Owner's Manual
Page 2
Notes on safety A) Due to avoid injury and observe the sewing area continuously while sewing. C) The maximum approved wattage of the needle, the user must take sufficient care to the up and down movement of the light bulb is 15 watts. D) The drive belt must be adjusted by anyone but an authorized Pfaff agent. B) When leaving the machine, changing parts or accessories, the machine must never be disconnected from the power source.
Notes on safety A) Due to avoid injury and observe the sewing area continuously while sewing. C) The maximum approved wattage of the needle, the user must take sufficient care to the up and down movement of the light bulb is 15 watts. D) The drive belt must be adjusted by anyone but an authorized Pfaff agent. B) When leaving the machine, changing parts or accessories, the machine must never be disconnected from the power source.
Owner's Manual
Page 3
...Threading left looper Threading the needles Inserting the lint box Sewing test Points to observe during sewing Securing the seam Checking and adjusting thread tension 3-thread overedge seam Thread chart Adjusting the stitch length on 794 Adjusting the stitch length on 796 Adjusting the differential feed on 796 Regulating the sewing foot pressure Adjusting the seam width Changing the sewing feet Sewing rolled hems Changing needles Changing lower knife Changing upper knife Changing light bulb Cleaning the thread tensions Oiling the machine Sewing problems and solutions Accessories Specifications...
...Threading left looper Threading the needles Inserting the lint box Sewing test Points to observe during sewing Securing the seam Checking and adjusting thread tension 3-thread overedge seam Thread chart Adjusting the stitch length on 794 Adjusting the stitch length on 796 Adjusting the differential feed on 796 Regulating the sewing foot pressure Adjusting the seam width Changing the sewing feet Sewing rolled hems Changing needles Changing lower knife Changing upper knife Changing light bulb Cleaning the thread tensions Oiling the machine Sewing problems and solutions Accessories Specifications...
Owner's Manual
Page 5
...the sewing machine 1 Foot pressure regulating dial 2 Thread guide 3 Carrying handle 4 Left needle thread tension dial 5 Right needle thread tension dial 6 Right looper thread tension dial 7 Left looper thread tension dial cover 11 Presser foot lifter lever 12 Hand wheel and feed regulator 13 Looper cover 14 Looper cover lever 15 Work support 16 Stitch length setting key on 794 Differential feed setting on 796 17 Needle plate 18 Presser foot 19 Needle bar 20 Thread reel stand 21 Thread reel pins 22 Adjusting knob 23 Machine plug socket 24 Master switch 25 Lint box 26 Foot control 27 Foot...
...the sewing machine 1 Foot pressure regulating dial 2 Thread guide 3 Carrying handle 4 Left needle thread tension dial 5 Right needle thread tension dial 6 Right looper thread tension dial 7 Left looper thread tension dial cover 11 Presser foot lifter lever 12 Hand wheel and feed regulator 13 Looper cover 14 Looper cover lever 15 Work support 16 Stitch length setting key on 794 Differential feed setting on 796 17 Needle plate 18 Presser foot 19 Needle bar 20 Thread reel stand 21 Thread reel pins 22 Adjusting knob 23 Machine plug socket 24 Master switch 25 Lint box 26 Foot control 27 Foot...
Owner's Manual
Page 6
Electrical connection Use this machine only on a flat surface or on the foot control. Do not place any objects on a special sewing table. Accessory box Swing the work support to a power source. Then connect the mains plug to the left and pull out the accessory box. Attaching the toot control: Insert the plug of the control into the grooves and push it until it into the machine plug socket. Caution: When the machine is not in use, disconnect plug from power source. To replace the accessory box, slide it locks. The accessories are illustrated on page 32.
Electrical connection Use this machine only on a flat surface or on the foot control. Do not place any objects on a special sewing table. Accessory box Swing the work support to a power source. Then connect the mains plug to the left and pull out the accessory box. Attaching the toot control: Insert the plug of the control into the grooves and push it until it into the machine plug socket. Caution: When the machine is not in use, disconnect plug from power source. To replace the accessory box, slide it locks. The accessories are illustrated on page 32.
Owner's Manual
Page 9
... seam. Right needle (green) 4. To close the work support, push it to the right until it locks. Thread the machine in the direction of the arrow and lower it. Left needle (blue) Diagram B shows threading of the thread tension. Threading procedure Threading must be done correctly to the machine (A). Now pull the respective thread into the corresponding guides and tension discs. 7 Right looper (red) 2. Left looper (orange) 3. Diagram C shows threading of the thread guides...
... seam. Right needle (green) 4. To close the work support, push it to the right until it locks. Thread the machine in the direction of the arrow and lower it. Left needle (blue) Diagram B shows threading of the thread tension. Threading procedure Threading must be done correctly to the machine (A). Now pull the respective thread into the corresponding guides and tension discs. 7 Right looper (red) 2. Left looper (orange) 3. Diagram C shows threading of the thread guides...
