To Adjustthe Feed Dog Height - Kenmore 16677 - Serger Sewing Machine Servicing Manual

TO ADJUSTTHE FEED DOG HEIGHT
CORRECT SETTING:
WHEN THE PRESSER FOOT IS LOWERED AND FEED DOGS ARE ATTHEIR HIGHEST POSITION,
THE DISTANCE BETWEEN THE SURFACE OF NEEDLE PLATE AND BOTTOM OF PRESSER FOOT
SHOULD BE 0o75 TO 0.95 MM.
TO ADJUST:
1. SET THE STITCH LENGTH DIAL AT" 3 "AND THE DIFFERENTIAL FEED DIAL AT" 1.0".
2. REMOVE THE BACK COVER UNIT.
3. LOWER THE PRESSER FOOT AND RAISE THE FEED DOGS TO THEIR HIGHEST POSITION
BY TURNING THE HANDWHEEL.
4. LOOSEN THE MAIN & SUB FEED DOG SCREWS (A), (B) (4 PCS.)
5. PUSH THE MAIN FEED DOG STRAIGHT UPWARD AND ADJUSTTHE DISTANCE BETWEEN
THE SURFACE OF NEEDLE PLATE AND BOTTOM OF PRESSER FOOT, THEN TIGHTEN
SETSCREWS (A) (2 PCS.)
6. WHEN THE TOP OF THE MAIN FEED DOG IS LEVEL WITH THE TOP SURFACE OF NEEDLE
PLATE IN ITS DOWNWARD MOTION BY TURNING THE HANDWHEEL, PUSH THE SUB
FEED DOG STRAIGHT UPWARD UNTIL ITS TOP SURFACE IS TO BE LEVELED WITH THE
TOP SURFACE OF NEEDLE PLATE. THEN TIGHTEN SETSCREWS (B) OF THE SUB FEED
DOG.
7. CHECK IFTHE FEED DOGS ARE ATTACHED IN PARALLEL TO THE SURFACE OF NEEDLE
PLATE WHILE TURNING THE HANDWHEEL.
8. ATTACH THE BACK COVER UNIT.
0.85 MM
10