Pfaff hobbylock 787 Owner's Manual
Pfaff hobbylock 787 Manual
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- Pfaff hobbylock 787 | Owner's Manual - Page 1
p fr: \ hobbylock 787 • 788 Instruction manual - Pfaff hobbylock 787 | Owner's Manual - Page 2
the needle area, such as threading needle, changing needle, threading bobbin, or changing presser foot, etc. 16. Always unplug sewing machine from the electrical outlet when removing covers, lubricating, or when making any other user servicing adjustments mentioned in the instruction manual. winding - Pfaff hobbylock 787 | Owner's Manual - Page 3
the sewing machine Accessory box Electrical connection Master switch and sewing light Foot control Notes on safety How to handle the thread Opening the looper cover spool stand and the swivel-type work support. Threading guide wires 18 and 22 Threading the right looper Threading the left - Pfaff hobbylock 787 | Owner's Manual - Page 4
(0 - Pfaff hobbylock 787 | Owner's Manual - Page 5
14 Sewing foot 1 5 Needle holder 1 6 Sewing foot lifting lever 1 7 Thread spool holder 18 Color-coded thread guides 1 9 Telescopic thread guide bar 20 Machine socket 21 Master switch 22 23 Rear thread guide (4x) Differential feed adjustment knob (Hobbylock 788) 24 25 26 Accessory box - Pfaff hobbylock 787 | Owner's Manual - Page 6
. The accessory box can only be inserted in its compartment when held as shown in the illustration at left. The guide groove is up and the projection of the box faces the machine. Electrical connection Use this machine only on a flat surface or on a special machine table. Connecting foot control 28 - Pfaff hobbylock 787 | Owner's Manual - Page 7
switched on. Switching off: Press switch again. Machine and sewing light are switched off. Foot contro' The speed of the Hobbylock is regula ted as follows: The more you press the foot control down, the faster the machine will sew. Electronic foot control Maximum speed can be pre-selected in two - Pfaff hobbylock 787 | Owner's Manual - Page 8
1 as far as it will go in the direction indicated by the arrow. \ - Fully extend telescopic thread guide bar 19. Slowly turn the two upper tele scopic sections until you hear their detent balls snap in place. After use fold up telescopic thread guide bar 19. read spool stand (with or machine. 6 - Pfaff hobbylock 787 | Owner's Manual - Page 9
(Hobbylock 788) is illustrated with its slide settings for the respective stitch type. On the inside of the looper cover the individual threading paths are illustrated in colors. lmportantl While the ooøer cover or work support s open, power supply to the machine is inrorrupted. Threading of guide - Pfaff hobbylock 787 | Owner's Manual - Page 10
CD D ao U 7) CD - U) O(DCD D CD a U)3CD "U)CD •c CDm -, CD CD a DC a cT -CD CD -1 -l 0 CDZT CD o CD D ci CO CD o ci .CflCD -. D CD 1 TC - O •-" U) 3CD 0 CD C) Z O CD __< lCD C CD ciCD - co 0 co 0 •0 • CD - Pfaff hobbylock 787 | Owner's Manual - Page 11
Threadng the left looper Thread left looper 32 (yellow thread j path) in sequence 1 to 6. From thread guide 6 pull the thread through looper eye 7. / z/__w__J 1 Align the mark on handwheel 9 with the mark on the housing. Tauten the thread a little and place it in thread guide B by means of - Pfaff hobbylock 787 | Owner's Manual - Page 12
desc ribed on the next page. Threading the left needle Threading of guide wires 18 and 22 is shown on page 7. In the left-hand illustration the threa ding path is shown from blue tension 1 up to left needle eye 6. Thread the needle from the front. The use of needle threader 42 is desc ribed on the - Pfaff hobbylock 787 | Owner's Manual - Page 13
in the machine and the new threads to-gether. Pull the needle threads out of the needles. Now pull at the thread ends until the knots are about 1 5 cm past the last thread guide before the needles. Cut the knots off and pull the threads through the respective needle eyes. The looper threads can be - Pfaff hobbylock 787 | Owner's Manual - Page 14
After threading the machine, push handle 2 down, and close work support 12 and looper cover 1 0. Inserting the lint box: Insert the two tabs of lint box 8 down wards in the recess of looper cover 10. Then push the bottom of the box against the machine. For removal of the lint box, use the revese - Pfaff hobbylock 787 | Owner's Manual - Page 15
