Pfaff 441-O Скачать руководство пользователя страница 28 | Manualshive

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From the library of: Superior Sewing Machine & Supply LLC

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Содержание 441-O

Страница 1: ...442 R 441 O 442 0 Service Manual Pfaff D 6750 Kaiserslautern Postfach 3020 3040 Telex 045753 From the library of Superior Sewing Machine Supply LLC...

Страница 2: ...th blades from 2 to 10 mm wide 1 set of wrenches with openings from 7 to 14 mm wide 1 set of alien keys from 2 to 6 mm 1 feed dog gauge part No 91 129995 05 1 adjusting gauge part No 91 129573 91 1 C...

Страница 3: ...f the needle holder 1 2 Remove the knee lever together with its coupling sleeve 1 3 Tum knurled disc 1 as far as it will go in the direction in which the reverse feed control starts to move downwards...

Страница 4: ...k of the arm standard 2 2 Unscrew the gearcase cover on the underside of the machine base collecting the oil if any in a container 2 3 Loosen screw 1 of the counter balance 2 4 Make sure the stitch le...

Страница 5: ...o crank 3 Fig 2 0 1 until the feed dog or rather the screwdriver in the feed rock shaft crank Is completely motionless 2 7 In this position tighten both clamp screws 2 securely 2 8 Leave the screwdriv...

Страница 6: ...bar push itupagainstthe needle barframeandtighten its screw 3 4 Set the machine for its longest stitch 3 5 Movethe reverse feed control up and down and simultaneously turn feed driving eccentric 2 un...

Страница 7: ...2 and remove the bracket 4 2 Set the machine for its longest stitch 4 3 Loosen screws 3 4 4 Set the stitch length at 0 4 5 Turn lower needle bar driving crank 4 so that the edge of its flat surface i...

Страница 8: ...ated 5 0 1 Set the machine for its longest stitch Makesure screw 1 ofcounter balance 2 is loose Fig 5 0 1 move the latteras far as itwill go turning it inthe direction indicated by an arrow Turnthe co...

Страница 9: ...4 and bring the needle bar to bottom dead center Push the C clamp onto the needle bar push itup againstthe needle bar frame and tighten its screw Turn coiiar 2 on the collar of the lifting eccentric...

Страница 10: ...the machine arm Raise presser bar lifter1 and screw on the presser foot Loosen both screws 2 in the presser bar collar Push the 7 mm or9 mm thickpart ofthe gauge under the presser footso that its rece...

Страница 11: ...3 Loosen clamp screws 1 offeed liftingcrank 2 and clamp screws 3 offeed rock shaft crank 4 8 4 Place the machine feed gauge so under the presser foot that its recess faces downwards and its front edge...

Страница 12: ...feed dog now protrudes 1 1 mm from the needle plate surface 8 9 inthis position tighten clamp screws 1 and 3 making sure that the feed dog is stillcentered in its slots 8 10 Check this adjustment see...

Страница 13: ...el 9 2 Unscrew the presser footand the thread tensionbase plate 9 3 Set the stitchlengthat 0 and bring the needle bartotopdead center 9 4 inserttwoneedles Into the needleholderso thattheirlong grooves...

Страница 14: ...s arecentered in theirneedle holes both lengthwise and crosswise Fig 9 0 2 9 9 Inthis position push coilar 2 to the right as far as itwiii go and tighten screw 1 9 10 Also tighten clamp screw 3 making...

Страница 15: ...38 mm needle bar stroke 17mm 22mm 10 0 1 10 0 2 10 1 Bringthe needle bar to top dead center 10 2 Loosen hexagon screw 1 inthe needle bar connecting stud 10 3 Adjust the needlebar vertically untilther...

Страница 16: ...nd needle being 0 1 mm Also Inthis position the hook points should be positioned 0 8 mm above the top edge of the respective needle eye 11 0 1 11 0 2 11 0 3 11 1 Set the stitch length at 0 11 2 Unscre...

