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Pfaff hobbylock 4764, Operating Manual

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Pfaff hobbylock 4764 Operating Manual Download Page 32

30

7. Specifi cations

Number of threads

Number of needles

Needles

Width between two needles

Stitch width

Stitch length

Differential feed

Maximum sewing speed

Machine dimensions

Weight

Width  290mm
Depth  220mm
Height 330mm (Max. 550mm)

7.3 kg

1200 RPM

0.7 - 2

1 - 4.4 mm

Standard 4.5 mm (Range 4.2-6.2 mm)

2 mm

4-threads (3-, 2-threads)

2 needles (1 needle)

Organ HAx1T #11, #14

(SCHMETZ 130/705H #75, #90)

Summary of Contents for hobbylock 4764

Page 1: ...4764 hobbylock Operating Manual ...

Page 2: ......

Page 3: ... the sewing machine to the nearest authorized dealer or service center for examination repair electrical or mechanical adjustment Never operate the sewing machine with any air openings blocked Keep ventilation openings of the sewing machine and foot controller free from the accumulation of lint dust and loose cloth Keep fingers away from all moving parts Special care is required around the sewing ...

Page 4: ...ot lift 12 Beginning and end of sewing 13 Presser foot pressure adjustment 14 Thread tension adjustment 14 Differential feed adjustment 16 Stitch width adjustment 17 Stitch length adjustment 17 Sewing curved seams 18 3 2 Setting waste tray 18 3 3 3 thread overlock stitch using 1 needle 18 3 4 2 thread overlock stitch using 1 needle 19 Conversion to 2 thread overlock 20 Stitch selection table 20 Th...

Page 5: ...bbylock 4764 Your Pfaff hobbylock 4764 will give you professional sewing results Its ease of use will free your creative energies turning your ideas into reality will be a joy Before you start please spend some time reading these operating instructions You will soon discover how easy it is to use your Pfaff hobbylock 4764 Give a free rein to your imagination and make your ideas become reality ...

Page 6: ...read guides 6 Telescopic thread guide 7 1 Left needle thread tension 7 2 Right needle thread tension 7 3 Thread tension upper looper 7 4 Thread tension lower looper 8 Front panel 9 Swivel table 10 Seam length adjustment knob 11 Standard presser foot 12 Seam width adjustment knob 13 Upper blade 14 Front cover 15 Handwheel right side of the machine 16 Differential feed dial 17 Light bulb cover ...

Page 7: ...sories 1 Thread unreeling discs 4 pcs 2 Tweezers 3 Machine oil 4 Lower blade 5 Needles 11 75 6 Needles 14 90 7 Screwdrivers 8 Convertor 9 Thread nets 10 Cleaning brush 11 Needle plate for rolled hem 12 Accessory box 13 Waste tray 14 Machine cover ...

Page 8: ...he machine runs When the power switch is turned off the machine will not operate even with pressure on the foot control Electronic foot control for USA Canada only This foot control gives full penetration power even at slow speed for all sewing needs For the USA and Canada This sewing machine has a polarized plug one blade wider than the other To reduce the risk of electric shock this plug is inte...

Page 9: ...m you How to close the side cover Push the cover to the right and lock into place 1 5 Opening and closing front cover and side cover How to open the front cover Push the cover to the right as far as it will go and pull it downwards How to close the front cover Pull the cover upwards and slide to the left until it locks The front cover has a safety switch and the machine will not sew when the front...

Page 10: ...rds you 2 Loosen the needle clamp screw and remove two needles together 3 With the flat side away from you insert two new needles all the way up into the groove of the needle bar Use standard home sewing machine needles size 11 75 or 14 90 1 7 Changing presser foot Turn the machine off 1 Raise the presser foot 2 Raise the needles to its highest position by turning the handwheel towards you 3 Push ...

Page 11: ...read drawn from the spool and pass it through guide 1 of the thread stand and then in order through guide 2 and thread tension dial 3 Fig A Pass the thread through guides 4 8 Bring the lower looper to the far left position by turning the handwheel towards you and pass the thread through lower looper thread guide 9 Pass thread through lower looper slit 10 from back to forward Fig B Move the lower l...

Page 12: ... cm 4 of thread tail 2 2 Changing thread The following is an easy way to change threads 1 Cut the thread in use near the spool behind the telescopic thread stand Place the new thread on the spindle and tie it to the end of the original thread Fig C 4 Left needle threading D Take the thread drawn from spool and pass it through thread guides 1 7 and thread the eye of left needle 8 from front to back...

