Reece 32

CENTER CUITit-K;

B

C

CENTER KNIFE TIMING The knife should be timed with the needle bar such that when the needle bar is coming dm·m, the center knife is coming down. Hi th the clamp table in the rear position and the main switch pushed pushed into OFF and the air supply is disconnected, remove the 3 screws on the handwheel (A) on knife drive shaft; now loosen the 2 screws on the drive pulley (B). You can now pull the drive pulley off the drive shaft (C) , rotate the drive shaft in a position that the center knife is all the waj up, ready to descend into the throat plate. Replace the drive pulley and belt, tighten the 2 set screws and replace handwheel and 3 screws. CENTER KNIFE HEIGHT SETTDlG To adjust: With the clamp table in the rear position and the power and air off, manually push knife holder up into cutting position; at this time, push the start/stop solenoid link up to engage the machine . Now rotate the handwqeel until centerknife is at the bottom of its stroke; loosen hex nut (D) on air cylinder rod clevis and screw rod into clevis (E) to raise the knife and out to lower knife. CENTER KNIFE FINISH CUT This adjustment should be made prior to setting the center knife ~tartcut. The center cut should stop cutting a pproximately 3/16 11 before the end of sew . The finish end dense limit switch fires the so lenoid valve; this valve is located on the right side of the machine behind the second panel. the cut– adj usted leading the top at bot- \-/hen the center knife is in ting posit ion, it should be so the knife point at the edge is 1/32 (. 03") below surface of the throat plate tom of stroke. See sketch. To adjust:

A

D

E

THROAT PLATE

.03"

From the Library of Superior Sewing Machine & Supply LLC