Owner's Manual
Page 4
... Mounting the spool holder Mounting the sewing lamp Commissioning the machine Switching the machine on/off Preparation Inserting the needle in the PFAFF 1245 Inserting the needle in the PFAFF 1246 Winding the bobbin thread, adjusting the thread tension Removing/Threading the bobbin case Inserting the bobbin case / Adjusting the bobbin thread tension Threading the needle thread / Adjusting the needle thread tension in the PFAFF 1245 Threading the needle thread I Adjusting the needle thread tension in the PFAFF 1246 Care and maintenance Servicing and maintenance intervals Cleaning General...
... Mounting the spool holder Mounting the sewing lamp Commissioning the machine Switching the machine on/off Preparation Inserting the needle in the PFAFF 1245 Inserting the needle in the PFAFF 1246 Winding the bobbin thread, adjusting the thread tension Removing/Threading the bobbin case Inserting the bobbin case / Adjusting the bobbin thread tension Threading the needle thread / Adjusting the needle thread tension in the PFAFF 1245 Threading the needle thread I Adjusting the needle thread tension in the PFAFF 1246 Care and maintenance Servicing and maintenance intervals Cleaning General...
Owner's Manual
Page 5
... machine Positioning the feed dog across the direction of sewing Positioning the feed dog in the direction of sewing Height of the bottom feed-dog Pre-adjusting the needle height Centering the needle in the needle hole Lifting motion of the bottom feed-dog Driving motion of the bottom and top feeds Hook-to-needle clearance, needle rise, needle height and needle guard Top-feed stroke Lifting motion of the top feed Bobbin-case opener Safetyclutch Needle thread tension release Thread check spring Thread check spring on PFAFF 1246 with thread trimmer -900/56 Bobbin winder Presser-foot pressure...
... machine Positioning the feed dog across the direction of sewing Positioning the feed dog in the direction of sewing Height of the bottom feed-dog Pre-adjusting the needle height Centering the needle in the needle hole Lifting motion of the bottom feed-dog Driving motion of the bottom and top feeds Hook-to-needle clearance, needle rise, needle height and needle guard Top-feed stroke Lifting motion of the top feed Bobbin-case opener Safetyclutch Needle thread tension release Thread check spring Thread check spring on PFAFF 1246 with thread trimmer -900/56 Bobbin winder Presser-foot pressure...
Owner's Manual
Page 6
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 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...
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 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...
Owner's Manual
Page 7
... operating personnel at your PFAFF agent. 'FAFF 1-2 Danger of injury for the first time. • The operating and specialist personnel is the obligation of the safety mechanisms are removed or deactivated. • It is to ensure that only authorized persons operate and work on the machine. Safety 1.04 Important points for the user • This Instruction Manual is a component part of the machine...
... operating personnel at your PFAFF agent. 'FAFF 1-2 Danger of injury for the first time. • The operating and specialist personnel is the obligation of the safety mechanisms are removed or deactivated. • It is to ensure that only authorized persons operate and work on the machine. Safety 1.04 Important points for the user • This Instruction Manual is a component part of the machine...
Owner's Manual
Page 8
... Safety in the Instruction Manual! • never use any changes in the machine which are still connected to this are function checks. • replace the protective coverings and close the electrical control box after all repairs or maintenance work! 1-3 PFAFI Exceptions are contained only in the regulations EN 50110. • when servicing or carrying out repairs on pneumatic devices, remove the machine from the compressed...
... Safety in the Instruction Manual! • never use any changes in the machine which are still connected to this are function checks. • replace the protective coverings and close the electrical control box after all repairs or maintenance work! 1-3 PFAFI Exceptions are contained only in the regulations EN 50110. • when servicing or carrying out repairs on pneumatic devices, remove the machine from the compressed...
Owner's Manual
Page 9
... kept free both in the needle plate area while adjusting the machine settings! V Danger of injury due to a standstifll Danger of injury! Never leave objects on the table or in front of injury by the needle! I," A I," Never reach into the sewing area while sewing! A Do not operate the machine without the take -up lever guard 1! A /f\ On mechanically activated clutch motors without an actuating lock, wait...
... kept free both in the needle plate area while adjusting the machine settings! V Danger of injury due to a standstifll Danger of injury! Never leave objects on the table or in front of injury by the needle! I," A I," Never reach into the sewing area while sewing! A Do not operate the machine without the take -up lever guard 1! A /f\ On mechanically activated clutch motors without an actuating lock, wait...