test should be made. Raise sewing foot lever 16, as shown in the illustration. Hold the thread ends with your left hand while turning the hand wheel with your right hand in the direction indica ted by the arrow on the wheel. Hold the threads taut and lay them back under sewing foot 14. Make sure the - Pfaff hobbylock 787 | Owner's Manual - Page 16
observe during sewing Sew the first stitches slowly. If the machine has been rethreaded, place the fabric under sewing foot 14 and push it up to the needle before starting to sew. Since the fabric is fed automatically, do not pull or push the fabric. Use your hands for guiding only. Thread cutter In - Pfaff hobbylock 787 | Owner's Manual - Page 17
Face side ;1 .:.• thread Reverse side Left \ looper thread Right needle thread Left needle thread Setting the standard thread tension N Optimum seam appearance depends on the type of fabric used, on the thread size, and on the thread tension setting. Set the N on the thread tension dials - Pfaff hobbylock 787 | Owner's Manual - Page 18
it is dec reased. The left needle thread A is too loose (blue thread tension). The right needle thread B is too loose (green thread tension). 1. The right looper thread C is too tight (red thread tension). 2. The left looper thread 0 is too loose (yellow thread tension(. 3. Both tensions must be - Pfaff hobbylock 787 | Owner's Manual - Page 19
must be set at its right position B (see p. 18). The 3-thread overedge seam is sewn with two looper threads and one needle thread. Seam width adjustments at adjustment knob 26 (3 to 5 mm) only refer to the right needle. When the left needle is used, the set value is increased by 2.2 mm (seam width - Pfaff hobbylock 787 | Owner's Manual - Page 20
A +-.B 18 Engaging the converter (HL 788) For the Hobbylock 787 the converter is available as a special accessory part (see p. 42 and 46). Turn the hand wheel until right looper 31 is positioned right of the needle. For sewing with converter 41 the right looper thread must be cut off and pul led - Pfaff hobbylock 787 | Owner's Manual - Page 21
left-hand llustration shows the 2-thread oeredge seam with correctly set thread tensions. Possible correction requirements: 1. Looper read A is too loose (yellow thread tension>. 2. Needle thread B is too tight (blue or green thread tension>. 3. Both tensions have to be corrected. 1. Looper thread - Pfaff hobbylock 787 | Owner's Manual - Page 22
No. 40-60 Silk No. 40-60 Synthetic thread No. 70-140 Polyester thread No. 1 20-140 Mercerized thread 2.0 to 5.0 mm (787) 2.0 to 4.0 mm (788) 1 .0 to 2.0 mm Setting the stitch length on the Hobbylock 788 with differential feed Open work support 1 2. Hold hand wheel 9 fast and set stitchlength - Pfaff hobbylock 787 | Owner's Manual - Page 23
Hobbylock 788 The differential feed prevents inter-ply shift. It consists of two feed dogs, arranged one behind the other, which both pick up and move the workpiece at the same time tely from 0.5 to 2, also during sewing. Note: The following variants can be elastic fabrics are processed. 21 - Pfaff hobbylock 787 | Owner's Manual - Page 24
Hobbylock 788. In order to make sure about the setting required for the fabric you wish to process, a sewing test has to be made. - The differential feed can also be set during sewing , light knittings 1.5 to 2 4 f Heavy knitwear, very elastic fabrics, rib stitch goods a c Fig,1 Fig. 3 22 Fig - Pfaff hobbylock 787 | Owner's Manual - Page 25
again and close the looper cover. When sewing thick materials, tighten screw 37 of the upper knife arresting system securely (see p. 32). Sew a test seam, Note: The seam width adjustments made at adjustment knob 26 (3 to 5 mm) only refer to the right needle. When the left needle is used the value - Pfaff hobbylock 787 | Owner's Manual - Page 26
H of the sewing foot holder. Changing the light bulb: Pull out the mains plug. Loosen lamp cover retaining screw 38. Open the lamp cover. Behind it, the light bulb of the sewing light is situated. Removing the light bulb: Push the light bulb upwards and turn it fully to the left. Inserting the - Pfaff hobbylock 787 | Owner's Manual - Page 27