Owner's Manual
Page 15
Points to observe during sewing Place the fabric completely under the presser foot when starting to cut the thread chain. Use your hand for guiding only. Finishing seam Sew approximately 5 cm beyond the end of the seam and use the thread cutter (1) behind the presser foot to sew. (Also after the machine has been re threaded). Sew the first stitches slowly. Since the fabric is fed automatically, do not pull or push the fabric.
Points to observe during sewing Place the fabric completely under the presser foot when starting to cut the thread chain. Use your hand for guiding only. Finishing seam Sew approximately 5 cm beyond the end of the seam and use the thread cutter (1) behind the presser foot to sew. (Also after the machine has been re threaded). Sew the first stitches slowly. Since the fabric is fed automatically, do not pull or push the fabric.
Owner's Manual
Page 16
... thicknesses of seams, sew approximately 3 cm (1") beyond the seam. Note: When sewing thin fabrics, loosen the upper knife screw after sewing on heavy fabrics. (See illustration). For knit fabrics, a crochet needle can be used to very heavy fabrics. Raise presser foot. Lower presser foot and sew over . Flip fabric over the seam approximately 2 cm (1/2') without cutting the chain. When sewing very heavy fabrics, tighten the upper knife screw. To prevent ravelling of fabric: This machine will sew through...
... thicknesses of seams, sew approximately 3 cm (1") beyond the seam. Note: When sewing thin fabrics, loosen the upper knife screw after sewing on heavy fabrics. (See illustration). For knit fabrics, a crochet needle can be used to very heavy fabrics. Raise presser foot. Lower presser foot and sew over . Flip fabric over the seam approximately 2 cm (1/2') without cutting the chain. When sewing very heavy fabrics, tighten the upper knife screw. To prevent ravelling of fabric: This machine will sew through...
Owner's Manual
Page 17
Sew a test sample to be adjusted according to "N" (standard setting). See illustration above. 1 Top side Right looper thread Setting thread tensions: The thread tension should be sure that the correct tension has been obtained. Reverse side Right Left needle thread needle thread Adjusting thread tension: Set all thread tension dials to fabric type and thread size. Left looper thread - See illustration below. I - Examine the seam and make the necessary tension adjustments.
Sew a test sample to be adjusted according to "N" (standard setting). See illustration above. 1 Top side Right looper thread Setting thread tensions: The thread tension should be sure that the correct tension has been obtained. Reverse side Right Left needle thread needle thread Adjusting thread tension: Set all thread tension dials to fabric type and thread size. Left looper thread - See illustration below. I - Examine the seam and make the necessary tension adjustments.
Owner's Manual
Page 18
Incorrect thread tension; Top side Reverse side 1 - The left looper thread is too loose (blue thread tension). The left looper thread too loose (orange thread tension). The right looper thread is decreased. When turned in (+) direction, the tension is too loose (green thread tension). The right needle thread is increased. When the thread tension is turned in (-) direction it is too tight (red thread tension) or the left needle thread is too tight (orange thread tension) or the right looper thread too loose (red thread tension).
Incorrect thread tension; Top side Reverse side 1 - The left looper thread is too loose (blue thread tension). The left looper thread too loose (orange thread tension). The right looper thread is decreased. When turned in (+) direction, the tension is too loose (green thread tension). The right needle thread is increased. When the thread tension is turned in (-) direction it is too tight (red thread tension) or the left needle thread is too tight (orange thread tension) or the right looper thread too loose (red thread tension).
Owner's Manual
Page 19
Remove the needle that is possible by using either right or left needles (see page 26). Needle thread Thread tension 3-thread overedge seam Left needle Marked blue Rht needle Marked green Thread in needle clamp guides 0 0 Standard seam width maxim urn seam width 6.5 mm 4.5 mm 3-thread overedge seam _____ How to convert from four-thread to threethread sewing: Three-thread sewing is riot used (see page 10).
Remove the needle that is possible by using either right or left needles (see page 26). Needle thread Thread tension 3-thread overedge seam Left needle Marked blue Rht needle Marked green Thread in needle clamp guides 0 0 Standard seam width maxim urn seam width 6.5 mm 4.5 mm 3-thread overedge seam _____ How to convert from four-thread to threethread sewing: Three-thread sewing is riot used (see page 10).