Owner's Manual
Page 12
...: ModeIC' Max. dia.: Max. stitch length: Model N Model N8 Handwheel eff. Specifications 3 Specifications• 3.01 PFAFF 1245 Stitch type: Needle system Needle thickness in accordance with DIN 45 635-48-A-i 82d8(A) 3.02 3-1 • Subiect to alteration A Or comparable thicknesses of machine: Length Width Height Clearance width Clearance height Fabric clearance (presser foot raised) Net weight (machine head): Power supply Power consumption Fuse protection Working air pressure Air consumption approx. 570 mm...
...: ModeIC' Max. dia.: Max. stitch length: Model N Model N8 Handwheel eff. Specifications 3 Specifications• 3.01 PFAFF 1245 Stitch type: Needle system Needle thickness in accordance with DIN 45 635-48-A-i 82d8(A) 3.02 3-1 • Subiect to alteration A Or comparable thicknesses of machine: Length Width Height Clearance width Clearance height Fabric clearance (presser foot raised) Net weight (machine head): Power supply Power consumption Fuse protection Working air pressure Air consumption approx. 570 mm...
Owner's Manual
Page 14
dia Max. thread thickness (synthetic'): Model B Model C Max. speed Dimensions of other thread types 3o5 Possible models and subc'asses Model B Model C Additional equipment: Subclass -900/56 Subclass -910/04 Subclass -911/35 For processing medium materi For processing medium-heavy materi Thread trimrr Automatic presser-foot hf Bartac) 3-3 PFA stitch length: Model BN and CN Model CN8 Handwheel eff. Specifications 3o4 PFAFF 1246 Stitch type Needle system: Needle thickness in accordance with DIN 45...
dia Max. thread thickness (synthetic'): Model B Model C Max. speed Dimensions of other thread types 3o5 Possible models and subc'asses Model B Model C Additional equipment: Subclass -900/56 Subclass -910/04 Subclass -911/35 For processing medium materi For processing medium-heavy materi Thread trimrr Automatic presser-foot hf Bartac) 3-3 PFA stitch length: Model BN and CN Model CN8 Handwheel eff. Specifications 3o4 PFAFF 1246 Stitch type Needle system: Needle thickness in accordance with DIN 45...
Owner's Manual
Page 19
7 Controls 7.01 On/off switch ;- 0 N N N ®\ Controls • Turn the machine on and off by switching the on/off switch 1 on and off switch on 0 Machine stop +1 = Sew 1- = Trim thread (on machines with thread trimmer) +2 0 +2 = Raise presserfoot +1 -1 Fg. 7-02 FAFF 7-1 The switch in the switch is also on. When the machine is on, the light in the illustration can be found on machines with subclas -910/01) With the on machines with Quick motors. When other motors are used, the switch may not look the same. Fi 7O1 7.02 Pedals (on /off .
7 Controls 7.01 On/off switch ;- 0 N N N ®\ Controls • Turn the machine on and off by switching the on/off switch 1 on and off switch on 0 Machine stop +1 = Sew 1- = Trim thread (on machines with thread trimmer) +2 0 +2 = Raise presserfoot +1 -1 Fg. 7-02 FAFF 7-1 The switch in the switch is also on. When the machine is on, the light in the illustration can be found on machines with subclas -910/01) With the on machines with Quick motors. When other motors are used, the switch may not look the same. Fi 7O1 7.02 Pedals (on /off .
Owner's Manual
Page 23
... machines with an automatic presser-foot lifter) 8-1 All relevant safety regulations are to use can be mounted and commissioned by qualified personnel! If the machine is lowered for transport. o L Due to adjust the height of the table top. 8.oi.oi Adjusting the table-top height 'FAFF Fig. 8-01 • Loosen screws 1 and 2. • Set the desired table-top height and tighten screws 1 well. • Adjust the position...
... machines with an automatic presser-foot lifter) 8-1 All relevant safety regulations are to use can be mounted and commissioned by qualified personnel! If the machine is lowered for transport. o L Due to adjust the height of the table top. 8.oi.oi Adjusting the table-top height 'FAFF Fig. 8-01 • Loosen screws 1 and 2. • Set the desired table-top height and tighten screws 1 well. • Adjust the position...
