from the air filter Cleaning the filter Unscrew water trap 1 and filter 2 Clean the filter with compressed air or with isopropyl alcohol Part number 95 665 735 91 Screw filter 2 back in and water trap 1 back on 10 5 PFAFF Adjustment Ti 1101 1102 11 08 Adjustment The illustrations in this section show the PFAFF 1245 single needle machine For the PFAFF 1246 two needle machine various adjustments must be made twice i e to the left and right hand sewing hooks This will be pointed out in the respective sections whereby it is often possible to apply the mirror image of the illustrations le Tools gauges and other accessories for adjusting Screwdrivers with blade widths from 2 to 10 mm Screwdrivers with blade widths from 7 to 14 mm Allan keys from 2 to 6 mm Metal rule Part No 08 880 218 00 Adjustment gauge Part No 08 880 136 14 Adjustable clamp Part No 08 880 137 00 Gauge top feed stroke 7 mm Part No 61 111 630 14 Needles system 134 35 Sewing thread and test material Notes on adjusting All adjustments in these adjustment instructions are based on a completely install
3. Unscrew vibrating presser 1 and presser foot 2 Set stitch length 0 and bring the needle bar to its TDC Insert a new needle Loosen screws 3 4 5 and 6 Position the needle directly over the bottom feed dog by turning the handwheel Move needle bar frame 7 in accordance with the requirement Tighten screws 3 4 and5 Position stop 8 so that it is touching needle bar frame 7 and tighten screw 6 The movement of needle bar frame 7 in guide 9 and of the top feed drive bars must not be stiff 11 6 PFAFF Adjustment 11 04 06 Lifting motion of the bottom feed dog This adjustment does not apply for machines without a bottom feed lifting phase without P Requirement 1 With the needle bar at its BDC the bottom feed dog must be at its TDC 2 With the longest stitch set the bottom feed dog must reach the top surface of the needle plate at the same time as the needle point when the handwheel is turned Fig 11 06 Ps Bring the needle bar to its BDC Tum feed lifting eccentric 1 screws 2 in accordance with requirement 1 In this position tighten the accessible screw 2 until feed lifting eccentric 1 can be turned with difficulty Tum feed lifting eccentric 1 a little further in accordance with requirement 2 Tighten both screws 2 PFAFF 11
4. Fig 11 108 Pd Tum screw 2 screw 3 to adjust the spring resistance of thread check spring 1 Tum retainer 4 screw 5 according to the requirement Tum screw 7 screw 8 to adjust the spring resistance of thread check spring 6 Tum retainer 9 screw 10 according to the requirement PFAFF 11 17 Adjustment 1104 16 Bobbin winder Requirement 1 With the bobbin winder switched on the bobbin winder spindle must engage reliably With the bobbin winder switched off friction wheel 5 must not touch drive wheel 1 2 The bobbin winder must switch off automatically when the thread level is approximately 1 mm from the edge of the bobbin S OD O rad O ol Fig 11 15 Move drive wheel 1 Screws 2 in accordance with requirement 1 Place a bobbin on the bobbin winder thread the bobbin and switch on the bobbin winder Move stop latch 3 screws 4 in accordance with requirement 2 11 18 PFAFF Adjustment 1104 17 Presserfoot pressure Requirement The material must be fed reliably even at top sewing speed There mustn t be pressure marks on the material Fig 11 16 Ps Tum screw 1 in accord
5. BG amp a o 1 4 1 x gt Fig 11 25a p Loosen nuts 1 right and left hand thread when the cutting device is in the off position Measure the distance between shafts 2 and 3 Rotate connecting rod 4 according to the requirement Re tighten nuts 1 PFAFF IL 29 Adjustment 1105 11 Thread catcher height On Model 1246 make these adjustments on both thread catchers Requirement When thread catcher 2 is pushed forwards manually with the take up lever at its TDC the lower point of the thread catcher must pass 1 mm over the back of hook 4 Fig 11 26 Loosen screw 1 enough so that thread catcher 2 can be turned Loosen the screws in retaining collar 3 Bring the take up lever to its TDC by tuming the handwheel Move thread catcher 2 in accordance with the requirement In this position and taking care to ensure that retaining collar 3 is touching the shaft bushing tighten screws 3 of the retaining collar Carry out a check in accordance with the requirement Screw 1 remains loosened for the following adjustment 11 30 PFAFF Adjustment 11 05 12 Knife On Model 1246 make these adjustments on both knives Requirement L The elongated hole of knife 3 must be parallel to knife carrier 5 and the knife must not be touching the casting see arrow 2 When
6. 9 D Z Fig 10 02 Only use oil with a mean viscosity of 22 0 mm s at 40 C and a density of N 0 865 g cm at 15 C 2S We recommend PFAFF sewing machine oil Part no 280 1 120 144 wee x G Sl Fig 10 03 PFAFF Care and maintenance iN Turn the machine off Lubricate all bearings marked inFig 10 02 twice a week Open the bed slide to gain access to oiling point 1 Pull the knee lever out to the front and lay the machine on its back Lubricate all bearings marked in Fig 10 03 twice a week Setting the machine upright Hold the machine press tilt safety device 3 Fig 10 04 and return the machine to an upright position with both hands AN Danger of crushing between machine and table top 10 04 Lubricating the hook AA Turn the machine off Pull the knee lever out to the front and lay the machine on its back Fill oil reservoir 1 through hole 2 up till the topmost marking Setting the machine upright Hold the machine press tilt safety device 3 and return the machine to an upright position with both hands Danger of crushing between machine and table top 3 Fig 10 04 10 3 PFAFF Care and maintenance 10 05 LP 10 06 2 Lubricati
7. Fig 9 04 A Turn the machine off Threading the bobbin case Thread the bobbin as shown in Fig 9 04 When the thread is pulled the bobbin must rotate in the direction of the arrow Regulating the bobbin thread tension Regulate the bobbin thread tension with Screw 1 PFAFF Preparation 9 06 Threading the needle thread Adjusting the needle thread tension in the PFAFF 1245 Fig 9 05 AN Turn the machine off Thread the machine as shown in Fig 9 05 Take note that the needle is threaded from the left see arrow Adjust the needle thread tension by turning knuled screws 1 9 5 PFAFF Preparation 9 07 Threading the needle thread Adjusting the needle thread tension in the PFAFF 1246 Fig 9 06 AN Maschine ausschalten Thread the machine as shown in Fig 9 06 Care must be taken that the left hand needle is threaded from the right and the right hand needle is threaded from the left Adjust the needle thread tension by tuming knurled screws 1 PFAFF 9 6 Care and maintenance 10 Care and maintenance 10 01 Servicing and maintenance intervals Check the air pressure unnnurssnnrnnennnnnnnnnnnnnnnnnnnnnnnnnnnannnnnnnnnnnnnnnnannnnann nnne daily before use Clean the hook compartment daily more often if in continu
