SINGER 14U285B - Manual (Page 41)

28. How to replace stationary knifs
The stationary knife (available from your Singer Dealer)
should be changed when it becomes dull.
The stationary knife can be replaced according to the
following steps, however if there are any difficulties ex­
perienced, call your Singer representative to make the
adjustment.
(1) Be sure that the power line plug is disconnected from
the wall receptacle.
(2) Open the looper cover and set the movable knife in the
non-operating position (see page 11).
(3) Loosen the stationary knife set screw and remove the
stationary knife.
(4) Place a new stationary knife in the groove of the
stationary knife holder, align the cutting edge level
with the top surface of the throat plate and tighten set
screw.
(5) Return the movable knife to its original position.
29, How to exchange light bulb
Light bulb (available from your Singer Dealer) is a
bayonet type 2 volt, 6 watt bulb.
Disconnect power-line plug.
Remove light cover as shown in figure, turn bulb to left
and remove. To replace, push bulb into socket and turn
to right.
30. How to adjust presser foot pressuri
The presser foot pressure of this machine is pre­
adjusted at the factory to suit the sewing of
medium weight fabrics.
It may become necessary to adjust the pressure in
the case of dehcate or heavy weight fabric.
For lightweight fabric — Decrease the pressure (as
shown at left).
Heavyweight fabric — Increase the pressure (as
shown at left).
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