Owner's Manual
Page 24
Fig. 8 02 Fig. 8 - 02 shows a Quick motor. Mounting and commissioning the machine 8.01.02 Adjusting the V-belt tension • Loosen nuts 1. • Tighten the V-belt with belt take-up hanger 2. • Tighten nuts 1. If another motor is used, proceed as describE in the motor's instruction manual. 8.01.03 Mounting the upper V-belt guard • Attach both halves of the belt-guard witl screws 1, 8-2 Fig 8-03 PFAI
Fig. 8 02 Fig. 8 - 02 shows a Quick motor. Mounting and commissioning the machine 8.01.02 Adjusting the V-belt tension • Loosen nuts 1. • Tighten the V-belt with belt take-up hanger 2. • Tighten nuts 1. If another motor is used, proceed as describE in the motor's instruction manual. 8.01.03 Mounting the upper V-belt guard • Attach both halves of the belt-guard witl screws 1, 8-2 Fig 8-03 PFAI
Owner's Manual
Page 30
... you are sewing. • The tension of the thread on the bobbin winder while at the same time pressing bobbin winder spindle 2 and lever 3. Preparation 9.03 Winding the bobbin thread, adjusting the thread tension • 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 bobbin 1 can be adjusted with knurled screw 4. • The bobbin winder stops automatically when bobbin 1 is wound...
... you are sewing. • The tension of the thread on the bobbin winder while at the same time pressing bobbin winder spindle 2 and lever 3. Preparation 9.03 Winding the bobbin thread, adjusting the thread tension • 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 bobbin 1 can be adjusted with knurled screw 4. • The bobbin winder stops automatically when bobbin 1 is wound...
Owner's Manual
Page 31
... in the direction of the arrow. Fig. 9-04 9-4 Inserting the bobbin case. • Insert bobbin case 2 so that it clicks into place. • Close latch 1 and close the bed slide. 9.05 PFAFF Inserting the bobbin case / Adjusting the bobbin thread tension A / \ Turn the machine off ! Removing the bobbin case. • Open the bed slide. • Raise latch 1 and remove bobbin case 2. Regulating the bobbin thread tension. • Regulate the bobbin thread tension with + screw 1. Preparation 9.04 Removing/Threading the bobbin case A / \ Turn the machine off !
... in the direction of the arrow. Fig. 9-04 9-4 Inserting the bobbin case. • Insert bobbin case 2 so that it clicks into place. • Close latch 1 and close the bed slide. 9.05 PFAFF Inserting the bobbin case / Adjusting the bobbin thread tension A / \ Turn the machine off ! Removing the bobbin case. • Open the bed slide. • Raise latch 1 and remove bobbin case 2. Regulating the bobbin thread tension. • Regulate the bobbin thread tension with + screw 1. Preparation 9.04 Removing/Threading the bobbin case A / \ Turn the machine off !
Owner's Manual
Page 39
...top feed stroke 7mm) (Part No.61-111 630-14) • Needles, system 134-35 • Sewing thread and test material 11.02 Notes on adjusting Ammamlrlaaeecacnthdhtoiiijonnubneesetemawdlnohedhoincesmthresenu.hiensaTdtvthohebeneetlssoyfceorbbreaeeewdmrcjseuaamrsakrtniomiendvdgeenndotuthutaetisnnbadisnytdrrjbuaeurcppsatlpticamorkconeeesptdnsrtaifr(aoae)tnreadbclryahetsiegtaecrhtdkattasieoncnnaehendmadd cesaapongdmetajscuipnisoaltfewlmitmeshetleansycn.thiCwntihnsooteevarkleaplredaasdjrruteossnntwmothhteeincht is complete. 11.03 Abbreviations TDC top dead center BDC bottom dead center PFAFF 11...
...top feed stroke 7mm) (Part No.61-111 630-14) • Needles, system 134-35 • Sewing thread and test material 11.02 Notes on adjusting Ammamlrlaaeecacnthdhtoiiijonnubneesetemawdlnohedhoincesmthresenu.hiensaTdtvthohebeneetlssoyfceorbbreaeeewdmrcjseuaamrsakrtniomiendvdgeenndotuthutaetisnnbadisnytdrrjbuaeurcppsatlpticamorkconeeesptdnsrtaifr(aoae)tnreadbclryahetsiegtaecrhtdkattasieoncnnaehendmadd cesaapongdmetajscuipnisoaltfewlmitmeshetleansycn.thiCwntihnsooteevarkleaplredaasdjrruteossnntwmothhteeincht is complete. 11.03 Abbreviations TDC top dead center BDC bottom dead center PFAFF 11...
Owner's Manual
Page 44
... presser 1 and presser foot 2. • Set stitch length ,,0" and bring the needle bar to its TDC. • Insert a new needle. The movement of needle bar frame 7 in guide 9 and of the top feed drive bars must enter the needle hole exactly in the middle. 11 6 - Adjustment 11.04.05 Centering the needle in the needle hole Requirement With the stitch length set at ,,0', the needle must not be stiff. PFAFF Loosen screws 3, 4, 5 and 6. • Position the needle directly over the bottom feed dog...
