14
EccEntric pin
ScrEw
Both clEarancES Should BE Equal
MECHANICAL ADJUSTMENT
NEEDLE DROP POSITION
TO CHECk:
whEn thE nEEdlE SwingS in maximum zigzag width, thE diStancE BEtwEEn Both
EndS of thE nEEdlE holE on thE nEEdlE platE and thE nEEdlE drop poSitionS
Should BE Equal.
if not, adjuSt aS followS:
ADJUSTMENT PROCEDURE:
1. rEmovE thE facE covEr (SEE pagE 6).
2. SEt thE pattErn SElEctor dial at maximum zigzag width.
3. looSEn thE ScrEw.
4. turn thE EccEntric pin to adjuSt thE nEEdlE drop.
5. tightEn thE ScrEw.
6. attach thE facE covEr.
NOTE:
chEck thE hook timing aftEr thiS adjuStmEnt.
Summary of Contents for NH15
Page 1: ...1 SERVICE MANUAL MODEL NH15 PARTS LIST...
Page 23: ...23 WIRING 1 WIRING FOR MACHINE SOCKET UNIT L M M MOTOR L LAMP M L 120V 240V...
Page 34: ...34 MODEL NH15 PARTS LIST 1 2 3 4 4 5 6 7 8 9 10 11 12 13 14 8 4 15 16 17 8 8 18 19...
Page 38: ...38 MODEL NH15 PARTS LIST 1 2 3 9 5 8 6 7 4...
Page 40: ...40 MODEL NH15 PARTS LIST 2 8 1 4 5 7 6 3 9 10 11...