16. Securely tighten set screw T2.
17.
Push
hinge
studY2
fully
into
machine
casting
and
securely
tightenset
screw
W2.
18. Turn
machine
pulley
slowly,
by hand,at
least
one
complete
revolution;
testing
take-up
for
binding,
end
shake
and
noise.
If
binding
occurs,
recheck
clearance
between
take-up
and
wearing
plate C3 and
between
hinge
stud
Y2
and
machine
casting.
19.
Replace
presser
bar
pressure
regulating
thumb
screw
R2,
Fig.
20,
page
13.
20.
Replace
and
adjust
upper
needle
bar
bushing
(drop
feed),
needle
bar
frame
(compound
feed)
and
needle
bar
wi^
their
accessories,
as
instructed
on
pages
2
and
13.
21. Replace and securely tighten arm hole plug S2.
22. Replace the face plate as instructed on page 2.
TO
REMOVE
AND
REPLACE
ARM
SIDE
SHIELD
WICK,
NEEDLE
BAR
WICK
AND NEEDLE BAR CONNECTING STUD WICK (See Fig. 23)
(On Drop Feed Machines)
Arm side shield wick may be removed, after removing
the face plate and the screw F3. Lift arm side shieldG3 up
and
out
of
machine.
When
replacing
arm side
shield
wick, make sure that
lower end
of
wick drops into oil pool beneath needle bar
crank and
that
the two upper wick loops are located as
close as possible to the needle bearing at B3, Fig. 24, with
out
touching them. Then securely tighten screw F3.
To remove needle bar wick and connecting stud wick,
move take-up lever A3, so that it does not interfere with
removal of oil guard P2. Then remove face plate and screw
M2; lift take-up oil guard P2, with the
top
wicks, up and
out
of
machine.
Whenreplacingthe oil guard P2, which carriesthe needle
bar wick and connecting stud wick, make sure that lower
end
of
the stud wick drops into oil pool behind lower
needle bar bushing and
that
the loop
of
needle bar wick is
placed behind
the
needle bar, as shown in Fig. 23.
-16-
SIDE
SHIELD
WICK
Fig.
23
B
NEEDLE
BAR
WICK
STUD
WICK
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