Reece 32

SEWING

B

NEEDLE AND LOOPER SYNCHRONIZATION

Eccentric Setting: The eccentric should be set such that when the Needle Bar is at the bottom of its stroke, the Looper assembly (loopers and holders) are at the maxi– mum rearward position. Position Needle Bar at the bottom of its stroke. Loosen socket head cap screw (A) on the looper crank assembly (B). While preventing the Stop Notion V-belt drive ·from rotating, turn the looper crank assembly in a direction that will place the looper assembly at its maximum rearward position. Tighten screw. LOOPER HOLDER ALIGNMENT Looperr Holders should be positioned with the center of screws (L) in line with the Ne~dl~s. To adjust: LOOPER SETTING TO NEEDLE BLADE \lhen the Needle Bar has risen from the bottom of its stroke, the Looper points should be central with the Needle Blades and just clearing their sides. until the Looper points are central with the Needle Blades. Loosen screws (M) and adjust Loopers to just clear the inner sides of the Needles. Needles should pass as close as possible to the heel of Loopers without deflection. To adjust: Rotate handwheel To adjust: Loosen quired. screws (L) and See sketch. position as re-

A

NEEDLES

LOOPER HOLDER---...:

From the Library of Superior Sewing Machine & Supply LLC