8. Lus 6 c BEN K i s SS a m or ADD ME gt CL NS A SCA o G Fig 11 08 p Set stitch length 3 and loosen screws 1 and 2 also loosen screws 3 on machines with automatic thread trimmer 900 56 Move hook bearing 4 in accordance with requirement 1 Tighten screws 1 Bring the needle to its BDC and slide the 1 8 or 2 mm thick feeler gauge under the needle bar bearing allow the adjustable clamp to come to rest on the feeler gauge and screw it tight Remove the feeler gauge and turn the handwheel in its direction of rotation until the PFAFF 11 9 Adjustment Fig 11 08 ZF adjustable clamp is touching the needle bar bearing Position the hook point at the middle of the needle taking care to ensure that the needle is not pressed by needle guard 7 While ensuring that bevel pinion 5 is not too close and that the hook does not exhibit too much play tighten screws 2 On machines with automatic thread trimmer 900 56 bring retaining collar 6 to rest on bevel pinion 5 and tighten screws 3 Adjust the needle height in accordance with requirement 2 see also chapter 11 04 04 Align needle guard 7 in accordance with requirement 3 Bei der PFAFF 1246 ist nach Ver nderung des Nadelabstandes unbedingt die Verbindungsstange zum Fadenabschneider siehe auch Kap 1
9. 3 06 WW OT uey Bow Jo abneb ajpaeu pue ww 8 0 ww 9 03 dn su36ues u iis 40J uluJ seupins Jo Jequunu xe W WLW OT 0 dn jo e6ne6 jp u pue LULU 8 0 LULU 9 UJOJJ Suy6us uos J0J ulUJ S9Upins Jo Jequunu xe W WWW OT uey aow Jo e6ne6 a pesu pue ww 9 0 dn su1 amp ue u ins J0J ulUJ S9upins Jo Jequunu xe IN WW QT 0 dn jo e6ne6 ajpaau pue ww 9 0 dn su16ue u ins J0J uluJ S9upins Jo Jequunu xe W Yt pea dor 2300 2500 2500 2700 less than 3 5 mm 2100 2400 2200 2400 from 3 5 to 5 5 mm 1600 1900 1700 1900 from 5 5 to 7 mm PFAFF Disposal of the machine 4 Disposal of machine waste The proper disposal of machine waste is the responsibility of the customer The materials used on the machines are steel aluminium brass and various plastics The electrical equipment consists of plastics and copper The machine waste is to be disposed of in accordance with the locally valid environmental protection regulations If necessary a specialist is to be commissioned Special care is to be taken that parts soiled with lubricants are separately disposed of in accordance with the locally valid pollution control regulations PFAFF Transport packaging and storage 5 Transport packaging and storage 5 01 Transport to the customer s premises Within the Federal Republic of Germany the machine is delivered without packaging Machine
10. 0 3 mm between bolt 4 and the outer diameter of control cam 5 Fig 11 22 Ps Bring the needle bar toTDC by turning the handwheel Tum screw 1 nut 2 in accordance with the requirement Carry out a check by tapping control lever 3 PFAFF Tl 25 Adjustment 11 05 07 Linkage rod Requirement When shaft 9 begins its sliding motion lever 6 must simultaneously lift from stop 7 Fig 11 23 Ps Affix spherical head 1 to control lever 3 using screw 2 Loosen nuts 4 right and left handed thread Bring the machine to needle rise position by tuming the handwheel and activate engaging lever 5 Taking care to ensure that lever 6 is touching stop 7 see arrow tum linkage rod 8 in accordance with the requirement inthis position tighten both nuts 4 Carry out a check in accordance with the requirement 11 26 PFAFF Adjustment 11 05 08 Final adjustment of the control cam Requirement When control lever 3 is engaged and the needle point is 12 mm above the needle plate coming from its BDC the motion of the thread catcher 5 must begin Bring the take up lever to just past its TDC by turning the handwheel and loosen the accessible screws on control cam 1 Continue turning the handwheel in its direction of rotation until the machine is in needle ri
11. 7 Adjustment 11 04 07 Driving motion of the bottom and top feeds Requirement With the longest stitch length set and the needle bar at its BDC the top and bottom feeds should not move when the reverse feed lever is activated IM Fig 11 07 Set the longest stitch Loosen screws 1 just far enough so that the feed driving eccentric 2 can be turned on the shaft with difficulty Bring the needle bar to its BDC Turn the feed driving eccentric 2 so that its eccentricity is facing downwards Now tum it a little in the direction of rotation in accordance with the requirement In this position tighten screws 1 Carry out a check in accordance with the requirement 11 8 PFAFF N Adjustment Hook to needle clearance needle rise needle height and needle guard On Model 1246 make these adjustments on both sewing hooks Requirement With the stitch length set at 3 and the needle rise at 1 8 mm after BDC of the needle bar on model B and 2 0 mm after BDC of the needle bar on model C the following must be true l The distance to the needle must be 0 05 0 1 mm and the hook point must be pointing to the middle of the needle 2 The top edge of the eye of the needle must be 0 8 1 mm below the hook point 3 The needle guard must lightly touch the needle gt
12. Mounting and commissioning the machine 8 02 02 Fr 113 01 PFAFF 1246 339 6 03 28 0 2 103 209 25 5 s 2x m iT il it X H E esh TR Ko ME NE i fi i i 99 136 657 55 6x 12 177 142 05 3x FL o 13 5 91 032 329 05 2x 91 032 332 75 130 Gestell 906 3750 000 170 Mounting and commissioning the machine 8 03 8 04 Commissioning the machine Before commissioning the machine check the electrical leads and pneumatic hoses for any damage Remove pin 1 of the oil reservoir 2 Fig 8 06 The pin serves only to protect the machine from damage during transport and must not be used when sewing Clean the machine thoroughly and oil it see chapter 10 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 If not the machine must not be operated The handwheel must rotate towards the operator when the machine is running if not have the motor re adjusted converted by a specialist Connect the machine to the compressed air system The pressure gauge must display a pressure of approx 6 bar
13. 019 891 05 9 91 000 529 15 3x 9110039615 4x m PFAFF 12 1 Wearing parts 99 137 151 45 113 MC a 05 D Ar o 91 171 042 05 Q 91 140 180 91 11 108 006 15 2x 91 140 726 01 91 113 480 91 11 130 089 15 2x 91 018 885 15 11 130 089 15 2x lt 91 018 147 05 gt N a O PFAFF 1245 1246 91 010 937 05 1245 Version C d En 91 010 179 05 1246 Version B 91 015 519 05 1246 Version C PFAFF 1245 900 1246 900 91 176 328 05 Mo 91 176 328 05 12 2 PFAFF OS PFAFF PFAFF Industrie Maschinen GmbH Postfach 3020 D 67653 Kaiserslautern K nigstr 154 D 67655 Kaiserslautern Telefon 0631 200 0 Telefax 0631 17202 E Mail info pfaff industrial com Gedruckt in der BRD Printed in Germany Imprim en R F A ImpresoenlaR F A
