Harbor Freight Tools 3914 - Manual (Page 12)

Page 12 For technical questions, please call 1-800-444-3353. SKU 3914
Cap over the end of the Upper Spool
Rest Rod.
Mounting the Bobbin winder
The Bobbin Winder is used to wind
thread onto the Bobbin (17h). It is
mounted so that it contacts the Belt (71j)
when needed for bobbin winding.
note: Unless indicated otherwise, all parts
referred to in this set of instructions are
listed in the i - Bobbin winder & thread
Stand unit parts list and diagram.
During assembly, it will be helpful to refer
to that list and diagram.
Set the Bobbin Winder to the ‘ON’
13.
Position - See Bobbin winder
Operation on the following page.
Figure 15
Mark
pilot
holes
here.
14. Make sure the Bobbin winder is in the
‘On’ position. Position the Base (1i)
so that the Wheel (3i) lines up with, and
just touches, the belt. Mark pilot hole
locations on the table through the center
of each of the two channels in the Base,
as indicated above.
Set the Base (1i) aside and drill pilot
15.
holes for each of the two marked
locations. Reposition the base and
secure using two Wood Screws (26i) and
Washers (27i). Leave the Screws just
loose enough to allow the Base to slide.
Figure 16
Belt (71j)
Wheel (3i)
Less than 1/8” gap
between Belt (71j) and Wheel (3i)
16. Put the Bobbin Winder in the ‘OFF’
position - See Bobbin winder
Operation on the following page. Slide
the Bobbin Winder Assembly close to
the belt until it just barely doesn’t touch
it (1/8” gap or less) - as shown above.
Tighten the Wood Screws (26i) securely.
installing the Belt covers
Install the Front Belt Cover (4h) over 1.
the Sewing Machine Hand Wheel (7b),
using the Belt Cover Support (11h), the
Belt Cover Bolts (10h, 12h), and the Belt
Cover Cap (5h).
To install the Rear Belt Cover (7h), align
2.
the cover on the Tabletop over the back
side of the opening where the Belt (71j)
enters the tabletop. Mark where to drill
holes. Remove the Rear Belt Cover and
drill pilot holes. Secure the Rear Belt
Cover in place using Wood Screws (9h).
OperatiOn
caution: to properly break-in your new
sewing machine, and avoid possible
damage to the machine, sew at
reV 07a, 10b