Страница 17: ...ary adjust the needle bar height 11 11 Adjust the hook bearing brackets laterally until there is a clearance of 0 1 mm be tween the hook points and the needles 11 12 Inthis position securely tighten h...

Страница 18: ...g Also screwontheneedleplate making sure thatthelugsofboth bobbin case bases enter theappropriate slotsonthe underside ofthe needleplate Loosen screw1in theright bobbin caseopenereccentric which wasti...

Страница 19: ...ed see arrow 12 2 1 Loosen screw 4 in the left bobbin case opener eccentric which was tightened previously 12 2 2 Turn the balance wheel to bring the take up lever to bottom dead center 12 2 3 Turn th...

Страница 20: ...ar to bottom dead center Turn thebalance wheel initsnormal direction until shaft1oftheright bobbin case opener is at its rear pointof reversal see arrow Loosenclampscrew2 ofthe connecting crankonthe r...

Страница 21: ...ce wheel in its normal directionuntil shaft 3 of the left bobbin case opener Is at its front pointof reversal see arrow 12 4 3 Loosen clamp screw 4 of the connecting crank on the leftshaft 3 12 4 4 Re...

Страница 22: ...rmore operating pin 8should becentered in theelongated holeand itscirclip should lightly contact the actuating lever 13 0 3 13 0 2 Loosen both clamp screws 1andpush oil check valve 2totheright Also lo...

Страница 23: ...ciip on operating pin 8 lightly contacts actuating lever 4 Make sure operating pin 8 is stillat the point where pressure is felt 13 10 Inthis position tighten clamp screws 1 13 11 Screw on the lateral...

Страница 24: ...fter then screw on the presser foot Screw tension base plate 1 Check tomake sure both tension discsare at ieast0 5mm apart ifthe tension discsare either toofarapartor tooclosetogether remove tension b...

Страница 25: ...ver Into the knee lever joint 15 3 Lowerthe presser footonto the needle plate by means ofthe presser footlifter 15 4 Loosen locknut 1 of the rightstop screw 2 and turn the stop screw out a few turns 1...

Страница 26: ...crew 2 out a few turns Raise thepresser barlifter place the7 mm or 9 mm thick blade ofthegauge under the presser footand lowerthe presser bar lifter again Move the knee lever to the right untila notic...

Страница 27: ...sufficiently to permit thevertical knee ievershaft2 to be tumed in crank 3 against resistance 17 3 Adjustthe kneeleverso that kneeleverconnectingrod4 whenat rest Ispositioned at abt 15 to the left of...

Страница 28: ...of 0 87 kg dm We recommend Pfaff sewing machine oil No 280 1 120 144 Turn in regulating screws1and2oftheoil checkvalve asfar asthey will go andthen back out by half a turn Turn on the master switch a...

Страница 29: ...ck of the machine arm 19 3 Adjust the position ofdrive wheels 2 onthearmshaftso thatboth winder spindles will be driven reliably whenthe bobbin winders are engaged butthatfriction wheels3 will notbe i...

Страница 30: ...ffabricunder the presserfoot 20 2 Operate the presser bar lifterto lowerthe presserfootonto the material 20 3 Loosen screw1 inthe elongated hole ofstop 2 20 4 Turnthebalancewheeltosewafewstitchesand b...

Страница 31: ...ng the balance wheel then set the take up lever at top dead centre Continue turning the balance wheel in rotating direction and allow the thread check springs to move back by 7 m In this position move...

Страница 32: ...From the library of Superior Sewing Machine Supply LLC...

Страница 33: ...ng motion 4 Lower needle bardrivingcrank 5 Counter balance 6 Bottom feed liftingmotion 7 Clearance between presserfootand needle plate 8 Feed dog height 9 Centering the needles inthe needle holes 10 P...

Страница 34: ...EBEE Nr 296 12 14003 WormserVerlagsdruckerei D 6520Worms PrintedinWest Germany 7 81 From the library of Superior Sewing Machine Supply LLC...

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