Page 13: ...e thread cut off the thread knot before it reaches the eye of the needle This prevents bending or damaging the needle To make threading easier use tweezers When using synthetic threads that easily unwind from the spool slip the net over the thread from the bottom of the spool leaving the thread hanging loosely at the top as shown When using standard thread spool insert the thread unreeling discs s...

Page 14: ...ore sewing When threading is complete sew a few inches of chain stitches Presser foot lift Position the fabric by lowering the presser foot lift to raise the presser foot Place the fabric underneath the presser foot and push the fabric towards the front of the blade Lower the presser foot Note For thin and middleweight fabrics there is no need to raise the presser foot Check all 4 threads wind aro...

Page 15: ...threads from coming undone and to prepare for the next sewing this is called chaining off Draw the finished fabric gently backwards and to the left as the machine is operating and make chain stitches This is called chain stitch sewing Then cut the threads 2 5 cm 1 2 from the presser foot Note Do not pull it out roughly as the needle may bend and break For a neater finish pull thread ends back thro...

Page 16: ... presser foot by turning the adjustment screw in the direction as shown Tighten Loosen Thread tension adjustment Adjust thread tension to suit the type of fabric and size of thread used As the number on the thread tension discs increases the thread tension becomes tighter 1 Correct tension Lower looper thread and upper looper thread should be well balanced with same tension both looper threads sho...

Page 17: ...ppears on the top side of the fabric Tighten the thread tension of the lower looper Dial 4 or loosen the thread tension of the upper looper Dial 3 4 When the left needle thread is too loose Tighten the thread tension of the left needle Dial 1 or loosen both looper threads Dial 3 and 4 5 When the right needle thread is too loose Tighten the thread tension of the right needle Dial 2 Top side Top sid...

Page 18: ...cs and puckering of lightweight fabrics N indicates the neutral position Indicator Differential feed Refer to the following chart and test stitch performance on a scrap of fabric you are going to use Result from adjustment Differential feed ratio Differential feed dial is set at N Fabric Non stretch lightweight fabrics Stretch knit fabrics Lightweight fabrics Georgette Medium woven fabrics Knit Je...

Page 19: ...adjustment dial to a smaller number This figure shows that the stitch width between the left needle and the edge of the fabric is 4 5 mm Stitch length adjustment The machine is pre set to 2 5 mm stitch length for regular seaming and overlock You may adjust the stitch length from 1 mm narrow rolled hemming to 5 mm by adjusting the stitch length adjustment lever For normal overlock set the stitch le...

Page 20: ...shown For outside curves apply pressure in the opposite direction of the above 3 2 Setting waste tray Insert the right of the waste tray to the right leg of the machine as illustrated Turn the left end of the waste tray in the direction of arrow 3 3 3 thread overlock stitch using 1 needle Though this machine is used mainly for 4 thread overlock using 2 needles 3 thread overlock with 1 needle can b...

Page 21: ...2 Removing the left needle Create a narrow 3 thread stitch by using only the right needle and the right thread tension Dial 2 The differential feed is normally set at N see p 16 3 4 2 thread overlock stitch using 1 needle 1 Use 1 needle thread left needle or right needle and lower looper thread Remove upper looper thread 2 Attach 2 thread overlock convertor to the upper looper ...

Page 22: ...convertor into the eye C of upper looper Since above settings are based on normal weight thread it may be necessary to adjust the thread tension according to the stitch pattern and type of fabric and thread you are using The differential feed is normally set at N Stitch selection table Thread tension Pattern stitches Left needle Material see p 29 Right needle Upper looper Lower looper Stitch lengt...

Page 23: ...he back Tighten the thread tension of the lower looper Dial 4 or loosen the needle thread tension Dial 2 3 Needle thread unbalanced and too loose Tighten the needle thread tension Dial 2 or loosen the tension of lower looper thread Dial 4 Top side Top side Top side Underside Underside Underside ...

Page 24: ...rolling underneath at 1 5 mm width This is ideal for lightweight fabrics 1 Remove the left needle see p 8 2 Change the needle plate for rolled hemming For rolled hem sewing use the needle plate marked B the needle plate A is for normal sewing 3 Set the stitch width dial between 4 5 and 5 5 4 Set the stitch length adjustment lever to 1 Top side Underside ...

