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Pfaff 145 Support Question

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Question posted by daletuberville on January 23rd, 2021

Pfaff 145 Tension Problem

I have a Pfaff 145 and the tension does not operate properly. I bought a new tension assembly but the problem seems to be on the back of the machine. The rod does not move to release the tension on the thread unless you move the foot lever. Does not move during sewing, so the thread locks up and breaks. I would love to find a repair manual and a parts list but I can only find an instruction manual. I have been sewing for the public for 25 years but this type of machine is new to me.

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Related Pfaff 145 Manual Pages

Owner's Manual - Page 2

... Chapter 6). the sewing speed should constant use rusty needles. thread jamming, hold both thread ends until the parts which sews with unison forward and feed, smoothly backward. machine equipped hook, which are in the mechanism, run until the machine has made a few... Machine Operation ...

Owner's Manual - Page 3

... grease by year. The sewing oilhole R in cases is recommended to the special lubricating properties gear teeth should be oiled each day the machine is in operation (see arrow and Although the bevel gears are enclosed in hook must Fig. 4). be greased only lightly. and require no special maintenance, it Pfaff grease No. 280...

Owner's Manual - Page 5

... be required. the bobbin winder pulley rotates in the direction indicated by turning nut 6. 4. If the thread should pile winder tension sideways, up at one as may end of 7, the bobbin adjust the The tension on the bobbin is regulated by an arrow in R9929 Fig.5 4 adjust the position this screw clockwise for...

Owner's Manual - Page 6

... finger. Changing the Bobbin and Threading the Bobbin Case Raise the needle to its highest position and open latch B (Fig. 6), then push the thumb nail under the tension spring V. With the thumb of... Place a full bobbin in the bobbin case cap so that the thread draws on the center stud in Fig. 7. Leave a loose end of the machine with the bobbin on top from the left toward the right, as...

Owner's Manual - Page 7

... uses System 190 needles. 134 needles, Needle Point Styles These needles are stitched with available with different various 134 R. Needle and Thread Sizes The correct needle size is inserted in the Needle Systems The Pfaff 145 while Model H unison-feed machine in hundredths diameter of millimeters. should be pulled results, through The needle size...

Owner's Manual - Page 8

Select the proper needle and thread sizes from the chart below: Model Needle Size Cotton A H1,H2 B H 1, H 2, H 3 H2,H3,...40/3 50/4-40/4 30/3 30/4 30/6 24/3 24/6 20/3 12/3 12/6 10/9 8/6 6/6 6-ply fancyeffect thread 9-ply fancyeffect thread 9-ply fancyeffect thread 12-ply fancyeffect thread Silk 140/3 Synthetic 200/3-150/3 Linen 120/3 140/3-120/3 100/3 120/3-100/3 80/3 70/3 60/3 100/3- 80...

Owner's Manual - Page 9

...screw A Never use rusty needles 8. Threading the Needle 7rcatP,ihorgaorn9hseu,ttsarnadotdnotlhlduetelnrhe1wrf0tdethiiansrtadhedcnaredodrr5,ue,... short groove faces toward the and tighten needle set screw A (Fig. 8) half a turn, Insert a new sewing hook. securely. et8hd)trihtosharcuenrsgeadahd4dt,htghruguernuieaddiaddeederg7gu,tohiufdfriredetoahem2dse, R9932 '' 8 Fig.8 7.

Owner's Manual - Page 10

... needle and bobbin threads interlock in the center of both threads back under the presser foot, place the material in Fig. 11. 9. Fig. 9 Upper tension too loose or lower tension too tight Fig. 10 Upper tension too tight or lower tension too loose Fig. 11 Both tensions properly balanced When you , as shown in the machine and lower the...

Owner's Manual - Page 11

...,asfroeirtgwuwaliraldltogrseow,leitvnheger If desired, the machine can be overcome tT(iFgaihkg.teer7th)teenwbsiitohobnb,tihnoercchaoosueonktoeusrtc-croelofwctdkhrweiviesmer,acfoharsinaeaplaopnordsoeprrreitagetunels.aitoeTnu.trhne tension by foot action. length is correct if when pulling the thread a noticeable resistance out of spring...

Owner's Manual - Page 13

...drive. it up as far as it back and forth slightly. so that the needle securely. sewing head and rotate the until the tip of the hook timing and damage to the bar lifter ... 14. safety clutch case base in which case prevents of thread disturbance jamming in If an irregulary spun needle sewing hook, the safety clutch thread should jam in its highest slightly to the bobbin the hook...

Owner's Manual - Page 15

..., both treadles switches the machine to facilitate the removal of the Pfaft 145 Equipped with the timeand cost-saving subcl. -900/06 thread puller/trimmer. After sewing: needle down in Models A and B can be equipped with -900 Thread Puller/Trimmer On special request, the Pfaff 145 in the material. The various treadle operations can be seen from the...

Owner's Manual - Page 16

.... Needle bent. Needle point blunt or damaged. Replace needle. Correlate needle, thread and fabric as you rock the balance wheel back and forth. Insert new needle. Wrong lubricant. Hook race obstructed by pieces of thread to free the jammed thread as shown in table in Chapter 6. Use only non-resinous and acid-free sewing machine oil.

Owner's Manual - Page 17

...; . 9 10 • . 11 • . 11 12 • . 12 13 14 15 16 Threading the Needle 9. Drawing Up the Bobbin Thread 10. Fundamentals of Machine Operations 3. Changing the Needle 8. Regulating the Pressure on the Material . . 13. The Pfaff 145-900 18. Changing the Bobbin and Threading the Bobbin Case 6. Cleaning the Sewing Hook 14. Setting the Foot Lift 17.

Owner's Manual - Page 19

Component Parts for the Pfaff 145 in Models A,B,C,D and H1,H2,H3,H4 Part Name Model Hi H2 H2 H3 H3 H4 A;B A;B C B C;D C;D Balance ..., rear 91-002 504-5 9i-02 504-45 9110 617-J5 91-002 5044-5 91-010 617-45 9110 617-Ji5 Hook Components for the Pfaff 145 in Models A, B, C and D Port Name Hook, with bobbin case, complete (hook, coWlete iAi C ' / , 7 Hook / jj_. ( Hook gib Hook...