Pfaff hobby 1037 Owner's Manual - Page 15
Checking, Performance
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C) CDDC CD CCDD C. 0. C0D U' C9 5. .4 "I C, .C4D C. 0 z C. CD CCD. 0 -4. CCD. C. 0 CD CD 3' 0 (V C, C'0CD DC C 0 'C 0• "4 (a, 0 CD .4 0 'C C0'CD DC 0. 0 0 z 'a, 0. DC rCD p. (fTl Cl) rDC' 3' .4 ,.4 ,- In -' .4 CD 0 0. CD o 0 C') oC.CD , CD N - DC DC C DC DC DC CD C• D ' (V DC 0 0 0 - E '2: . - DC - ,, In ;- 2. ' C• 0 ë" a .4 . ;. CD 5: -. I -s >c, o-' zCD (V In D-C' 'C 0 C 0 . C. PROBLEM Fabric not moving Breaking Needle Breaking Bobbin Thread CHECKING PERFORMANCE PROBLEMS WHAT TO DO PROBABLE CAUSE - Feed dog down. - Machine not moving. . Stitch length dial in o position. - Light pressure on presser foot. - Incorrect setting of needle. - Needle bent. • Pulling fabric. - Incorrect use of needle, thread or fabric, - Improper threading. - Tight upper thread tension. - Needle bent. - Nicks or burrs on shuttle. CORRECTION Raise feed dog. Tight stop motion. - Moving dial to 1 -4. - Increase pressure on presser foot. - Reset needle. - Fit new needle. - Do not pull fabric. - Correct use of needle, thread or fabric. - Re-thread machine. - Loosen upper thread tension. Fit new needle. - Replace shuttle, or polish off burrs completely. Machine Jamming Knocking Noise Puckering - No oil. -Dust and thread in shuttle. - Tension too tight - Sewing foot pressure too strong. - Incorrect use of fabric, and thread. Needs oiling. - Clean shuttle. - Reset. - Adjust sewing foot pressure. - Use correct fabric, needle and thread.