JET 714400K JWBS-14SFX, 14-Inch Woodworking Bandsaw, 1-3/4HP, 1Ph 115/230V ( )

User Manual - Page 12

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12
4. Tighten screw (N).
5. Lower guard plate (M) and tighten in place.
6. Make sure all screws and lock knobs on upper
guide bearing assembly are tightened when
adjustments are complete.
5.14 Lower blade guides
Blade teeth are sharp; use care
when working near saw blade.
Refer to Figures 5-12 and 5-13.
1. Disconnect band saw from power source.
2. Open lower door.
3. Adjust lower guide bearings and lower thrust
bearing below table in similar manner to that of
upper guide and thrust bearings.
Movement summary: Loosen screws on guide
bracket (P) to adjust bearing assembly (refer to
Figure 5-11). Loosen screws (R) and rotate
eccentric guide bearings in relation to blade.
The thrust bearing is moved forward and
backward by loosening set screw (S) with 4mm
hex wrench and rotating knob (T). Retighten set
screw (S) to secure position.
4. Make sure all knobs and screws are tightened
after adjustments are complete.
Figure 5-12: lower blade guides (NOTE: right
bearing guard removed for clarity – removal not
necessary for adjustment.)
Figure 5-13: lower blade guides
5.15 Aligning table
The table must be adjusted so that:
Blade runs through center of table insert.
Table is aligned with blade.
Table is square to blade at 90° scale
reading.
1. Disconnect band saw from power source.
2. The table screws should still be only hand tight.
3. Lower blade tension lever (see D, Figure 5-7) to
tension position.
4. Install table insert (B, Figure 5-5). Blade should
be positioned at center of insert opening. If it is
not, nudge table left or right as needed to center
it.
Table must now be aligned with blade, and surface
set square to blade at 90° scale reading, as follows.
5.15.1 Table-to-blade alignment
5. With blade tension lever in tension position,
place a long straightedge flush against blade,
making sure it evenly contacts both front and
back of blade. See Figure 5-14. Do not deflect
blade by pushing into it.
Figure 5-14
6. Use a gauge (Figure 5-14) to carefully measure
distance from miter slot edge to straight edge.
Take measurements at both front and back of
table – these should be identical.
7. If miter slot is not parallel to blade, nudge table
with rubber mallet in the needed direction.
8. When parallelism is achieved (and blade is still
centered through table insert), securely tighten
the four trunnion screws (HP3, Figure 5-15).
5.15.2 Table-to-blade squaring and 90°
stop
9. Insert stop screw with nut (see HP6/8, Figure 5-
15) into threaded hole in table.
10. Set a square on table top and against blade, as
shown in Figure 5-16.
11. Loosen lock handle (L) and manually tilt table
until table and blade are square.
12. Tighten lock handle (L).
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