Gebruiksaanwijzing /service van het product hobbylock 774 van de fabrikant Pfaff
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77” OPERATiNG iNSTRUCTION.
CONTENTS A. Parts names 2 B. Preparation for the sewing 4 a. Preparation 4 b. Fitting the foot controller 4 c. How to adjust the foot controller 4 d. Turning on / off the lamp 4 e. Labrication 5 f. Opening and closing looper cover and side cover 6 g. Threading procedure 6 C.
A. Parts name • Front side • Rear side Presser toot feet 2.
• Accessories Screw driver Screw driver (For needle) Tweezers Oiler • Specifications Maximum speed Overlock seam width Stitch length Presser foot Presser foot lift Needle Number of threads Lubrication Dimentions Net weight Brush for dusting Upper knife 1 300 s.
B Preparation for the sewing a. Preparation This machine must be used on a flat and horizontal surface or purpose-built sewing machine table. b. Fitting the foot controller First, insert the controller connector into the connector socket on the machine as shown in the illustration, then connect the plug to a power source.
e. Lubrication The bushings and other important parts are made from special materials and only require lubrication once or twice a month. When oiling always be sure to use a good quality sewing machine oil. Apply just one or two drops of oil to the areas indicated.
f. Opening and closing looper cover and side cover 1. To open the side cover, push it to the direc tion of the arrow. To close side cover, push it to the right until it locks. 2. To open the looper cover, slide the looper cover to the right, swing it down towards you.
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3. Next thread the right neecile surplus thread about 5 cm (about 2”) needle eyes. Leave surplus thread about 5 cm (about 2”) beyond needle eyes. It would be helpful in the initial stage, (before commencing to sew) that different coloured threads are used.
C. OPerating the machine a. Test sewing After threading, be sure to make a test sewing before actual operation. Procedure 1. Hold the 4 threads by your left hand and turn the pulley 2 or 3 turns slowly towards you with your right hand. Checking the threads being interlocked.
d. Relation chart for fadrica and thread stitch length Fabrics Thr.ad Stitch l.ngth Light Cotton No.80—100 Organdy, light-knit fabric, Silk No.80—100 3.0 to 4. 0mm Taffeta, silk,lining materials Synthetic thread No.80 Mdlum Cotton No.60—100 Cotton, tricot, linen, Silk No.
f. Incorrect thread tension and how to adjust 1. The sketch shows the left needle thread tension is too loose. 2. The sketch shows the right needle thread tension is too loose. 3. The sketch shows the right looper thread tension is too loose. 4. The sketch shows the left looper thread tension is too loose.
g. Roll hemming • Roll hemming foot • Normal hemming foot Remove the left needle first. For the roll hemm ing (narrow / foldover hemming) replace the ____ normal stitch foot by the roll hemming foot. By following this instruction, very good sewing results can be achieved.
h. Points to observe during sewing • Place the fabric under the cutter and lower the foot before commencing to sew. • Then slowly sew the first few stitches, the fabric will feed automatically and genUy guide by hand. • Do not push or pull the material so as to avoid the possibility of breaking the needles.
i. 3 thread overedge seam Three-thread sewing is possible by using either right or left hand needles. Threading procedure is as usuaJ. For wide seam sewing. 1. Remove the right hand needle. 2. Use the left hand needle thread and right & left looper thread.
D. Some adjustments / Maintenance a. Adjusting the seam width Standard seam width is 3.5 mm. It can be adjusted from 3.0mm to 5.0mm when using the different materials.
c.Replacing needle (S) DURING THIS OPERATION DISCONNECT THE MAINS PLUG FROM THE POWER SOURCE. 1 Removing needle (s) Turn the pulley wheel towards you by hand, (in the direction of the arrow), raising the needle (s) to the highest position. Using a screwdriver, loosen the needle clamp screw and remove the needle(s).
d. Replacing the upper knife DURING THIS OPERATION DISCONNECT THE PLUG FROM THE MAINS OUTLET. 1. To remove the upper knife. Push into the right, and turn down anti-clockwise towards you, the upper knife release knob, until the knife is held in position by the carrier stopper (approximately horizontal to you).
e. Replacing the lower knife DURING THIS OPERATION DISCONNECT THE PLUG FROM ThE MAINS OUTLET 1. To remove the lower knife. First push into the right the upper knile release knob turning it anti-clockwise to release the upper knife (as described on page 1 7) Loosen the lower knife screw and remove the lower knife, taking care not to touch the blade.
f. Replacing the light bulb FIRST DISCONNECT THE MAINS PLUG FROM THE POWER SOURCE • Loosen the screw of the rear of the machine body and remove the lamp cover. • Turn the bulb in direction (1) and remove it. Insert the new bulb by pushing upward, turning it in the direction (2).
E. Sewing problems and solutions Used correctly, your machine should operate efficiently and without difficulty. However you my from time to time encounter the occasional problem which usually results from not carrying uiit various adjustments in the recommended manner.
Een belangrijk punt na aankoop van elk apparaat Pfaff hobbylock 774 (of zelfs voordat je het koopt) is om de handleiding te lezen. Dit moeten wij doen vanwege een paar simpele redenen:
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In een situatie waarin je al een beziter van Pfaff hobbylock 774 bent, maar toch heb je de instructies niet gelezen, moet je het doen voor de hierboven beschreven redenen. Je zult dan weten of je goed de alle beschikbare functies heb gebruikt, en of je fouten heb gemaakt die het leven van de Pfaff hobbylock 774 kunnen verkorten.
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