Singer 471U - Cutter Adjustment

Ul Cutter adjustment
Improper cutter adjustment maycause the cutter to fall immediatelyafter thestart ofspecialsewingoperations,
or may prevent it from falling even after the sewing operation is completed.
1. Cutter operating shaft adjustment
Loosen nut O and turn the cutter adjustment screw O until the cutter operating shaft bushing O to cutter
operating shaft O gap is 1 mm when the machine is stopped.
2. Cutter operating arm position adjustment
When the cutter push rod 0 is pressed, the thread breakage detector lever O is raised, and the pulley turned to
align the cutter drive lever 0 with theC clutch 0, theC clutch 0 to cutter drive lever 0 gap should be 0.5 mm.
Setthe machine to slow speed; next, loosen thetwoset screws 0 andshiftthecutteroperating holder 0 upor
down to adjust.
♦ To make the above adjustment, first remove the presser bar (refer to p. 13, [T] Presser assembly disassembly).
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From the library of: Superior Sewing Machine & Supply LLC