14. 1 05 10 neu zu justieren 11 10 PFAFF Adjustment 1104 9 Top feed stroke Requirement At the largest top feed stroke setting and stitch length 07 presser foot 1 and vibrating presser foot 2 must lift 7 0 mm from the needle plate when the handwheel is tumed Fig 11 9 Ps Set the largest top feed stroke and the stitch length at 0 Bring presser foot 1 to rest on the needle plate Tum the handwheel in the direction of rotation until vibrating presser foot 2 has reached its highest point Tum crank 3 screws 4 in accordance with the requirement Carry out a check in accordance with the requirement PFAFF 11 11 Adjustment 11 04 10 Lifting motion of the top feed Requirement When presser foot 1 is resting on the needle plate the vibrating presser foot 4 and the point of the needle must both reach the needle plate at the same time when the top feed stroke is set at maximum S A SE Fig 11 10 Ps Allow presser foot 1 to rest on the needle plate Loosen screws 2 until feed lifting eccentric 3 can be turned on its shaft with difficulty Turn feed lifting eccentric 3 in accordance with the requirement Tighten screws 2 Carry out a check in accordance with the requirement 11 12 PFAFF Adju
15. 38 12 Wearing parts nennen vaataacge indue ane iR On Ortu tae Ree cesa carus 12 1 PFAFF Safety 1 01 1 02 Safety Directives This machine is constructed in accordance with the European regulations contained in the conformity and manufacturer s declarations In addition to this Instruction M anual observe also all generally accepted statutory and other regulations and legal requirements including those of the country and all valid environ mental 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 This machine may only be operated by adequately trained operators and only after having completely read and understood the Instruction M anual All Notes on Safety and Instruction Manuals of the motor manufacturer are to be read before operating the machine The danger and safety instructions on the machine itself are to be followed This machine may only be used for the purpose for which it is intended and may not be operated without its safety devices All safety regulations relevant to its operation are to be adhered to When exchanging sewing tools e g needle presser foot needle plate feed dog or bobbin when threading the machine when leaving the machine unattended and during maintenance work the machine is to be separated from the power
16. If not adjust the pressure to this value see chapter 10 07 Checking the air pressure Fig 8 06 Switching the machine on off Switch on the machine see chapter 7 01 Carry out a test run PFAFF Preparation 9 Preparation All regulations and instructions in this Instruction manual are to be observed Special attention is to be paid to all Notes on Safety All preparation work is only to be carried out by appropriately trained personnel Before all preparation work the machine is to be switched off via the on off switch or to beseparated from the electricity supply by removing the plug from the mains 9 01 Inserting the needle in the PFAFF 1245 IA Turn the machine off Use only system 134 35 needles Loosen needle retaining screw 1 Insert the needle as far as possible the long needle groove must be facing left W Tighten needle retaining screw 1 A HD Ge Vets The selection of the correct gt sa qu 1 needle depends on the mogel of 1 NSS the machine and the material and IE threads being sewn Fig 9 01 9 1 PFAFF Preparation 9 02 Inserting the needle in the PFAFF 1246 c g Turn the machine off Use only system 134 35 needles Loosen needle retaining screws 1 Insert needles as far as it will go the l
17. check spring uis nn ee en 11 16 11 04 15 Thread check spring on PFAFF 1246 with thread trimmer 900 56 eee 11 17 11 04 16 BOBBINWINGET MM aii 11 18 11 04 17 Presser footpressUre isssssssssssessee e eee nenne rsen eere erre ser nennen nnns 11 19 11 05 Adjusting the thread trimmer 900 56 sssssssssssseemee nennen 11 20 11 05 01 Pre adjusting the control CaM e dete nee 11 20 11 05 02 Trippinglever un ein E EEN 11 21 11 05 03 re 11 22 11 05 04 Engaging solenoid seniiti nennen nnne nenne nnn nane enne 11 23 11 05 05 Release tiD ARTE MEERE RE eom tes p Re DEDI I dM E DR HEBEN 11 24 11 05 06 Eng gingllever tee einen 11 25 11 05 07 LINKAGE FOO euaeaceeaauennennnenannnnnennnnnnnnnnnnnnnnnnnnnnnnennennnnenennennnnnnenennnnnnnnnnnnnnnnnnnnnnennnn 11 26 11 05 08 Final adjustment of the control ein ua een 11 27 11 05 09 CSIC E E 11 28 11 05 10 Connecting rod for PFAFF 1246 only sss ener 11 29 11 05 11 Thread catcher height sss een eee nennen ern nnne nennen nnns 11 30 11 05 12 dc 11 31 11 05 13 Thread catcher reverse POSINOM c iciectcescacbsacdacdadeccteicaacsgieiseenessasedeiidedonssadbsaesecnesaieians 11 32 11 05 14 Bobbin thread clamp spring ccccccccccccscessccsseceescsssessscesscsssssaecatsceesesseceeecsesueeseeeceecaes 11 34 11 05 15 Tensiohrelesse bar a RL 11 36 11 05 16 POSITIONEN dents eisen T TEE 11
18. engages Press magneto inductor 4 as far as possible into solenoid housing 5 and move both the solenoid housing and the magneto inductor in accordance with the requirement Inthis position tighten screw 1 PFAFF 11 23 Adjustment 11 05 05 Release trip Requirement In needle rise position and with control lever 4 engaged there must be a distance of approx 0 3 mm between the bolt of the control lever and the base of the cam track Fig 11 21 Bring the machine to needle rise position by turning the handwheel Manually activate engaging lever 1 so that pawl 2 engages Taking care to ensure that screw 3 is still loose press control lever 4 down to the base of the track of control cam 5 Maintaining this position lightly tighten screw 3 while bringing release trip 6 into a resting position against engaging lever 1 and laterally against control lever 2 in the direction of the arrow By lightly tapping on release trip 6 in the direction of the arrow while simultaneously tapping control lever 4 create a distance between the bolt and the base of the cam track which corresponds with the requirement In this position tighten screw 3 Carry out a check in accordance with the requirement 11 24 PFAFF Adjustment 11 05 06 Engaging lever Requirement With the needle bar atTDC and with control lever 3 at starting position there must be a distance of approx
19. in accordance with the requirement and tighten screws 2 PFAFF 11 3 Adjustment 11 04 03 Height of the bottom feed dog Requirement With the stitch length set at O7 the bottom feed dog must protrude over the needle plate as high as the teeth when atTDC N Fig 11 03 P Set stitch length 0 Bring the bottom feed dog to its TDC by tuming the handwheel Adjust feed dog carrier 1 screws 2 in accordance with the requirement io If required the feed dog height can be reduced a little on machines without a 1 bottom feed lifting phase without P 11 4 PFAFF Adjustment 11 04 04 Pre adjusting the needle height Requirement With the needle bar at BDC the distance between the needle bar and the needle plate must be 15 mm 15 mm Fig 11 04 Move needle bar 1 screw 2 in accordance with the requirement without moving it laterally PFAFF ib Adjustment 11 04 05 Centering the needle in the needle hole Requirement middle With the stitch length set at O7 the needle must enter the needle hole exactly in the j BB L TO Oc 5t 6 GL Sr AN l me de O1 Fig 11 05 2 PP SA zes PRE ANNA 6 2 T 8 O