loosening the cover, then remove it towards the front. Set the 4 thread tensions at - 5. Use the cleaning brush (accessories) to remove dust and lint from between the tension discs of the 4 tensions. Reset all thread tensions to N. or to the values set before cleaning. '- / ,-- - (9 I ,- --EZEE - Pfaff hobbylock 787 | Owner's Manual - Page 28
side MW Fold-over 3-thread roiled hem sewn with polyester thread 120 -140. A rolled hem is used for light, delicate fabrics and is an attractive finish for open edges. Without any effort you can sew professional rolled hems on neck scarves, shawls and valances. This rolled hem is sewn with three - Pfaff hobbylock 787 | Owner's Manual - Page 29
hem with polyester thread Preparation of the sewing machine: Needle: Sewing foot: Seam width: Stitch length: Thread: remove left needle / insert right needle engage rolled-hem foot ,,R" from 3.0 to 4.0 mm (depending on material) from 1 .0 to 2.0 mm (short stitch length) polyester thread 120-140 - Pfaff hobbylock 787 | Owner's Manual - Page 30
p. 181. Needle: insert right needle Sewing foot: rolled-hem sewing foot Seam width: N (3.5 mm> Stitch length: 1 .0 to 2.0 mm For the Hobbylock 787 the converter is available as special accessory part (see p. 42 and 46>. 2-thread rolled hem A 2-thread rolled hem requires less thread and the - Pfaff hobbylock 787 | Owner's Manual - Page 31
machines: System 130/705 H (75-90) Adsiezltpeheounusdgeshd,otnhweethcreoecrmroeamcttemrnieaenleddalnendesetihdzeele thread size 75-90. An incorrectly inserted cause thread breakage needle will and skipped stitches. Changing the knives The top and bottom knives are available as spare parts - Pfaff hobbylock 787 | Owner's Manual - Page 32
page 23. Insert the new upper knife and tighten its retaining screw securely. Reset upper knife to its cutting position. Set upper knife with knife guide 27 up (cutting position>. Turn the handwheel until the upper knife is at its lowest position. In this position, the front edge of the upper - Pfaff hobbylock 787 | Owner's Manual - Page 33
screw down retaining screw 34 together with the pressure tab. Align the cutting edge of the lower knife so that it is flush with the needle plate surface. Before tightening the retaining screw, align the pressure tab. Reset the upper knife to cutting position. Set the required seam width at adjust - Pfaff hobbylock 787 | Owner's Manual - Page 34
thicknesses: On this machine, all kinds of fabric from extremely thin to extremely thick can be processed. When sewing extre mely thick fabrics By tightening screw 37, the upper knife is arrested axially. Note: When sewing thin or medium fabrics, screw 37 of the upper knife arresting system must be - Pfaff hobbylock 787 | Owner's Manual - Page 35
Oiling the machine: Every time before you take the machine into operation, you should apply a little oil to the places indicated. The bus hings and other important moving parts are made of special material and need to be oiled only once or twice a month. One to two drops of PFAFF sewing machine oil - Pfaff hobbylock 787 | Owner's Manual - Page 36
for the 2-needle 3-thread overedge closing seam the slide of converter 41 (HL 788) must be set at position A. For HL 787 the converter is available as a special accessory part (see p. 42 and 46). Stitch type Fabric (see table on p 20) Needle thread tension Looper thread tension Needle-System - Pfaff hobbylock 787 | Owner's Manual - Page 37
oo 6uiws weq po WW ZL O 99 JO SLflP!M WS JO N 'J 6U1MS ww 9 o 17 JO Sqp!M WS JOJ N OOJ 6U!M89 ww 9 O E O sqpiM WEeS JO EN 004 6U!MES - Pfaff hobbylock 787 | Owner's Manual - Page 38
type (see table on p. 20) Needle thread tension Looper thread tension Needle-System 15 1 H 2-thread rolled hem narrow) light medium blue green 2 - 2 - red yellow [A B - 1 to N - 1 to N Size Folded 2-thread roiled hem light medium F 3-thread overedge seam (narrow) light medium - Pfaff hobbylock 787 | Owner's Manual - Page 39
c) - Pfaff hobbylock 787 | Owner's Manual - Page 40
