Instruction Manual
Page 20
... and needle plate gap. Set the needle and rotary hook point gap to "Thread Tension" in the supplementary instruction manual. Refer to 0.05 mm. Threading Needle groove direction Polish the needle hold in the feed dog. U Refer to p.7 of the...Install the needle in the needle plate. Improper threading. Bobbin sticks. Adjust the lubricating oil supply to p.12 of the supple. mentary instruction manual. Needle Replace the needle. Rotary hook lubrication. Upper thread tension. Rotary hook point damaged. Bent or blunt needle. z 8 Check that...
... and needle plate gap. Set the needle and rotary hook point gap to "Thread Tension" in the supplementary instruction manual. Refer to 0.05 mm. Threading Needle groove direction Polish the needle hold in the feed dog. U Refer to p.7 of the...Install the needle in the needle plate. Improper threading. Bobbin sticks. Adjust the lubricating oil supply to p.12 of the supple. mentary instruction manual. Needle Replace the needle. Rotary hook lubrication. Upper thread tension. Rotary hook point damaged. Bent or blunt needle. z 8 Check that...