20. position by tuming the handwheel Bring clamp 5 to rest on the right side of the housing Keeping this position move control lever 6 laterally in accordance with the requirement and then press control lever 6 onto the bottom of the cam track In this position tighten screw 3 Carry out a check in accordance with the requirement Screw 4 remains loosened until the release trip is adjusted PFAFF 11 21 Adjustment 11 05 03 p Pawl Requirement With the cut off mechanism in resting position there must be a distance of 0 3 mm between the largest eccentricity of bearing surface 1 and paw 2 14 Fig 11 19 HA QUERN A Position the largest eccentricity of bearing surface 1 underneath paw 2 by turning the handwheel Move bearing bolt 3 screw 4 in accordance with the requirement 11 22 PFAFF Adjustment 11 05 04 Engaging solenoid Requirement In needle rise position and with engaging solenoid 5 activated there must be a distance of 0 3 mm between engaging lever 2 and pawl 3 O O 3 0 2 NN RB ore j SN y DNE Sog SE 1 5 Fig 11 20 Bring the machine to needle rise position by turning the handwheel Loosen screw 1 until the engaging solenoid can be turned with difficulty Manually activate engaging lever 2 so that pawl 3
21. ssssssssssssseeem eene eee 7 2 7 06 Feed regulator reverse sewing sss eene 7 3 7 07 Feed regulator on machines with backtacking mechanism 911 97 7 3 7 08 Adjustment nut for the top feed stroke ssssssssssse mens 7 4 PFAFF Index 8 01 8 01 01 8 01 02 8 01 03 8 01 04 8 01 05 8 01 06 8 01 07 8 02 8 02 01 8 02 02 8 03 8 04 9 01 9 02 9 03 9 04 9 05 9 06 9 07 10 10 01 10 02 10 03 10 04 10 05 10 06 10 07 10 08 11 11 01 11 02 COMENTS ere ar E UT Chapter Page Mounting and commissioning the machine esee 8 1 NY O1 gen 8 1 Adjusting the table top height ssssssssssssssssess eere enne 8 1 Adjusting the V belt tension sssrin eanan EEE E a 8 2 Mounting the upper V belt guard ssssssssssssssssssss eene 8 2 Mounting the lower V belt guard sssssssssssss Hee 8 3 Mounting tilt over safeguard ssssssssssssseeeeenee eene nnns 8 3 Meoaritinigthiespoolhelder ssu sense She zd tela E tad d tus Ead pcd vt ln dn 8 4 Mounting thesewirig lamb rnit beet re eene tee bp a aaa 8 4 Tabletop CULOUT EU 8 5 PFAFF 1245 u iin Ue decere gu de ipd a idea eie tab ben EP nae 8 5 drop 8 6 COMMISSIONING the machine nennen nenn 8 7 Switching the machine on off ueseesssessnnsnsesssssennnnnnnnsnnnnnnnnnnnnnnnnnnnnnennnnnnnnnnnnen 8 7 Mirzio lrii elnPtee
22. supply by switching off the On Off switch or by removing the plug from the mains Everyday maintenance work is only to be carried out by appropriately trained personnel Repairs and special maintenance work may only be carried out by qualified service staff or appropriately trained personnel When servicing or carrying out repairs on pneumatic devices the machine is to be removed from the compressed air supply The only exceptions to this are adjustments and function checks carried out by appropriately trained personnel Work on electrical equipment may only be carried out by appropriately trained personnel Work is not permitted on parts and equipment which are connected to the power supply Exceptions to this are only to be found in the regulations EN 50110 Modifications and alterations to the machine may only be carried out under observance of all the relevant safety regulations Only spare parts which have been approved by us are to be used for repairs We expressly point out that any replacement parts or accessories which are not supplied by us have not been tested and approved by us The installation and or use of any such products can lead to negative changes in the structural characteristics of the machine We shall not be liable for any damage which may be caused by non original parts PFAFF Safety 1 03 1 04 Safety symbols Danger Points to be observed AN Danger of injury for op
23. 4 Bobbin thread clamp spring On Model 1246 make these adjustments on both clamp springs Requirement 1 Between clamp spring 5 and the bottom of thread catcher 4 there must be a distance of 0 3 mm 2 At the front point of reversal of thread catcher 4 the points of clamp spring 5 must be flush with the back edge of catcher 4 see arrow There must be a distance of approx 12 mm between the inner edge of clamp spring 5 and guide sleeve 7 The bobbin case must be able to be inserted and removed from the hook i without any interference 2 Som P 6 DD ro Fig 11 29 ZF Align carrier 1 screws 2 in such a way that it is in the middle of its adjustment range and parallel to the bedplate of the machine Unhook spring 3 M anually pivot thread catcher 4 over clamp spring 5 Bend clamp spring 5 in accordance with requirement 1 Hook spring 3 back in again 11 34 PFAFF Adjustment Bring the machine to needle rise position activate the engaging lever and bring the thread catcher to its front point of reversal by turning the handwheel Align clamp spring 5 screws 6 in the elongated hole in accordance with requirement 2 if necessary carrier 1 screws 2 as well In this position and taking care to ensure that carrier 1 is parallel to the machine bedplate tighten screws 2 and 6 Fig 11 29 A PFAFF 11 35 Adjustm
24. PFAFF 1245 1246 Instruction manual This instruction manual applies to machines from the following serial numbers onwards PFAFF 1245 527678 PFAFF 1246 527679 e 296 12 18 401 002 Betriebsanleitung engl 01 02 ii 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 permission and with written reference to the Source PFAFF Industrie Maschinen GmbH Postfach 3020 D 67653 Kaiserslautern K nigstr 154 D 67655 Kaiserslautern Editing lllustrations Verlag TD D 77901 Lahr Index Mio RT T Chapter Page 1 SEM 1 1 1 01 Wl To TC m OVERHNE HEREREEHRCE RER 1 1 1 02 General notes on safety sssssssssssssssseeeeee eee eene nn 1 1 1 03 Safety Symbols cete area ae iacds dias eine 1 2 1 04 Important POINTS Tor the usen un a n eu 1 2 1 05 Operating and specialist personnel ussseesseesssnnneessssssnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 1 3 1 05 01 Operating personnel ssssssssssssseeee eene enenen nere nennen enne enn 1 3 1 05 02 Specialist personnel sete pese canini einen 1 3 1 06 Danger MR PR 1 4 2 Proper Use ected essences 2 1 3 Specifications cccecsececccsccsscesse
25. ance with the requirement PFAFF 1l 19 Adjustment 11 05 1105 01 Adjusting the thread trimmer 900 56 Pre adjusting the control cam Requirement 1 The eccentric bearing surface of control cam 5 must be laterally in the middle of paw 8 2 With the take up lever at its TDC the beginning of the largest eccentricity of the bearing surface in the direction of rotation must be underneath the point of pawl 8 Fig 11 17 Remove catch 1 screws 2 Remove plate 3 screws 4 Loosen the four screws of control cam 5 and screws 6 of retaining collar 7 Move control cam 5 laterally in accordance with requirement 1 In this position bring retaining collar 7 to rest on control cam 5 and tighten screws 6 Bring the take up lever to its TDC by tuming the handwheel Turn control cam 5 in the direction of rotation in accordance with requirement 2 taking care to note that it is touching retaining collar 7 inthis position tighten the four screws on control cam 5 11 20 PFAFF Adjustment 1105 02 Tripping lever Requirement In needle rise position the flattened pin of control lever 6 see arrow must fall slightly into the track of control cam 7 when activating lever 8 is activated Fig 11 18 Screw out screw 1 and swing out connecting rod 2 Loosen screws 3 and 4 Bring the needle bar to needle rise
