Owner's Manual
Page 4
Parts of the hobbylock 4870 (1) Upper thread tension - middle Mod key (right) (1 2) LED needle display A,B,C (13) Knife guard (14) Looper cover (1 5) Sewing foot (combination foot) (16) Needle plate (17) Adjusting ... right overedge looper (44) Positioning lever for speed selection (11) Program key-left Cursor key - left (6) Looper thread tension for chainstitch (7) Display (8) Window for the stitch length (9) Window for the differential feed (1 0) Key for the chainstitch looper (45) Lever to disengage needle plate (46) Screw to secure upper knife (47) Screw...
Parts of the hobbylock 4870 (1) Upper thread tension - middle Mod key (right) (1 2) LED needle display A,B,C (13) Knife guard (14) Looper cover (1 5) Sewing foot (combination foot) (16) Needle plate (17) Adjusting ... right overedge looper (44) Positioning lever for speed selection (11) Program key-left Cursor key - left (6) Looper thread tension for chainstitch (7) Display (8) Window for the stitch length (9) Window for the differential feed (1 0) Key for the chainstitch looper (45) Lever to disengage needle plate (46) Screw to secure upper knife (47) Screw...
Owner's Manual
Page 5
... other liquid. Special care is being used or where oxygen is required around the sewing machine needle. 12. Do not pull or push fabric while stitching. Do not reach for HOUSEHOLD use attachments recommended by the manufacturer. 14. Always unplug sewing machine from all controls to off (NO") when making any...
... other liquid. Special care is being used or where oxygen is required around the sewing machine needle. 12. Do not pull or push fabric while stitching. Do not reach for HOUSEHOLD use attachments recommended by the manufacturer. 14. Always unplug sewing machine from all controls to off (NO") when making any...
Owner's Manual
Page 8
...upper knife Display Elastic tape sewing foot Electrical connection Electronics Entering new data Foot control Free arm Gathering foot Gimp thread stitching foot Knob to adjust seam width Lace sewing foot LED needle display (A, B, C) Left overedge looper 4 Page 44... 73 71 25 76 38 15,16 Contents 2 thread overlook stitch........... 2 thread overlock with safety-stitch . 2 thread rolled/flat hem 3 thread overlook stitch 3 thread overlook with safety-stitch 3 thread rolled/flat hem 4 thread overlock stitch Accessories Accessory box Automatic threader Bead sewing foot Blindstitch foot Chainstitch ...
...upper knife Display Elastic tape sewing foot Electrical connection Electronics Entering new data Foot control Free arm Gathering foot Gimp thread stitching foot Knob to adjust seam width Lace sewing foot LED needle display (A, B, C) Left overedge looper 4 Page 44... 73 71 25 76 38 15,16 Contents 2 thread overlook stitch........... 2 thread overlock with safety-stitch . 2 thread rolled/flat hem 3 thread overlook stitch 3 thread overlook with safety-stitch 3 thread rolled/flat hem 4 thread overlock stitch Accessories Accessory box Automatic threader Bead sewing foot Blindstitch foot Chainstitch ...
Owner's Manual
Page 9
... test 23 Special accessories 68 - 76 Specifications 84 Speed pre-selection 37 Spool disc 67 Spool net. 67 Spool stands 11 Standard thread tension 42 Stitch length adjusting knob 26 Taping foot 69 Technical part 7 -3 Thread charts 54, 55 Thread cutter 24 Thread unreeling disc 67 Threading the looper 14 - 18...
... test 23 Special accessories 68 - 76 Specifications 84 Speed pre-selection 37 Spool disc 67 Spool net. 67 Spool stands 11 Standard thread tension 42 Stitch length adjusting knob 26 Taping foot 69 Technical part 7 -3 Thread charts 54, 55 Thread cutter 24 Thread unreeling disc 67 Threading the looper 14 - 18...
Owner's Manual
Page 11
... box / looper cover Threading the thread guides and the looper Threader Threading the needles Sewing foot lever Sewing test / thread cutter Seam width adjusting knob Stitch length adjusting knob Differential feed Changing the needle, sewing foot and needle plate Converting the machine for chainstitch seam Fixing the upper knife /sewing foot...
