Complete disassembly of the 111 W 155
4-23.
4-24.
4-25.
4-26.
4-27.
4-28.
sewing machine is necessary to properly
set the timing sequence.
1.
True
2.
False
When the arm shaft is timed with the hook
drive shaft, it is necessary to turn the
balance wheel toward the operator until
which of the following components reaches
its highest position?
1.
Bell crank
2.
Needlebar
3.
Thread take-up lever
4.
Drive belt
In timing the arm shaft with the hook
drive shaft, you must align the timing
mark on the timing plate with the timing
mark on which of the following
components?
1.
Hook drive shaft
2.
Arm shaft
3.
Feed drive shaft
4.
Pinion gear
After timing the arm shaft with the hook
drive shaft, you should perform which
of the following actions?
1.
Set the hook to the needle
2.
Install the connection belt pulley
3.
Set the feed dogs
4.
Install the motor drive belt
Centering the feeding action on the
111 W 155 sewing machine is
accomplished by ensuring that the
feed dogs do NOT strike the throat
plate.
1.
True
2.
False
Which of the following actions prevent(s)
the needle from wandering from side to
side?
1.
Ensuring the needlebar rock frame
hinge stud is tight
2.
Ensuring the needlebar rock frame
guide bracket is tight
3.
Both 1 and 2 above
4.
Ensuring the needlebar is properly
timed and tight
4-29.
To set the 111 W class sewing machine to
4-30.
4-31.
4-32.
4-33.
4-34.
its maximum stitch length, which of the
following actions is required?
1.
Depress the plunger and turn the
balance wheel toward the operator
2.
Depress the plunger and turn the
balance wheel away from the operator
3.
Push the stitch regulator lever all
the way down
4.
Push the stitch regulator lever all
the way up
Which of the following actions allows
you to adjust the movement of the feed
dogs?
1.
Loosen the feed dog fork
2.
Loosen the feed driving crank pinch
screw
3.
Remove the throat plate
4.
Remove the feed driving cam
To time the sewing hook and the
needlebar on the sewing machine, you
should remove which of the following
parts?
1.
Throat plate
2.
Feed dogs
3.
Presser foot
4.
All of the above
Which of the following methods should
you use to adjust the hook guard?
1.
Loosen the two screws and move the
hook guard left or right
2.
Move the adjusting screw clockwise
3.
Bend the hook guard washer
Which of the following parts prevents
the needle from striking the sewing
hook ?
1.
Safety clutch
2.
Hook gib
3.
Hook guard
4.
Hook pinion gear
Which of the following parts controls
the feeding motion provided by the
alternating pressers?
1.
Feed driving cam
2.
Feed driving rock shaft
3.
Pressure lifting cam
4.
Pressure lifting eccentric
17