26. ccsecsseesecesecssessuecseecssessaeseecseasseeeesesecsaeeceaseseceueesaeeaess 3 1 3 01 REARF EE 3 1 3 02 Possible models and subclasses 1 retrato mra recita ect neta butt 3 1 3 03 Max number of stitches min ennai 3 2 3 04 SEAT 2452 EVE MEME MM ME 3 3 3 05 Possible models and subclasses sse een enne 3 3 3 06 Max number of stitches min u u u unnnnnnnnnnn 3 4 4 Disposal of the machine esses eeneioe aineet on eetere aian eiai NESE 4 1 5 Transport packaging and storage uunssnnennennnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nn nnnnnnannnnnnnnnnn 5 1 5 01 Transport to the customer sssssssssssssnssnnennennoneeponnennnnnnnennennennnnnsn ernennen 5 1 5 02 Transport within the customer s premises ussssensenneneeenennenneneennnnn nen 5 1 5 03 Disposal of the packaging eee erre nere eek 5 1 5 04 Silo ORG A 5 1 6 Explanation of the symbols ccccccessessesesccssesssesseccseecseesscecescaeesseeceeceseesaeeceeseeeesaees 6 1 7 Controls e ener s EE LM 7 1 7 01 OMO SWICh een kae uten ADU aAA ERE b tto enun tui qua 7 1 7 02 Pedals on machines with subclass 910 01 sssssssssm e 7 1 7 03 Pedal on machines with automatic presser foot lifter subclass 910 98 7 1 7 04 Key on the machine head for machines with backtacking mechanism 91 1 97 7 2 7 05 Lever for lifting the presser foot
27. e EE 9 1 Inserting the needle in the PFAFF 1245 mener 9 1 Inserting the needle in the PFAFF 1246 eee nennen 9 2 Winding the bobbin thread adjusting the thread tension sesnesnee 9 2 Removing Threading the bobbin case ssssssssssssssssseeeeeeeen es 9 3 Inserting the bobbin case Adjusting the bobbin thread tension 9 3 Threading the needle thread Adjusting the needle thread tension in the PFAFF 1245 sss 9 5 Threading the needle thread Adjusting the needle thread tension in the PFAFF 1246 ssssssssss e 9 6 Care and maintenance unsssssnennnnnnnennnnnnnnnnnennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnsnnnnnnnnn 10 1 Servicing and maintenance intervals essessssssessnnnnnneennnnnnnnnnnnneeneennnnnn 10 1 Et 10 1 err IUDMICATON Pm 10 2 Ixabricatirig the NOOK une en aae tdeo Ecko a a aad 10 3 Lubricating the head sssssssssssseeeeeeee ee en en enn nnn en nennen nne en enn 10 4 Lubricating the top feed drive excentric ssssssssssssse eene 10 4 CHECKING The alrpressule iere Rr en 10 5 Emptying Cleaning the water container of the air filter ne 10 5 AGIUSTIMENT eost ima eR E MIRIAM S ARIES EE SERI ERE MERE 11 1 Tools gauges and other accessories for adjusting sssssssssssee 11 1 Notes on adjusting sssssssssssse
28. e ee het i aR max 600 VA FUSE Protection ctia cnet Wiese bee 1x 16 A delayed action Working irpressufe oec een 6 bar Alf COnSUMPtIONE secs ee anne 0 8 work cycle Working noise level Emission at workplace N 2300 5SPM E 82 dB A Noise measurement in accordance with DIN 45 635 48 A 1 Subjectto alteration Orcomparable thicknesses of other thread types 3 02 Possible models and subclasses Modell cm E For processing medium heavy materials Additional equipment xIU oe i eh 0 0 io Thread trimmer Subclass 010 nost estate Automatic presserfoot lifter iU o ol cs Pc I E Bartacker 3 1 PFAFF Specifications 3 03 Max number of stitches min Top feed lift M ax number of stitches min for stitch lengths up to 6 mm M ax number of stitches min for stitch lengths from 6 mm to 8 mm less than 3 5 mm 2800 2600 from 3 5 to 5 5 mm 2500 2500 from 5 5 to 7 mm 2000 2000 PFAFF Specifications 3 04 3 05 PFAFF 1246 SUCH ao RE tm 301 lockstitch Needle System ioco as pne peer dote diete eee zu ea nee EST a 134 35 Needle thickness in 1 100 mm relie 80 100 Model gm dan 110 140 Max thread thickness synthetic Model creer Mr EE 40 3 Mee lsmccc 20 3 Max stitch le
29. ed machine and must only be carried out by appropriately trained specialists Covers on the machine which have to be removed and replaced for checks and adjustment work are not mentioned here The screws and nuts in brackets are attachments of machine parts which are to be loosened before making the adjustment and tightened again when the adjustment is complete Abbreviations TDC top dead center BDC bottom dead center PFAFF 11 1 Adjustment 11 04 Adjusting the basic machine 11 04 01 Positioning the feed dog across the direction of sewing Requirement The bottom feed dog must be the same distance from the left and right side of the needle plate cutout Fig 11 01 p Loosen screws 1 and2 Laterally align rock shaft 3 in accordance with the requirement Now tighten screws 1 The flat sides of pins 4 must be opposite the flat sides of screws 1 and rock shaft 3 must exhibit neither play nor stiffness Screws 2 remain loose for the following adjustments 11 2 PFAFF Adjustment 11 04 02 Positioning the feed dog in the direction of sewing Requirement With the longest stitch set the bottom feed dog must have the same clearance the front and the back with respect to the needle plate cutout when feeding both forwards and backwards Fig 11 02 ZF Set the longest stitch Adjust rock shaft 1
30. eedle 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 On mechanically activated clutch motors without an actuating lock wait until the motor has come to a standstill Danger of injury Do not operate the machine without the take up lever guard 1 Danger of injury due to the movement of the take up lever Do not operate the machine without the finger guard 2 Danger of injury by the moving needle PFAFF Safety Do not operate the machine Ga without tilt back safeguard 3 Danger of crushing between upper part and table top 1 L Fig 1 02 Do not operate the machine without belt guards 4 and 5 Danger of injury by the revolving V belt Fig 1 03 PFAFF Proper use Proper use PFAFF 1245 The PFAFF 1245 is asingle needle flatbed sewing machine with bottom top and needle feeds as well as a large vertical hook for sewing lockstitch seams The machine is designed for commercial use industry PFAFF 1246 The Pfaff 1246 is a two needle flat bed sewing machine with bottom top and needle feed as well as vertical sewing hook for lockstitch seams The machine is intended for commercial
31. eeeeeeeee ee ee enr n nnn ns sss s sss sss denen nennen 11 1 Index Mor NN T E Chapter Page 11 03 ADDreviatioN S ee een IP MM uM MM M UM 11 1 11 04 Adjusting the basic machine esses eene enne rne tnn nnns nnns nasa steh 11 2 11 04 01 Positioning the feed dog across the direction of sewing 11 2 11 04 02 Positioning the feed dog in the direction of sewing nennnnen 11 3 11 04 03 Height of the bottom feed dog ccccccccccceccsccsscsscseeseessesesseeceecsecsscsssasesecsseesseaeeseeaes 11 4 11 04 04 Pre adjusting the needle height nnennennen nennen 11 5 11 04 05 Centering the needle in the needle hole 11 6 11 04 06 Lifting motion of the bottom feed dog ssssssssseseeeeneeeeeenenn enne 11 7 11 04 07 Driving motion of the bottom and top feeds ennnnnnnnnn 11 8 11 04 08 Hook to needle clearance needle rise needle height and needle guard 11 9 11 04 09 Top feedstroke ueneeenennenenenennnnnnnnnennnnnnnnnnnnnnnnnnnnnnnnennnnnnnnnnnnnnnnnnnnenennnnnnnnennn nen 11 11 11 04 10 Lifting motion of the top feed sssssssssssseseeeemeenmeneemnenennnene nennen 11 12 11 04 11 Bobbin case opener ssssssssssseeeeeemee ee nennen ener nennen rne nennen rene enn nennen 11 13 11 04 12 Sedis m 11 14 11 04 13 Needle thread tension release sssssssse eene 11 15 11 04 14 Thread
