CHECK
SPRING
SETTING
HEIGHT - With
machine
threaded,
turn
handwheel
in
direction
of
machine
rotation.
As
take-up lever begins to rise, the check spring should dip slightly, then return to its origi
nal position (Fig. A).When
the
thread
take-up
lever
approaches
the
top of its stroke
the
check
spring
should
be
drawn all
the
way down (Fig. B).As
take-up
descends
the
check
spring
should
return
to
its
original position.
To adjust height, loosen locking
set
screw. Rotate entire tension assembly
as
required,
and
retighten
set
screw.
Tension Assembly
Locking
Set
Screw
FIG.
A
w
TENSION
Tension on the check spring should be
sufficient to ensure action at top speed,
but still
light
enough to
allow
spring to be
drawn all the way down before any thread
is drawnthrough the tension assembly.
Toadjust, securely
tighten
set screw
(Fig.
A).
Hold
thumb nut stationary
(Fig.
C).
Using
screwdriver,
turn
tension
stud
clockwise
to
Increase
tension
and
coun
terclockwise
to
decrease.
11
FIG.
B
Thumb
Nut
Tension
Stud
FIG.
C
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