Singer 281-5 - Preventing Changes in Stitch Length; To Operate the Trimmer

REGULATING THE STITCH LENGTH (continued)
Machines 281-22 and 281-24
1. Remove needle from machine.
2. Depress plunger, shown in Fig. 32, on top of arm.
Continue to hold plunger down - - -
3. Turn machine pulley over toward
you--- until
plunger drops (entering notch in arm shaft eccen
tric).
4. Turn plunger, toward right or left, 1/4 turn, to lock
position.
5. Depress stitch length button, shown in Fig. 32.
6. Turn machine pulley over toward you - - • until
but
ton drops.
7. Turn machine pulley to desired stitch length and
release button.
8. Turn plunger toward right or left until it releases,
springing upward.
TO PREVENT JAMMING OF MACHINE: PLUNGER MUST
ALWAYS BE DISENGAGED BEFORE STARTING MACHINE.
Never depress either button or plunger while machine
is running.
Never turn machine pulley with plunger in locked posi
tion unless stitch length button is depressed also.
PREVENTING UNAUTHORIZED
CHANGES IN STITCH LENGTH
Stitch regulator button may be removed by loosening
the arm top cover screws and removing arm top cover,
as shown in Fig. 33.
Remove retaining ring near tip of button allowing
button to be withdrawn.
Hole in top cover should then be filled by inserting
plug screw 140607 which may be obtained at additional
charge.
Replace arm top cover.
TO OPERATE THE TRIMMER /
(MACHINE 281-5)
To engage the vertical trimmer, push DOWN on
lever, shown in Fig. 34.
To raise the knife out of the way, push IN button
on face, as shown.
FROM THIS POINT ON, INSPECT AND ADJUST
THE MACHINE, WHEN IT IS REQUIRED, IN THE
ORDER GIVEN.
STITCH LENGTH BUTTON
PLUNGER
LOCK i
Fig. 32. Reguioting the Needle Feed and Drop Feed,
Machines 281-22 and 281-24
BUTTON
RETAINING
RING
Fig. 33. Removing Stitch Length Regulator Button
PUSH IN
TO RELEASE
r m
PUSH DOWN:
TO ENGAGE
r Fig. 34. Operating the Trimmer on Machine281-5
From the library of: Superior Sewing Machine & Supply LLC