32. ent 1105 15 EF Tension release bar Requirement 1 With the cut off mechanism in resting position and the presser foot raised there must be a distance of approx 7 mm between the left edge of release bar 8 and housing 9 2 When the point of thread catcher 5 is at the same height as the rear edge of stop trip 6 of the needle plate see arrow with the presser foot resting on the needle plate the tension discs must be loosened to such an extent that the needle thread can be easily pulled through them Fig 11 30 Taking care to ensure that the cut off mechanism is in resting position raise the presser foot Loosenscrews 1 Set transmission bar 2 screws 3 to the height stipulated in requirement 1 On machines without automatic presserfoot lifter subclass 910 bracket 4 must be unscrewed to obtain access to screws 3 By tuming the handwheel bring the machine to needle rise position and manually activate the engaging lever 11 36 PFAFF Adjustment Allow the presser foot to rest on the needle plate By continuing to turn the handwheel position the point of thread catcher 5 at the same height as the edge of rear stop trip 6 of the needle plate and press release bar 8 to the left
33. erating and specialist personnel Caution Do not operate without finger guard and safety devices Before threading changing bobbin and needle cleaning etc switch off main switch A Important points for the user This Instruction M anual is a component part of the machine and must be available to the operating personnel at all times The Instruction Manual must be read before operating the machine for the first time The operating and specialist personnel is to be instructed as to the safety equipment of the machine and regarding safe work methods itis the duty of the operator to only operate the machine in perfect running order e It is the obligation of the operator to ensure that none of the safety mechanisms are removed or deactivated 0 itis the obligation of the operator to ensure that only authorized persons operate and work on the machine Further information can be obtained at your PFAFF agent PFAFF Safety 1 05 1 05 01 1 05 02 Operating and specialist personnel Operating personnel 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 M anual never use any working methods which could limit the level of safety in us
34. in accordance with requirement 2 using retaining collar 7 Inthis position tighten screws 1 Jl The eccentricity of retaining collar 7 must be pointing downwards Carry out a check in accordance with the requirement Fig 11 30A PFAFF 11 37 Adjustment 1105 16 Positioner Requirement When interrupting the sewing process the machine must position itself at approx 4 mm after the BDC of the needle bar After trimming the thread the machine must position itself at the TDC of the take up lever Ps Carry out the adjustment as stipulated in the instruction manual of the motor 11 38 PFAFF Wearing parts 12 Wearing parts PFAFF 1245 6 07 PFAFF 1245 This list indicates the most important wearing parts You can request a detailed parts list for the complete machine under parts number 296 12 18 085 PFAFF 1246 91 000 085 25 2 S 91 100 366 15 91 000 425 15 2x w 11 108 093 15 JZ 22 11 330 082 5 11 174 089 15 91 173 664 15 2x PFAFF 1245 1246 91 140 538 91 Version B 91 140 539 91 Version C System 134 35 PFAFF 1245 900 1246 900 91 140 540 91 Version B 91 140 451 91 Version C 91 000 390 05 S t 928 15 CH 91 018 339 05 SF 91 019 891 05 Q 91 000 529 15 3x WH 91 100 396 15 4x wy Pa 390 05 S cae 928 15 Cm 91 018 480 05 w SJ eS 91
35. industrial use only Any and all uses of this machine which have not been approved of bythe manufacturer are considered to be inappropriate The manufacturer cannot be N held liable for any damage caused by the inappropriate use of the machine The appropriate use of the machine includes the observance of all operational adjustment maintenance and repair measures required by the manufacturer PFAFF Specifications d Specifications 3 01 PFAFF 1245 SUCH LY Pe osceni kinia a aiia a aaia 301 lockstitch Needle system Bel oeae vache sul coy nenn aee aE E Renner ALE Lean AEU EEEE SA E Fahne 134 35 Needle thickness in 1 100 mm Model gos 110 140 Max thread thickness synthetic 4 fele c e 20 3 Max stitch length MOG en TEETE TEA TTE A E MERERI 6 0 mm Mod l N8 8 0 mm Handwheel eff dia ausm een 80 mm Max Speedi anna see chapter 3 03 Dimensions of machine Length toune aaa aE A E e E EOE approx 570 mm WANE E approx 177 mm aed Rm approx 410 mm Clearance Width NS 265 mm Clearance height prr erret nennen rn ran EUER Enge he 115 mm Fabric clearance presser foot raised ccscccssssseccsseccesceeeecscaeeesseseeseaeessersesecsaeesssaees 14mm Net weight machine head sess approx 40 kg POWER SUP PI Ys sis nein nenn eines enue eens rege 190 240 V 50 60 Hz 1 phase Power Consumption luere eee eoe bae
36. ing the machine not wear loose fitting clothing or jewellery such as chains or rings also ensure that only authorized persons operate the machine always immediately report to the user any changes in the machine which may limit its safety Specialist personnel Specialist personnel are persons with a specialist education in the fields of electrics electronics and mechanics They are responsible for the lubrication maintenance repair and adjustment of the machine The specialist personnel is obliged to observe the following points and must always observe the Notes on Safety in the Instruction M anual switch off the On Off switch before carrying out adjustments or repairs and ensure that it cannot be switched on again unintentionally never work on parts which are still connected to the power supply Exceptions are contained only in the regulations EN 50110 when servicing or carrying out repairs on pneumatic devices remove the machine from the compressed air supply The only exceptions to this are function checks replace the protective coverings and close the electrical control box after all repairs or maintenance work PFAFF Safety 1 06 gt b b D Danger A working area of 1 metre 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 n
