Singer 620 - Page 14

THE RELEASE MECHANISM (Cont'd)
Adjustments
Setting the Release Mechanism
Remove arm top cover.
Be sure stitch pattern selectors are properly en¬
gaged. Otherwise, machine will not engage when in
operation. If machine does not engage after selectors
are engaged, the releasing mechanism requires ad¬
justment as follows:
Loosen bracket screw in adjustable bracket and
engage release mechanism by swinging the bracket
to the right by hand until it engages. Tighten screw.
Front Stop and Selector Mechanism Assembly
REAR RETURN SPRING FRONT RETURN SPRING
E3 jmm
rear stop
BUSHING (SPLIT)
M3
FRONT RETURN SPRING
CAM SELECTOR ARM SHAFT FOR 626 MACHINE
Loosen screw on adjustable lever ana move the
lever until it mcKes contact with the plastic sieeves.
— .rn -ana .vheei to ns are enaacsment or •eieasmc
ever. Rs- r : a n t sn screw sec’jrsiv.
Setting the Loading Cam
The Loading Cam should be pre-set to within
1/32 to 1/16 inch from cross-shaft boss, as shown.
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