... presser 1 and presser foot 2. • Set stitch length ,,0" and bring the needle bar to its TDC. • Insert a new needle. The movement of needle bar frame 7 in guide 9 and of the top feed drive bars must enter the needle hole exactly in the middle. 11 6 - Adjustment 11.04.05 Centering the needle in the needle hole Requirement With the stitch length set at ,,0', the needle must not be stiff. PFAFF Loosen screws 3, 4, 5 and 6. • Position the needle directly over the bottom feed dog...
Owner's Manual
Page 47
Adjustment 11 .04.08 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 bar on model ,,B' and 2.0mm after BDC of rotation until the 11 - 9 The needle guard must lightly touch the needle. 4 1 'FAFF • Set stitch length ,,3' and loosen screws 1 and 2 (also loosen screws 3 on machines with automatic thread trimmer -900/561. • Move hook bearing 4 in accordance with...
Adjustment 11 .04.08 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 bar on model ,,B' and 2.0mm after BDC of rotation until the 11 - 9 The needle guard must lightly touch the needle. 4 1 'FAFF • Set stitch length ,,3' and loosen screws 1 and 2 (also loosen screws 3 on machines with automatic thread trimmer -900/561. • Move hook bearing 4 in accordance with...
Owner's Manual
Page 50
...; • Allow presser foot 1 to rest Loosen screws 2 until feed Turn feed lifting eccentric 3 on its in accordance with the requirement. Adjustment 11.04.10 Lifting motion of the top feed Requirement When presser foot point of the needle 1 is resting on the needle plate, the must both reach the needle plate at vibrating presser foot the same time when 4 and the the top feed stroke is set at maximum.
...; • Allow presser foot 1 to rest Loosen screws 2 until feed Turn feed lifting eccentric 3 on its in accordance with the requirement. Adjustment 11.04.10 Lifting motion of the top feed Requirement When presser foot point of the needle 1 is resting on the needle plate, the must both reach the needle plate at vibrating presser foot the same time when 4 and the the top feed stroke is set at maximum.
Owner's Manual
Page 51
Fig. 1 1 . 1 1 • Thread the machine, insert test material and allow the presser foot to rest 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). AFF 11 - 13 Adjustment 11.04.11 Bobbin-case opener (On Model 1246 make these adjustments on the needle plate. • Sew a few stitches by...
Fig. 1 1 . 1 1 • Thread the machine, insert test material and allow the presser foot to rest 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). AFF 11 - 13 Adjustment 11.04.11 Bobbin-case opener (On Model 1246 make these adjustments on the needle plate. • Sew a few stitches by...
Owner's Manual
Page 54
In this position, bring the rotation) until take-up lever to its TDC. the needle enters the • material. Adjustment 11.04.14 Thread check spring RTmheaeqteumriiaroelvm(eamepnpetrnotxo. g 2 must be finished when the needle point enters the Due to technical reasons, the length of then bring stop 3 to rest on the fabric using the presser foot lifter. • • • Loosen screw 1 Sew a few stitches by...
In this position, bring the rotation) until take-up lever to its TDC. the needle enters the • material. Adjustment 11.04.14 Thread check spring RTmheaeqteumriiaroelvm(eamepnpetrnotxo. g 2 must be finished when the needle point enters the Due to technical reasons, the length of then bring stop 3 to rest on the fabric using the presser foot lifter. • • • Loosen screw 1 Sew a few stitches by...
Owner's Manual
Page 72
... requirement 1 • Hook spring 3 back in the middle of its adjustment range and parallel to the bedplate of thread catcher 4, there must be inserted and removed from the hook without any interference.. 6 1 11 - 34 Fig. 11 '29 • Align carrier 1 (screws 2) in such a way that it is in again. Adjustment 11.05.14 Bobbin-thread clamp spring (On Model 1246 make these adjustments on both clamp springs.) Requirement 1. oAf1lf2ut...
... requirement 1 • Hook spring 3 back in the middle of its adjustment range and parallel to the bedplate of thread catcher 4, there must be inserted and removed from the hook without any interference.. 6 1 11 - 34 Fig. 11 '29 • Align carrier 1 (screws 2) in such a way that it is in again. Adjustment 11.05.14 Bobbin-thread clamp spring (On Model 1246 make these adjustments on both clamp springs.) Requirement 1. oAf1lf2ut...