... box / looper cover Threading the thread guides and the looper Threader Threading the needles Sewing foot lever Sewing test / thread cutter Seam width adjusting knob Stitch length adjusting knob Differential feed Changing the needle, sewing foot and needle plate Converting the machine for chainstitch seam Fixing the upper knife /sewing foot...
Owner's Manual
Page 25
Pull the needle threads out of stitch). You can only sew with the threader. It is a lot easier to pull the looper threads if you turn to looper tensions (4,5 and 6) to 8 and ...
Pull the needle threads out of stitch). You can only sew with the threader. It is a lot easier to pull the looper threads if you turn to looper tensions (4,5 and 6) to 8 and ...
Owner's Manual
Page 28
oO / Securing the seam There are various ways of securing the ends of the seam. Knot the thread chain. 2. Sew about 2 inches over the thread cutter. Draw the thread chain that results to the front over the end of the seam. Turn the sewing round and sew back a few stitches in the opposite direction without cutting the thread chain. 24 With knitwear you must sew over the end of seams: 1. Thread cutter To use the thread cutter (26) you can pull the thread chain into the seam with a crochet needle. 3.
oO / Securing the seam There are various ways of securing the ends of the seam. Knot the thread chain. 2. Sew about 2 inches over the thread cutter. Draw the thread chain that results to the front over the end of the seam. Turn the sewing round and sew back a few stitches in the opposite direction without cutting the thread chain. 24 With knitwear you must sew over the end of seams: 1. Thread cutter To use the thread cutter (26) you can pull the thread chain into the seam with a crochet needle. 3.
Owner's Manual
Page 42
...The LEDs on the needle display (12) show which of stitch (program 1 to be inserted for the 10 most important 38 LED displays for the program you have selected. aea a a 000 000 II -ODD 0 .______ i PFAFF hobbylock 4870 Display This machine has the following 21 programs: Progr. ... thread overlock narrow 3 thread overlock wide 3 thread fiat hem 4 thread overlock chainstitch 2 thread overlock with safety-stitch wide 3 thread overiock with safety-stitch wide Wrapped 2 thread overlock narrow Wrapped 2 thread overlock wide 2 thread roiled hem Wrapped 3 thread overlook narrow ...
...The LEDs on the needle display (12) show which of stitch (program 1 to be inserted for the 10 most important 38 LED displays for the program you have selected. aea a a 000 000 II -ODD 0 .______ i PFAFF hobbylock 4870 Display This machine has the following 21 programs: Progr. ... thread overlock narrow 3 thread overlock wide 3 thread fiat hem 4 thread overlock chainstitch 2 thread overlock with safety-stitch wide 3 thread overiock with safety-stitch wide Wrapped 2 thread overlock narrow Wrapped 2 thread overlock wide 2 thread roiled hem Wrapped 3 thread overlook narrow ...
Owner's Manual
Page 43
Symbols above the display: Prog. = program number = stitch length = seam width = differential feed Lrit >. = sewing foot pressure = needle plate Symbols below the display: All the symbols under the display refer to the right. - ... automatically run on. 121 I-N--I-Nl---N--I-N-±N -101-1.01-N--I-N--I-N-- ,0000000000 000 000 t .. .. 5;. 0 0 ID ID ID 0000000000 ID ID 1 ID "C 000 ooo Ill DDD 0 / PFAFF If the mod key (11 right) is pressed the standard characteristics of the stitch are from the left to the thread tensions. They are displayed. right overedge looper (pink) -
Symbols above the display: Prog. = program number = stitch length = seam width = differential feed Lrit >. = sewing foot pressure = needle plate Symbols below the display: All the symbols under the display refer to the right. - ... automatically run on. 121 I-N--I-Nl---N--I-N-±N -101-1.01-N--I-N--I-N-- ,0000000000 000 000 t .. .. 5;. 0 0 ID ID ID 0000000000 ID ID 1 ID "C 000 ooo Ill DDD 0 / PFAFF If the mod key (11 right) is pressed the standard characteristics of the stitch are from the left to the thread tensions. They are displayed. right overedge looper (pink) -
Owner's Manual
Page 44
... can now set them . All the new data has now been entered and is retained when the machine is press ed, the display for the stitch length appears. I 00000 0 000 000 000 NN I-i d-lo H--N--I-N-I -N- If the mod key (11 right) is to the previously selected memory A, B, or C. ... course be changed at any program and store them as follows: 1. There are entered as standard settings for each program. They can now alter the stitch length with the program key (11 left ). 5. I N N-- I--N--I N- 11 00000000 r 4 00 000 000 Entering new data This machine has 21 programs. The ...