Stitch type (se:tle on p 20) Needle thread tension Looper thread tension Ntm 15 x I H Decoratme 3-thread sergng seam 3-thread fiatioce Seam) Decoratme 3-thread sergrng seam wide 3thread fiatiock seam) 3-thread rofled hem narrow) ----------=- tight medium heavy tight medium heavy light medium - Pfaff hobbylock 787 | Owner's Manual - Page 41
zz UZz czD 2 t3 zz aZzzi CJzj ZZD Ezzi Cj Zzm tZZ - - z z z Ui z z z z z . • • cc, 0 I II HL_ iI I \ij U_-LtJ Co /;::::::z\ 7/' 1 C9 . z \-- ->' / C,) 3 CD z r z I- CD c co ,I - : - Pfaff hobbylock 787 | Owner's Manual - Page 42
appearance, and the right looper thread has not interlocked in the seam The converter is in its left position A (see p. 18> Solution Insert new needle Insert new needle correctly (see p. 29> Do not pull material during sewing Thread corrcetly (see pp. 7-1 1 Check whether thread catches at the reel - Pfaff hobbylock 787 | Owner's Manual - Page 43
So'ution Power supply interrupted looper cover 1 0 or work support 1 2 (see p. 7( Close looper cover 10 or work support 1 2 (see p. 7( Sewing lint between upper and lower knife Upper knife blunt Clean knives (see p. 32) Exchange upper knife (see p. 30) Thread tension too tight Incorrect setting - Pfaff hobbylock 787 | Owner's Manual - Page 44
Sewing machine oii Rolled hem sewing foot (R) 10 Sewing foot N2 11 Sewing foot N3 1 2 Thread spool net 13 Needle threader 2 Description of specia' accessories on pp.43-50 Elastic tape sewing foot Part No. 29-924 993-80/000 Taping foot Part No. 29-924 993-82/000 Blindstitch sewing foot Part - Pfaff hobbylock 787 | Owner's Manual - Page 45
as shown in Fig. B. TE Bfindstitch sewing foot 43 Preparing the machine Differential feed setting: set at N (Hobbylock 788) Needle: insert the right needle Sewing foot: insert blindstitch foot Stitch width: Stitch length: longest stitch length Thread tension: N" (red, yellow, blue> The - Pfaff hobbylock 787 | Owner's Manual - Page 46
1-1.5mm Fig. 2 Bead sewing foot (Fig. 1) This nary special cords. sewing foot is for sewing on These operations are carried beads, sequins, strass out with one needle. bands, lead- and ordi 1. Set differential feed at N (Hobbylock 788) 2. Insert bead sewing foot 3. For small beads use - Pfaff hobbylock 787 | Owner's Manual - Page 47
the contracting elastic tape. Preparing the machine Differential feed setting: Needles: Sewing foot: Thread tension: Stitch width: Stitch length: set at N (Hobbylock 788) use 1 or 2 needles, depending on tape width insert elastic taping foot 4 to 4.5 approx. 4 Inserting the elastic tape: Loosen - Pfaff hobbylock 787 | Owner's Manual - Page 48
foot is for sewing on 1 tapes. On stretch materials (knitwear) the seams are prevented from stretching when a tape is sewn on. Preparing the machine Differential feed setting: Needles: set at N (Hobbylock 788) use 1 or 2 needles, deoending on tape wiath Stitch width: Stitch length: Thread - Pfaff hobbylock 787 | Owner's Manual - Page 49
operation Preparing the machine Differential feed setting: Needles: Sewing foot: Upper knife: Thread tension: Stitch width: Stitch length: set at N (Hobbylock 788) two needles or left one engage cording foot engaged 3 to 5 inserting the fabric plies 1. Raise the sewing foot 2. Set needle at its - Pfaff hobbylock 787 | Owner's Manual - Page 50
3 1 Shirring foot (Hobbylock 788) This special sewing foot is used for joi ning two pieces of fabric and shIrring the bottom ply in one operation. Preparing the machine Differential feed setting: set at N (Hobbylock 788) Needles: Sewing foot: Upper knife: Needle thread tension: Stitch length: - Pfaff hobbylock 787 | Owner's Manual - Page 51
width: Stitch length: Thread tension (cf. section ,,Rolled hem): set at N (Hobbylock 788) insert right needle (HL 787, 788) 3 to 4 mm 1.0 to 1.5 mm right looper approx. N left looper + 5 needle thread approx. N Inserting the gimp thread 1 .Raise sewing foot and set needle up. 2. 3. Engage upper - Pfaff hobbylock 787 | Owner's Manual - Page 52
width Stitch length Sewing foot Lubrication Sewing foot height . Needle system Needle size Number of threads 788/787 Dimensions Weight 788 / 787 . Contents of cardboard box 1 machine with motor 1 foot control 1 instruction manual/guarantee certificate 1 lint box 1 machine cover • 1,300 stitches
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