Owner's Manual
Page 20
... thread) Stitch length 2.0 to 4.0 mm 2.0 to 4,0 mm 2.0 to 4.5 mm 2,0 to 4.5 mm 1.5 to 2.5 mm Sewing foot pressure: Position N" of the foot pressure dial is N (3 mm). A = setting mark. Stitch Ienght setting on 794 The stitch length is normally reset only for very thin or heavy fabrics. Heavy fabrics: Increase the sewing foot pressure by turning feed regulator 16. Thin fabrics: Reduce the sewing foot pressure by setting to a higher number. The numbers indicate the stitch length in mm which normally is the standard sewing foot pressure. Material Light...
... thread) Stitch length 2.0 to 4.0 mm 2.0 to 4,0 mm 2.0 to 4.5 mm 2,0 to 4.5 mm 1.5 to 2.5 mm Sewing foot pressure: Position N" of the foot pressure dial is N (3 mm). A = setting mark. Stitch Ienght setting on 794 The stitch length is normally reset only for very thin or heavy fabrics. Heavy fabrics: Increase the sewing foot pressure by turning feed regulator 16. Thin fabrics: Reduce the sewing foot pressure by setting to a higher number. The numbers indicate the stitch length in mm which normally is the standard sewing foot pressure. Material Light...
Owner's Manual
Page 21
If I IIIi II I I ! The stitch length is N = 3 mm. Press stop of main feed dog (see arrow) fully downwards and hold it snaps into place. Setting the stitch length on 796 Open lateral swivel table 15. di if I 5: Set the required stitch length at mark A by the arrow until it there. Turn handwheel 12 in the direction indicated by continuing to turn handwheel 12 forwards or backwards, as may be required (point of arrow). / The numbers indicate the stitch length in mm which normally is set firmly as soon as you release the stop of the main feeddog. 19
If I IIIi II I I ! The stitch length is N = 3 mm. Press stop of main feed dog (see arrow) fully downwards and hold it snaps into place. Setting the stitch length on 796 Open lateral swivel table 15. di if I 5: Set the required stitch length at mark A by the arrow until it there. Turn handwheel 12 in the direction indicated by continuing to turn handwheel 12 forwards or backwards, as may be required (point of arrow). / The numbers indicate the stitch length in mm which normally is set firmly as soon as you release the stop of the main feeddog. 19
Owner's Manual
Page 22
... (see table on page 21). U /cF WLfl Adjusting the differential feed The differential feed prevents interpIy shift. Set the differential feed according to the material you wish to that very good sewing results are possible: Setting 0.5 = Short stroke of front teed dog, long stroke of rear feed dog Setting - = Same stroke of both pick up and move the workpiece at button 16 are...
... (see table on page 21). U /cF WLfl Adjusting the differential feed The differential feed prevents interpIy shift. Set the differential feed according to the material you wish to that very good sewing results are possible: Setting 0.5 = Short stroke of front teed dog, long stroke of rear feed dog Setting - = Same stroke of both pick up and move the workpiece at button 16 are...
Owner's Manual
Page 24
Adjusting seam width: Standard setting is "N". Sew a test sample. according to the lower (cutting) position and close the looper cover. To disengage upper knife, open looper cover. Note: After adjusting the seam width, it clicks. Reset the upper knife to fabric type and seam requirements. Turn knurled knob (2) clockwise until it may be changed from 2.5 to 6.5 mm. Choose the required seam width by turning the stitch width button (3). Note: Before adjusting the stitch width...
Adjusting seam width: Standard setting is "N". Sew a test sample. according to the lower (cutting) position and close the looper cover. To disengage upper knife, open looper cover. Note: After adjusting the seam width, it clicks. Reset the upper knife to fabric type and seam requirements. Turn knurled knob (2) clockwise until it may be changed from 2.5 to 6.5 mm. Choose the required seam width by turning the stitch width button (3). Note: Before adjusting the stitch width...
Owner's Manual
Page 27
... "R", from accessory box. 3. Snap on heavier fabrics that cannot be rolled. Set stitch width at a higher setting for this type of hem. 1. Snap on the fabric used . 3 or + 5, depending on rolled hem foot, marked with good quality thread. 5. Set red threading path (upper looper tension) at + 4 or Set orange threading path (lower looper tension) at + 3, + 4, or + 5, depending on the weight of the fabric. 9. The Pfaff Hobbylock 794 is suitable it rolls, the Pfaff 1. Thread the satin finish...
... "R", from accessory box. 3. Snap on heavier fabrics that cannot be rolled. Set stitch width at a higher setting for this type of hem. 1. Snap on the fabric used . 3 or + 5, depending on rolled hem foot, marked with good quality thread. 5. Set red threading path (upper looper tension) at + 4 or Set orange threading path (lower looper tension) at + 3, + 4, or + 5, depending on the weight of the fabric. 9. The Pfaff Hobbylock 794 is suitable it rolls, the Pfaff 1. Thread the satin finish...