... can now set them . All the new data has now been entered and is retained when the machine is press ed, the display for the stitch length appears. I 00000 0 000 000 000 NN I-i d-lo H--N--I-N-I -N- If the mod key (11 right) is to the previously selected memory A, B, or C. ... course be changed at any program and store them as follows: 1. There are entered as standard settings for each program. They can now alter the stitch length with the program key (11 left ). 5. I N N-- I--N--I N- 11 00000000 r 4 00 000 000 Entering new data This machine has 21 programs. The ...
Owner's Manual
Page 45
Practical sewing Setting the standard thread tension Chainstitch 3 thread overlock with safety-stitch 3 thread overlock stitch 4 thread overlock stitch 2 thread overlock seam 2 thread overlock with safety-stitch Correction of thread tensions Converter (2 thread seam> Rolled/flat hem (2 and 3 thread> Thread chart Program chart page 42 page 43 page 43 page 43 page 44 page 44 page 44 page 45 - 48 page 49 - 51 page 52, 53 page 54, 55 page 56 - 63 41
Practical sewing Setting the standard thread tension Chainstitch 3 thread overlock with safety-stitch 3 thread overlock stitch 4 thread overlock stitch 2 thread overlock seam 2 thread overlock with safety-stitch Correction of thread tensions Converter (2 thread seam> Rolled/flat hem (2 and 3 thread> Thread chart Program chart page 42 page 43 page 43 page 43 page 44 page 44 page 44 page 45 - 48 page 49 - 51 page 52, 53 page 54, 55 page 56 - 63 41
Owner's Manual
Page 47
... Thread tensions: green = dot pink =dot yellow = dot Examples of use Joining seams on blouses shirts jeans and bed linen with safety stitch (narrow) Thread tensions blue = triangle green = dot pink =dot yellow = dot mauve = triangle Examples of use Joining linen or jeans... parts without ser ging top side i chainstitch iop side overlock stitch -to side / overlock stitch underside chainstitch. underside underside top side overiock stitch top side overlock stitch underside underside Prog. 21 3 thread overlock with serging seam.
... Thread tensions: green = dot pink =dot yellow = dot Examples of use Joining seams on blouses shirts jeans and bed linen with safety stitch (narrow) Thread tensions blue = triangle green = dot pink =dot yellow = dot mauve = triangle Examples of use Joining linen or jeans... parts without ser ging top side i chainstitch iop side overlock stitch -to side / overlock stitch underside chainstitch. underside underside top side overiock stitch top side overlock stitch underside underside Prog. 21 3 thread overlock with serging seam.
Owner's Manual
Page 48
... fabric, especially suited for stretch fabrics and for sewing FLATLOCK seams. topside I topside overlock stitch, top side overlock stitch, underside chainstitch underside underside Prog. 9 or 20 2 thread overlook with safety-stitch (wide or narrow) Thread tensions: blue = triangle green =dot yellow = dot mauve=... types of fabric, especially suitable for stretch fabrics. - top side overlock stitch, top side Prog. 7 4 thread overlook seam Thread tensions: blue =dot green =dot pink =dot yellow = dot overlock stitch underside underside Examples of use : For sewing and serging all types of ...
... fabric, especially suited for stretch fabrics and for sewing FLATLOCK seams. topside I topside overlock stitch, top side overlock stitch, underside chainstitch underside underside Prog. 9 or 20 2 thread overlook with safety-stitch (wide or narrow) Thread tensions: blue = triangle green =dot yellow = dot mauve=... types of fabric, especially suitable for stretch fabrics. - top side overlock stitch, top side Prog. 7 4 thread overlook seam Thread tensions: blue =dot green =dot pink =dot yellow = dot overlock stitch underside underside Examples of use : For sewing and serging all types of ...