37. n be found on machines with Quick 1 motors When other motors are used the switch may not look 1 the same Fig 7 01 702 Pedals on machines with subclas 910 01 With the on off switch on O Machine stop 1 Sew 1 Trim thread on machines with thread trimmer 42 Raise presserfoot Fig 7 02 PFAFF 7 1 Controls 708 Pedal on machines with automatic presserfoot lifter 910 98 With the on off switch on O Machine stop 1 Sew 1 Raise presserfoot 2 Trim thread on machines with thread trimmer 1 2 Fig 7 03 704 Key on the machine head for machines with backtacking mechanism 911 97 Switch to reverse sewing by pressing key 1 while sewing Fig 7 04 7 2 PFAFF Controls 705 Lever for lifting the presser foot 706 Feed regulator reverse sewing Fig 7 06 The sewing foot can be lifted by raising lever 1 Adjust the stitch length by turning the knurled nut 1 accordingly Reverse sewing Press knurled nut 1 upwards as far as possible position R PFAFF Controls 797 Feed regulator on machines with backtacking mechanism 911 97 Fig 7 07 You can set the length of the reverse stitch as large as is required independen
38. ng the head Fig 10 05 iN Turn the machine off Unscrew the face plate Lubricate all bearings and moving parts marked inFig 10 05 twice a week Screw the face plate back on Only use oil with a mean viscosity of 22 0 mm s at 40 C and a density of 0 865 g cm at 15 C Vi We recommend PFAFF sewing machine oil Part no 280 1 120 144 FX 57 Lubricating the top feed drive excentric Fig 10 06 A Turn the machine off Open cover 1 on the back of the machine Grease nipple 2 at least once a year use grease gun Screw cover 1 back on Only use lithium base grease with a dripping point of 185 C and a worked penetration of 22 25 mm at 25 C gt A We recommeng Pfaff sewingmachine grease Part no 280 1 120 247 JE e ce ET PFAFF 10 4 Care and maintenance 10 07 10 08 Checking the air pressure Fig 10 07 Before each use of the machine check the air pressure on gauge 1 The gauge must display a pressure of 6 bar f necessary alter the pressure to this level To do so lift button 2 and turn it so that the gauge shows a pressure of 6 bar Press button 2 back down again Emptying Cleaning the water container of the air filter
39. ngth ModelBN and CN anaiaren ont lerne nter dete et ban dst eaa zr eR Ru LR ee 6 0 mm eres a lE EE 8 0 mm Eneas eff dia RSS 80 mm Mf eol seen eee see chapter 3 06 Dimensions of machine E 90 0 0 eee A approx 570 mm fone approx 177 mm mm sje g de nee endeten approx 410 mm Clearance width een Tn duce e sou irren 265 mm Clearance heighti nn teren 115 mm Fabric clearance presser foot raised essen 14 mm Net weight machine head sssnissirairisna nidii n nnne nennen nnns approx 40 kg POW GK SUN Ply PEE P tenets 190 240V 50 60 Hz 1 phase nde Tere aiU ingre uo E max 600 VA FUSS PrOLeCtlOn POR 1 x 16A delayed action Working air pressure isisisi sininen Henna aaa a Forte Ee ann nn ERE anaE 6 bar Air GonsurpLlo serseri rete pe dh ce Eaa Ei 0 81 work cycle Working noise level Emission at workplace ARP Uo HH mE 82 dB A Noise measurement in accordance with DIN 45 635 48 A 1 Subject to alteration Or comparable thicknesses of other thread types Possible models and subclasses Model gc ee For processing medium materials Model Ce q For processing medium heavy materials Additional equipment Subclass 900 56 u an une ernennen Thread trimmer Subclass 910 04 nat ae ts Automatic presserfoot lifter Subclass 911 35 sccsssevsss Bartacker PFAFF Specifications Max number of stitches min
40. on carrier plate 2 in accordance with the requirement O ii If the tension is correct release pin 3 must not be under pressure PFAFF 11 15 Adjustment 11 04 14 Thread check spring Requirement The movement of thread check spring 2 must be finished when the needle point enters the material approx 7 mm spring path Due to technical reasons the length of the thread check spring path can vary a little in either direction ZEN dubi Fig 11 14 Ps Thread the machine place test material under the presser foot and allow the presser foot to rest on the fabric using the presser foot lifter Loosenscrew 1 Sew afew stitches by tuming the handwheel and then bring the take up lever to its TDC Continue to tum the handwheel in its direction of rotation until the needle enters the material Inthis position bring stop 3 to rest on thread check spring 2 and tighten screw 1 11 16 PFAFF Adjustment 1104 15 Thread check spring on PFAFF 1246 with thread trimmer 900 56 Requirement The motion of thread controller springs 1 and 6 should cease as soon as the needle point penetrates the material about 7 mm spring deflection i Due to technical reasons the length of the thread check spring path can vary a little in either direction
41. on manual 8 01 05 Mounting tilt over safeguard Screw mount tilt over safeguard 1 included in the accessories with screw 2 Do not operate the machine without tilt over safeguard 1 Danger of crushing between upper part and table top Fig 8 06 PFAFF 8 3 Mounting and commissioning the machine 8 01 06 Mounting the spool holder Mount the spool holder as shown in g 3S Fig 8 05 Insert spool holder in the table top hole and fasten it by means of the included Q nuts aW J gt i Se 3 N oT amp Fig 8 05 8 01 07 Mounting the sewing lamp Screw the sewing lamp onto the table top wood screws 5x35 and have it connected by a specialist 4 The sewing lamp is not included in the normal delivery package PFAFF Mounting and commissioning the machine 8 02 Table top cutout 30_ B B 8 02 01 PFAFF 1245 ei WE o ET NW Fr 339 6 03 A PEREOS I3 __ RN i 27 901 A 7 8 22 gu I NT EA 99 136 657 55 6x 12 177 12 05 3x 91 032 329 05 2x 91 032 332 75 Stand position 906 3750 000 PFAFF
42. ongitudinal needle groove of the left hand needle must be pointing to the right and that of the right hand needle to the left Tighten needle retaining screws 1 The selection of the correct needle depends on the model of l the machine and the material and Fig 9 Ola d threads being sewn PFAFF 9 2 Preparation 9 03 Winding the bobbin thread adjusting the thread tension Fig 9 02 Place an empty bobbin 1 onto bobbin shaft 2 Thread the bobbin in accordance with Fig 9 02 and wind it clockwise around bobbin 1 a few times Switch on the bobbin winder while at the same time pressing bobbin winder spindle 2 and lever 3 o Jl The bobbin fills up while you are sewing The tension of the thread on bobbin 1 can be adjusted with knurled screw 4 The bobbin winder stops automatically when bobbin 1 is full If the thread is wound unevenly loosennutb5 Tum the thread guide 6 accordingly Tighten nut 5 PFAFF Preparation 9 04 9 05 Removing Threading the bobbin case Fig 9 03 A Turn the machine off Removing the bobbin case Open the bed slide Raise latch 1 and remove bobbin case 2 Inserting the bobbin case Insert bobbin case 2 so that it clicks into place Close latch 1 and close the bed slide Inserting the bobbin case Adjusting the bobbin thread tension