Owner's Manual
Page 28
.... Removing lower knife: Unplug the machine. Loosen the needle clamp screw with this machine. Inserting needle: When the needle bar is recommended. Although the correct needle size depends on the fabric and thread used, a size 14 needle is at the highest position, insert a new needle in the needle holder, making sure the groove of the needle faces you and scarf A (centre of illustration) can be replaced when they are used with the allen wrench and pull the needle Out. Changing needles Removing needle...
.... Removing lower knife: Unplug the machine. Loosen the needle clamp screw with this machine. Inserting needle: When the needle bar is recommended. Although the correct needle size depends on the fabric and thread used, a size 14 needle is at the highest position, insert a new needle in the needle holder, making sure the groove of the needle faces you and scarf A (centre of illustration) can be replaced when they are used with the allen wrench and pull the needle Out. Changing needles Removing needle...
Owner's Manual
Page 30
... damaged. Push the upper knife holder to the far right and turn the knob clockwise until the upper knife arm is carbide tipped and will not need to be 0.5 to 1.0 mm lower in the lowest position. Tighten slightly and set the upper knife in the cutting position. Changing upper knife: The upper knife is in this position than the surface of the needle plate. Unplug the machine.
... damaged. Push the upper knife holder to the far right and turn the knob clockwise until the upper knife arm is carbide tipped and will not need to be 0.5 to 1.0 mm lower in the lowest position. Tighten slightly and set the upper knife in the cutting position. Changing upper knife: The upper knife is in this position than the surface of the needle plate. Unplug the machine.
Owner's Manual
Page 31
Push bulb up and turn it in direction (1) and remove it. Cleaning thread tensions: Flip the tension cover down. Close the tension cover. 29 Replace cover. Use the brush provided with pins into slots (3). Changing the light bulb: Unplug the machine. Insert the new bulb with the accesories to the left. Caution: Use a 15 watt bulb only. Remove the retaining screw from the light cover and swing cover to remove dust and lint from the discs. Turn the bulb in direction (2).
Push bulb up and turn it in direction (1) and remove it. Cleaning thread tensions: Flip the tension cover down. Close the tension cover. 29 Replace cover. Use the brush provided with pins into slots (3). Changing the light bulb: Unplug the machine. Insert the new bulb with the accesories to the left. Caution: Use a 15 watt bulb only. Remove the retaining screw from the light cover and swing cover to remove dust and lint from the discs. Turn the bulb in direction (2).
Owner's Manual
Page 33
... setting of simple adjustment errors. Regulate tension, (page 15, 16). Incorrectly threaded Thread has caught Thread tension too tight Needle not correctly inserted Incorrect needle used Incorrectly threaded Sewing foot pressure too weak Insert new needle. Use needle system DB x 1, or 1738 Thread correctly (pages 7-11). Check whether thread catches at the reel stand, etc. Needle not correctly inserted. Insert new needle correctly (see pages 7-11). ewing problems and solutions hs machine is not fed correctly Needle breakage Thread breakage Skipped stitches Incorrect stitch...
... setting of simple adjustment errors. Regulate tension, (page 15, 16). Incorrectly threaded Thread has caught Thread tension too tight Needle not correctly inserted Incorrect needle used Incorrectly threaded Sewing foot pressure too weak Insert new needle. Use needle system DB x 1, or 1738 Thread correctly (pages 7-11). Check whether thread catches at the reel stand, etc. Needle not correctly inserted. Insert new needle correctly (see pages 7-11). ewing problems and solutions hs machine is not fed correctly Needle breakage Thread breakage Skipped stitches Incorrect stitch...
Owner's Manual
Page 34
3 4 5 /__• 60 Specifications Highest sewing speed Overedge seam width Stitch length Sewing foot Lubrication Needle system Dimensions . Weight Accessories 1 Screwdriver 2 AlIen wrench 3 Lint brush 4 Tweezers 5 Lower knife 6 Thread unreeling disc 7 Needles 8 Oil 9 Rolled hem presser foot Optional accessories (not illustrated): Blindhem foot Elastic foot stitches/mm, 30-6.5 mm 1-5mm Snap-on • Manual • DB x 1 or 1738 (size 9-14) • . . 24x22x18.5cm 8.5 kg (19 lbs.)
3 4 5 /__• 60 Specifications Highest sewing speed Overedge seam width Stitch length Sewing foot Lubrication Needle system Dimensions . Weight Accessories 1 Screwdriver 2 AlIen wrench 3 Lint brush 4 Tweezers 5 Lower knife 6 Thread unreeling disc 7 Needles 8 Oil 9 Rolled hem presser foot Optional accessories (not illustrated): Blindhem foot Elastic foot stitches/mm, 30-6.5 mm 1-5mm Snap-on • Manual • DB x 1 or 1738 (size 9-14) • . . 24x22x18.5cm 8.5 kg (19 lbs.)
