15
TO ADJUST THE HEIGHT OF
THE LOWER LOOPER
Correct setting:
The height of lower looper is 65.7 mm from center of lower looper shaft as shown in illustration.
To adjust:
1: Set the upper knife in down position to loosen set screw A.
2: Turn the handwheel to get the lower looper in rightmost position.
3: Replace the lower looper.
4: Turn the handwheel to get the lower looper in leftmost position.
5: Insert the gauge downwards into the lower looper shaft as shown.
6: Loosen set screw A, and move the lower looper up or down to get the tip of lower
looper is in line with guide line of gauge.
7: Tighten set screw A.
8: Remove the gauge and set the upper knife in up position.
NOTE:
You can adjust the height of lower looper without removing the lower looper thread guide.