Owner's Manual
Page 51
needle thread B Prog. 10 or 21 3 thread overlock with safety-stitch (wide or narrow) Since the 3 thread overlock with safetystitch is too loose. The blue tension must be turned to adjust these seams on pages 45 ... these seams on needle C is a combination of chainstitch and a 3 thread overlook seam, you can find the way to +. Prog. 9 or 20 thread overlook with safety-stitch (wide or narrow) Since the 2 thread overlock with safetystitch is too loose. Prog. 7 4 thread overlock seam The thread tension of needle B is a combination of chainstitch...
needle thread B Prog. 10 or 21 3 thread overlock with safety-stitch (wide or narrow) Since the 3 thread overlock with safetystitch is too loose. The blue tension must be turned to adjust these seams on pages 45 ... these seams on needle C is a combination of chainstitch and a 3 thread overlook seam, you can find the way to +. Prog. 9 or 20 thread overlook with safety-stitch (wide or narrow) Since the 2 thread overlock with safetystitch is too loose. Prog. 7 4 thread overlock seam The thread tension of needle B is a combination of chainstitch...
Owner's Manual
Page 58
chainstitch overiockstitch chainstitch overlock stitch cotton no. 80 - 100 silk no. 80 - 100 synthetic thread no. 70 - 140 cotton no. 60 - 100 silk no. 50 - 100 synthetic thread no. 70 - ... synthetic thread no .70-140 2 - 3 mm Mediumweight fabrics cotton, tricot, linen, children's fabrics • Heavy fabrics tweed, jacket-cloth, denim, heavy cloth knits 54 overlock stitch chainstitch overlock stitch . cotton no. 80 - 100 synthetic thread no . 70 - 140 3 - 4 mm 2 - 3 mm 3 - 4 mm 2 - 4 mm 2 -3 mm Thread chart for the 3 thread overlock seam with safety...
chainstitch overiockstitch chainstitch overlock stitch cotton no. 80 - 100 silk no. 80 - 100 synthetic thread no. 70 - 140 cotton no. 60 - 100 silk no. 50 - 100 synthetic thread no. 70 - ... synthetic thread no .70-140 2 - 3 mm Mediumweight fabrics cotton, tricot, linen, children's fabrics • Heavy fabrics tweed, jacket-cloth, denim, heavy cloth knits 54 overlock stitch chainstitch overlock stitch . cotton no. 80 - 100 synthetic thread no . 70 - 140 3 - 4 mm 2 - 3 mm 3 - 4 mm 2 - 4 mm 2 -3 mm Thread chart for the 3 thread overlock seam with safety...
Owner's Manual
Page 59
Thread chart for the 2, 3 and 4 thread overlock seam Fabric weight Thread Stitch length Light fabrics: organdy, fine tricot, taffeta, silk, lining fabric cotton no. 80 - 1 00 silk no. 80 - 1 00 synthetic thread no. 70 - 140 2,0 - 4,0 mm Medium-...
Thread chart for the 2, 3 and 4 thread overlock seam Fabric weight Thread Stitch length Light fabrics: organdy, fine tricot, taffeta, silk, lining fabric cotton no. 80 - 1 00 silk no. 80 - 1 00 synthetic thread no. 70 - 140 2,0 - 4,0 mm Medium-...
Owner's Manual
Page 60
.... The differential feed setting depends on the type of fabric (see page 54, 55) Needle thread tension Looper thread tension Sewing foot Stitch pressure length Prog. 1 2 thread tiatlock seam lnarrowl Prog. 2 2 thread flatlock seam wide) Prog. 3 2 thread flet hem... pink yellow mauve light medium 5 - +2 - - -5 +2 1-N N N heavy -5 +2 N-3 light 5 - +2 1-N - - - - Program no.: Stitch type Material (see page 28). All the pos sible types of stitch and the settings that are necessary are basic settings and must be altered or corrected depending on the type of...
