handi quilter HQ Sweet Sixteen QM30270, Руководство пользователя

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Page 15
Loosen Top Thread Tension
To loosen the tension, turn the top thread tension knob
(page 5, Figure 1, #5) counter-clockwise.
NOTE: Before adjusting the top tension, remember to floss
or pull the top thread up into the tension discs or it will
float outside the discs providing little or no top tension.
This could cause significant tension or nesting problems on
the bottom side of the quilt. If the top tension is too loose
(causing loops of thread on the underside of the quilt)
and no amount of tightening the top thread tension knob
seems to affect it, there’s a good chance that the thread
is riding on the outside of the tension discs and is not
“flossed” between them.
NOTE: Turn off the machine and remove the power cord
when performing maintenance on the machine.
Cleaning and Lubricating the Machine
Only use light sewing machine oil in the HQ Sweet Sixteen.
Internal oiling is not necessary on the HQ Sweet Sixteen
except when the machine is taken to a service technician
for routine maintenance and cleaning. The hook assembly,
however, needs regular lubricating. Failure to keep the
hook assembly lubricated can cause severe damage to the
machine.
Maintenance
Figure 18
To lubricate, turn off the machine. Remove the bobbin and
case before oiling. Clean around the hook assembly with
a soft brush to remove lint. Put a very small drop of oil on
the hook in the region where the bobbin basket assembly
and the rotating hook meet (see Figure 19)). The bobbin
basket is the portion of the hook that the bobbin case
snaps into. The bobbin basket remains stationary while
the hook rotates around the basket. The oil lubricates the
region where these two components interlock. A drop of
oil in the region indicated will work its way back into the
interlocking area of the hook and bobbin basket.
The frequency of lubrication depends upon the usage of
the machine. Lubricating is recommended before running
the machine if it has not been used regularly, or every
other bobbin change if used frequently. After oiling, always
stitch through a scrap piece of fabric, as oil may cling to
thread. Over-oiling can cause excess dripping from the
bobbin assembly. Lack of lubricant may be noticed by a
change in the sound of the machine and will affect stitch
quality.
Cleaning the Touch-Screen Display
Use a soft rag dampened with isopropyl alcohol to gently
wipe the display and remove any marks. Never use
any other chemicals to clean your display as they may
adversely affect the touch-screen response and clarity.
6
Having set the bobbin thread tension properly, and the
top thread looks like Diagram A :
Problem: The top thread is too tight.
Solution: Loosen the top thread tension discs.
Having set the bobbin thread tension properly, and the
top thread looks like DiagramB :
Problem: The top thread is too loose.
Solution: Loosen the top thread tension discs.
Diagram A
Diagram B
Tight Top Thread
Loose Top Thread
A stitch is balanced when the
top thread and the bobbin
thread meet in the middle of
the quilt sandwich.
Figure 19