Pfaff 1245 - 1246 Owner's Manual - Page 65

Requirement

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Adjustment 11 .05.08 Final adjustment of the control cam Requirement When control lever 3 is engaged and the needle point is 12 mm above the needle plate coming from its BDC, the motion of the thread catcher 5 must begin. /Th\ 3 cW I 4-'N Jc / FAFF Fg 1124 • Bring the take-up lever to just past its TDC by turning the handwheel and loosen the accessible screws on control cam 1. • Continue turning the handwheel in its direction of rotation until the machine is in needle rise position and then activate engaging lever 2. • Taking care to ensure that control lever 3 is engaged, loosen the remaining screws on control cam 1. • Continue turning the handwheel in its direction of rotation until the point of the needle is 12 mm above the needle plate. • In this position, and taking care to ensure that control cam 1 is touching retaining collar 4, turn in the direction of rotation until you feel some resistance. • In this position, tighten the accessible screws on control cam 1. • Make the remaining screws on control cam 1 accessible and tighten these as well. • Carry out a check in accordance with the requirement. 11 - 27

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Adjustment
11
.05.08
Final
adjustment
of
the
control
cam
Requirement
When
control
lever
3
is
engaged
and
the
needle
point
is
12
mm
above
the
needle
plate
coming
from
its
BDC,
the
motion
of
the
thread
catcher
5
must
begin.
/Th\
3
cW
I
4—’N
Jc
/
Fg
1124
•
Bring
the
take-up
lever
to
just
past
its
TDC
by
turning
the
handwheel
and
loosen
the
accessible
screws
on
control
cam
1.
•
Continue
turning
the
handwheel
in
its
direction
of
rotation
until
the
machine
is
in
needle
rise
position
and
then
activate
engaging
lever
2.
•
Taking
care
to
ensure
that
control
lever
3
is
engaged,
loosen
the
remaining
screws
on
control
cam
1.
•
Continue
turning
the
handwheel
in
its
direction
of
rotation
until
the
point
of
the
needle
is
12
mm
above
the
needle
plate.
•
In
this
position,
and
taking
care
to
ensure
that
control
cam
1
is
touching
retaining
collar
4,
turn
in
the
direction
of
rotation
until
you
feel
some
resistance.
•
In
this
position,
tighten
the
accessible
screws
on
control
cam
1.
•
Make
the
remaining
screws
on
control
cam
1
accessible
and
tighten
these
as
well.
•
Carry
out
a
check
in
accordance
with
the
requirement.
FAFF
11
-
27