Page 25: ...fabric for best results 2 thread rolled hem 1 Convert to 2 thread overlock see p 20 2 Use only the right needle and change the needle plate for rolled hemming see p 22 Standard chart for rolled hem 2 thread rolled hem Rolled hem Rolled hem folded Rolled hem folded Rolled hem Differential Feed Stitch Length 1 1 5mm 1 1 5mm 5 5mm 5 5mm N N 6 5 3 5 Lower Looper Thread Upper Looper Thread Right Needle...

Page 26: ...lock 1 Thread cord through the hole on the front of the foot Place a slightly wide cord or tape about 3 mm under the right needle and start to sew catching cord or tape in stitching 2 To sew a narrow cord positioning it on the edge of the fabric encased in the overlock stitch Taping a seam can prevent knit fabrics from stretching and also stabilize the seams ...

Page 27: ...ition Needle plate 4 Maintenance 4 1 Replacing the blades The upper blade and lower blade are made of a specially long lasting steel and will seldom have to be replaced However when they do not cut the fabric even though they are set in the right position replace them as follow Unplug the machine Open the front cover Replacing the upper blade 1 Set the upper blade to its lowest position by turning...

Page 28: ... shown will increase its durability 4 2 Changing the light bulb Let the light bulb cool down before replacing it to avoid burning your fingers When the light does not come on even though the power switch is turned on it is time to change the light bulb 1 Unplug the machine 2 Remove the light bulb cover 3 Change the light bulb 4 Replace the light bulb cover Note The maximum power of the light bulb ...

Page 29: ...ust 3 Store the machine so it is not exposed to direct sunlight or humidity 4 6 Servicing Any questions regarding service and or operation are to be addressed to the store where the machine was purchased 4 4 Cleaning Unplug the machine 1 Open the front cover and the side cover see p 7 2 Remove all the dust and lint using the brush provided ...

Page 30: ...es not sew Machine does not feed properly Needle breaks Breaking threads Skipping stitches Irregular stitches Puckering Insert new needle Reset needle Do not use force to pull the fabric Rethread the machine Reset thread tension s Reset needle change to new needle Insert new needle Reset needle Rethread the machine Not plugged in properly Pressure on the presser foot not sufficient Differential fe...

Page 31: ...Ax1T 130 705H For home use sewing machine Thread Needle thread tension Stitch width between left needle and the edge Stitch length 2 2 5 mm 2 5 3 0 mm 3 4 4 mm 4 2 4 5 mm 4 2 4 5 mm 4 5 6 mm Loose Medium Tight 11 75 11 or 14 75 or 90 14 90 Polyester spun filament Twisted thread 60 2 80 2 Twisted thread 80 3 100 3 3 thread overlock Twisted thread 60 2 3 or 4 thread overlock Twisted thread 60 2 50 2...

Page 32: ... Stitch width Stitch length Differential feed Maximum sewing speed Machine dimensions Weight Width 290mm Depth 220mm Height 330mm Max 550mm 7 3 kg 1200 RPM 0 7 2 1 4 4 mm Standard 4 5 mm Range 4 2 6 2 mm 2 mm 4 threads 3 2 threads 2 needles 1 needle Organ HAx1T 11 14 SCHMETZ 130 705H 75 90 ...

Page 33: ...led hem 22 23 Sewing problems and their solutions 28 Skipping stitches 28 Specifications 30 Speed adjustment 6 30 Stitch length 17 20 Stitch width 17 20 Tensions 14 15 Tensions adjustment 14 21 Tensions balanced 14 Tensions lower looper 15 20 22 23 Tensions needles 15 20 22 23 Tensions two thread 20 23 Tensions upper looper 15 20 22 23 Thread breakage 28 Thread nets 11 Thread stand 7 Thread unreel...

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Page 35: ...s however will always be to the benefit of the user and the product Intellectual property PFAFF and hobbylock are registered trademarks or trademarks of VSM Group AB Please note that on disposal this product must be safely recycled in accordance with relevant National legislation relating to electrical electronic products If in doubt please contact your retailer for guidance ...

Page 36: ...412 93 67 26C English Inhouse 2005 VSM Group AB Printed in Sweden on environmental friendly paper VSM Group AB SE 561 84 Huskvarna SWEDEN www pfaff com ...

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