Janome 13512 Service Manual

5, Janome 13512 3 PROBLEM CAUSE REMEDY REFERENCE 6. Noisy 1. Backlash between shuttle hook See mechanical adjustment P. 14 operation gear and lower shaft gear is “Clearance between needle and too great. hook (NO. 2).” 2. Lower shaf…

11, 9 (B) (E) (D) (C) Cotton thread #50 MECHANICAL ADJUSTMENT BOBBIN TENSION TO CHECK: Set the bobbin in the bobbin case and pass the thread (cotton #50) through the tension spring. The bobbin thread tension should be 45–55g when pulling the thread in the direction of (B). If the tensi…

13, 11 Upper shaft worm Gear Setscrew (2 pcs.) 2–3 mm MECHANICAL ADJUSTMENT NEEDLE SWING TO CHECK: Adjust the needle swing according to the following procedure, If the needle bar starts moving sideways while the needle is in the fabric when sewing the zigzag pattern (with maximum zigzag width). …

17, 15 Feed lifting pin 0.75-0.90 mm Needle plate MECHANICAL ADJUSTMENT FEED DOG HEIGHT TO CHECK: 1. Lower the presser foot. 2. Turn the handwheel toward you to bring the feed dog to its highest position. The height of the feed dog from the needle plate should be 0.75-0.90mm. If it …

24, 22 MECHANICAL ADJUSTMENT MOTOR BELT TENSION TO CHECK: 1. If the motor belt tension is too tight or too loose, it can cause a belt noise: if the tension is too toight, it can cause the machine to run slowly and the motor to overload; if the tension is too loose; it can cause …