Add Information:
Adjusting the
1. Mak
spring
b. Hook Driver Lock tab
d.
2. Place the
placed in
hook uni
3. Insta n
ctly. The driver shaft has a little cut
c.
4. Plac e
5. Tricky p
bobbin) t
TOOL REQUIRE
It really helps h
Also required
Flat bladed sc
inches.
Adjust bobbin
1. Posi
2. Black Po should have about 15ths (.01
free play
3. Adjust , which is located on the front bed of
the m ket eccentric stud.
itional Bobbin Winder Adjustment
bobbin winder on most later 600 & 700 series:
e sure all the parts are in tack and not broken
a. Coil
a b c d
c. Lifter
Lock nut
hook driver inside the hook and ensure it is
the proper position. It should lay flat on the
t
ll u derneath parts.
a. The coil spring goes inside the hole as indicated in the top photo (part a).
b. The hook driver lock tab is next. Make sure is fits on the hood driver shaft corre
out that if must fit onto.
Install the lifter
d. Install the locking nut, and snug tight
e th cam lifter on the activation lever shaft
art – adjust so when the activation lever is activated (pushed to the left to wind a
hat it raise’s the hook driver no more than 5/64 to 3/16 inch. Adjust as necessary.
MENTS
to ave a depth gauge
tool – 1/16 Allen wrench
rew driver, small and medium, both with shafts about 10 to 12
case free play:
tion Finger should fit the bobbin case, as if they match together
5) of an inch sition Bracket
position bracket eccentric as needed
achine, just in front of the position brac
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