Page 16
HQ
18
Avanté User Manual
Important: Top tension should be adjusted only after
the bobbin case foundation tension adjustment is
made.
Puckering, gathers and thread breakage occur when
the top tension is too tight. Loops and thread nests
occur on the back when the top thread tension is too
loose. Tension may need to be adjusted depending on
the fabric, thread or batting you are using on each
project.
To adjust the top tension tighter, turn the tension
knob clockwise. To loosen the tension, turn the
tension knob counter-clockwise. Unlike the bobbin-
case adjustment, which requires minute adjustments
(like the tick of a clock), the top tension knob might
need to be turned anywhere from 1/4 of a turn to
2-4 turns to achieve balanced tension.
Note: Before adjusting your 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.
Top Thread Tension Adjustment
Cleaning and Lubricating the Machine
Only use light sewing machine oil in the HQ
18
Avanté. Internal oiling is not necessary on the
HQ
18
Avanté 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.
To lubricate, turn off the machine. Remove 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 22). The bobbin basket is the portion of
the hook that the bobbin case snaps into. The bobbin
basket remains stationary while the hook rotates
Maintenance
Figure 22
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 sew a scrap piece 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
Never use any chemicals to clean your display as
this may adversely affect the touch screen response.
Use a soft rag dampened with isopropyl alcohol and
gently wipe the display to remove any marks.
Summary of Contents for Avante QM30235
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