43. ous operation Check the water container of the air filter esssssssss daily before use Generalilubrication u een a aa E twice a week k brieate theifront parts een twice aweek Check the hook oil contalner iuc an once a week Clean the OOK sacs eio orte Persei nte a S E estin sane once a week Lubricate the top feed drive eccentric ssssssseeeenee Annually single shift operation If the machine is operated more than this shorter These maintenance intervals are calculated for the average running time of a intervals are recommended 10 02 Cleaning NS IN AN Turn the machine off Clean the hook compartment daily with a brush more often if in continuous operation Thoroughly clean the hook once a week Open the bed slide Bring the needle bar to its highest position Remove the bobbin case cap and the bobbin Unscrew hook gib 1 Turn the handwheel until point 2 penetrates into groove 3 approx 5 mm Inthis position remove bobbin case 4 Fig 10 8 Clean the hook race with paraffin When inserting the bobbin case ensure that horn 5 meshes in the groove of the needle plate see arrow Finally screw hook gib 1 back on Insert the bobbin case and close the bed slide 10 1 PFAFF Care and maintenance 10 03 General lubrication el Full
44. s for export are packaged in a crate or wrapped depending on how they are transported 5 02 Transport within the customer s premises The manufacturer carries no liability for transport within the customer s premises Care is to be taken to transport the machine in an upright position only 5 03 Disposal of the packaging The packaging of the machine consists of wood paper cardboard and VCE fibre The proper disposal of the packaging is the responsibility of the customer 5 04 Storage The machine can be stored for up to 6 months if not in use During this time it should be protected from dust and moisture For longer storage the individual parts of the machine especially the moving parts should be protected against corrosion e g by a film of oil BFAFF 5 1 Explanation of the symbols 6 Explanation of the symbols In the following section of this Instruction M anual certain tasks or important pieces of information are accentuated by symbols The symbols used have the following meanings Note information AS Cleaning care Lubrication greasing Servicing repairing adjustment maintenance only to be carried out by specialist personnel SR 6 1 PFAFF Controls 7 Controls 701 On off switch Turn the machine on and off by switching the on off switch 1 on and off When the machine is on the light in the switch is also on The switch in the illustration ca
45. se position and then activate engaging lever 2 Taking care to ensure that control lever 3 is engaged loosen the remaining screws on control cam 1 Continue turning the handwheel in its direction of rotation until the point of the needle is 12 mm above the needle plate In this position and taking care to ensure that control cam 1 is touching retaining collar 4 tum in the direction of rotation until you feel some resistance In this position tighten the accessible screws on control cam 1 Make the remaining screws on control cam 1 accessible and tighten these as well Carry out a check in accordance with the requirement PFAFF 11 27 Adjustment 1105 09 Catch Requirement With the cut off mechanism in resting position there must be a distance of approx 5 mm between catch 1 and control lever 6 Fig 11 25 P Lightly affix catch 1 and cover plate 2 using screws 3 Move catch 1 as far as possible in the direction of the arrow and then move it laterally in accordance with the requirement inthis position tighten screws 3 Using screws 5 screw plate 4 on EIU PFAFF Adjustment 11 05 10 Connecting rod for PFAFF 1246 only Requirement When the cutting device is in the off position the length of spacer rod 4 should be equal to the distance between shafts 2 and 3 Sm I E MO SM A amp KR ey CIN
46. stment 1104 1 Bobbin case opener On Model 1246 make these adjustments on both bobbin openers Requirement The needle thread must not be clamped between the bobbin case opener 1 and the bob bin case base 3 nor may it be clamped between projection 4 and the retaining trip of the needle plate see arrows Fig 11 11 p Thread the machine insert test material and allow the presser foot to rest on the needle plate Sew afew stitches by turning the handwheel and carry out a check in accordance with the requirement Turn bobbin case opener 1 screw 2 in accordance with the requirement PFAFF 1l 13 Adjustment 1104 12 Safety clutch A The safety clutch is set by the manufacturer and screws 5 are sealed If the thread jams the safety clutch snaps out to prevent damage to the hook A description of how to snap the clutch back in follows Fig 11 12 Ps Remove the jammed thread Press piston 1 and turn the handwheel until hook 3 of paw 2 clicks into groove 4 11 14 PFAFF Adjustment 1104 13 Needle thread tension release Requirement With the presser foot raised both of the tension discs must be at least 0 5 mm apart O The clearance of 0 5 mm is a minimum and can increase to more than 1 mm 1 when using thick threads Fig 11 13 Ps Align pressure plate 1 behind tensi
47. t of the forward stitch The forward stitch is set with knurled screw 1 and the reverse stitch with knurled screw 2 The options for setting the automatic start and end bartacks 1l are to be found in the instruction manual of the motor 708 Adjustment nut for the top feed stroke lt Fig 7 08 IN Turn the machine off Open cover 1 on the back of the machine loosen screw 2 and move as required PFAFF Mounting and commissioning the machine 8 01 8 01 01 Mounting and commissioning the machine The machine must only be mounted and commissioned by qualified personnel All relevant safety regulations are to be observed N 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 Mounting The necessary electricity and compressed air supplies must be available at the machine s location see specifications A stable and horizontal surface as well as sufficient illumination at the machine s location o Due to reasons of packaging the table top is lowered for transport The I following is a description of how to adjust the height of the table top Adjusting the table top height
48. the point of needle catcher 4 protrudes approx 3 mm over the cutting edge of the knife knife 3 must just touch thread catcher 4 m __ IE i Ty Rs di NM 1 Fig 11 27 Ps Loosen screws 2 Move knife 3 in such a way that it cannot collide with thread catcher 4 Taking care to ensure that screw 1 is loosened manually turn thread catcher 4 in accordance with requirement 2 Bring knife 3 to rest against thread catcher 4 and align it in accordance with requirement 1 In this position tighten screws 2 Screw 1 remains loosened for the following adjustment PFAFF 1l 31 Adjustment 1105 13 Thread catcher reverse position On Model 1246 make these adjustments on both thread catchers Requirement At the front point of reversal of thread catcher 3 its rear edge must be flush with the cutting edge of knife 4 see arrow Fig 11 28 Ps Taking care to ensure that screw 1 is loosened bring the machine to needle rise position and activate the engaging lever By continuing to turn the handwheel bring rock shaft 2 to its left point of reversal Maintaining this position tum thread catcher 3 in accordance with the requirement 11 32 PFAFF Adjustment In this position and taking care to ensure that there is no horizontal play tighten screw 1 PFAFF 11 33 Adjustment 1105 1
Download Pdf Manuals
Related Search