.... The differential feed setting depends on the type of fabric (see page 54, 55) Needle thread tension Looper thread tension Sewing foot Stitch pressure length Prog. 1 2 thread tiatlock seam lnarrowl Prog. 2 2 thread flatlock seam wide) Prog. 3 2 thread flet hem... pink yellow mauve light medium 5 - +2 - - -5 +2 1-N N N heavy -5 +2 N-3 light 5 - +2 1-N - - - - Program no.: Stitch type Material (see page 28). All the pos sible types of stitch and the settings that are necessary are basic settings and must be altered or corrected depending on the type of...
Owner's Manual
Page 64
... 2 thread overtock seam (wide) $? heavy +1 +1 +3 +1 N medium Progil Wrapped 2 thread overiack light 1- -1 seam (narrow) medium 1- 1 - N-3 1N N N N-3 1-N N 1 to 1,5 N-3 1-N N N N-3 1-N N N-3 60 light medium heavy N 1 - overlock seam with light safety-stitch (wide) N N N N N N N N N N - N -1 N -1 Prog. 13 2 thread roiled hem light N N medium N N heavy Prog.14 Wrapped 3 thread overiock seam (narrow) light medium 1- 5 - +3 -1 -5 +3 heavy Prog.15 Wrapped 3 thread overlock light...
... 2 thread overtock seam (wide) $? heavy +1 +1 +3 +1 N medium Progil Wrapped 2 thread overiack light 1- -1 seam (narrow) medium 1- 1 - N-3 1N N N N-3 1-N N 1 to 1,5 N-3 1-N N N N-3 1-N N N-3 60 light medium heavy N 1 - overlock seam with light safety-stitch (wide) N N N N N N N N N N - N -1 N -1 Prog. 13 2 thread roiled hem light N N medium N N heavy Prog.14 Wrapped 3 thread overiock seam (narrow) light medium 1- 5 - +3 -1 -5 +3 heavy Prog.15 Wrapped 3 thread overlock light...
Owner's Manual
Page 66
...Material (see page 54, 551 Needle thread tension Looper thread tension Sewing foot Stitch pressure length iN Ni Ni Ni Prog, 16 3 thread decorative seam serging Inarrowl... Prog. 18 3 thread roted hem heavy light medium heavy Prog. 19 reinforced 2 thread overlock seam light medium heavy Prog. 20 2 thread overlock seam with safety-stitch lnarrow) light medium heavy Prog, 21 3 thread overlock seam with safety-stitch Inarrowl light medium heavy 62 blue green pink yellow mauve 5 - +1 +4 - - -5 +1 +4 1-N N N-3 5- +1 +4 1-N -5 +1 +4 N -5 +1 +4 N-3 N N +3 1-N N N...
...Material (see page 54, 551 Needle thread tension Looper thread tension Sewing foot Stitch pressure length iN Ni Ni Ni Prog, 16 3 thread decorative seam serging Inarrowl... Prog. 18 3 thread roted hem heavy light medium heavy Prog. 19 reinforced 2 thread overlock seam light medium heavy Prog. 20 2 thread overlock seam with safety-stitch lnarrow) light medium heavy Prog, 21 3 thread overlock seam with safety-stitch Inarrowl light medium heavy 62 blue green pink yellow mauve 5 - +1 +4 - - -5 +1 +4 1-N N N-3 5- +1 +4 1-N -5 +1 +4 N -5 +1 +4 N-3 N N +3 1-N N N...
Owner's Manual
Page 71
.... 3. Raise sewing foot and place tape in relation to the needle with the slide 2. 4. Insert fabric and sew a test seam. / 69 Preparing the machine: Program: Stitch length: Stitch width: Differential setting: Sewing foot pressure: Needle plate: Thread tension: Sewing foot: Upper knife: 4 or 5 depending on the width of 4- 9 mm) N N normal needle plate...
.... 3. Raise sewing foot and place tape in relation to the needle with the slide 2. 4. Insert fabric and sew a test seam. / 69 Preparing the machine: Program: Stitch length: Stitch width: Differential setting: Sewing foot pressure: Needle plate: Thread tension: Sewing foot: Upper knife: 4 or 5 depending on the width of 4- 9 mm) N N normal needle plate...