Jet HBS-56MVS, Operating Instructions And Parts Manual

Page: 11 / 32

11
7.0 Adjustments
7.1 Tools required for adjustments
(Not all may be needed depending on adjustment.)
Wrenches 10, 12, 14mm
Hex wrench 6mm
Square
Straight edge
Small clamp
7.2 Blade-to-table squareness
The blade must be perpendicular to table to ensure
a straight cut. This setting should be verified during
initial setup. Special blade setting gauges can be
purchased for this type of inspection; however, it can
also be done using more common shop items, as
follows.
1. “Extend” the surface of blade by clamping a
straight, flat object to blade. (Figure 7-1 uses a
small, lightweight aluminum ruler.) Use a
lightweight clamp.
Figure 7-1
2. Place a square on table and against ruler. The
square should lie flat against ruler without a
gap.
3. If there is a gap, loosen bolt (A, Figure 7-2) on
each blade guide assembly and rotate blade
guide assemblies until gap is eliminated
between square and ruler.
4. Retighten bolts (A).
5. After making this adjustment, be sure to re-
check other blade adjustments as noted in this
manual.
7.3 Squaring vise to blade (90° stop)
For accurate cutting, vise jaws must be square to
blade. Inspect as follows:
1. Loosen handle (B, Figure 7-2) and make sure
bow is swiveled enough that the stop screw (C)
is contacting the fixed screw (D).
2. Place a machinist’s square on the bed against
blade and fixed jaw of vise, as shown in Figure
7-2. The square should lie along entire length of
jaw and blade without a gap.
Figure 7-2
3. If vise and blade are not square, loosen hex nut
on stop screw (C, Figure 7-1) with 10mm
wrench and rotate stop screw as needed until
vise and blade are square whenever the stop
screw is contacting the fixed screw.
4. If vise and blade are square but pointer (E,
Figure 7-2) is misaligned, loosen screw and
adjust pointer until it aligns with zero on scale.
Tighten screw.
Note : The handle (B, Figure 7-2) is adjustable.
Simply lift up on handle and rotate it on the pin.
Release handle, making sure it seats itself properly
on pin.
Figure 7-3
7.4 45° stop
Swivel bow to 45° angle. Use machinist’s protractor
or similar 45° device to verify angle of blade to vise.
If adjustment is needed, loosen hex nut on 45° stop
(F, Figure 7-3) and rotate screw as needed with
10mm wrench. When satisfied, tighten hex nut.