Jet HVBS-710G, Operating Instructions And Parts Manual

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9.11 Setting blade speed
1. Turn machine OFF.
2. Turn lever (Figure 23) to desired setting:
#1 – 145 sfpm
#2 – 200 sfpm
#3 – 245 sfpm
Do not change blade speed
during cutting operation.
Figure 23
Material chips or shavings are the best indicator of
proper blade speed and downfeed rate. See
section 11.4, Evaluating cutting efficiency.
9.12 Blade guide adjustment
1. Loosen knobs (A, Figure 24).
2. Slide guide assemblies as close to workpiece
as possible, without interfering with the cut.
This will prevent excessive blade exposure,
and deflection of blade during cutting.
3. Retighten knobs.
Figure 24
The guide bearings come pre-adjusted from the
factory, but should be inspected frequently and
adjustments made as needed.
For most efficient operation and maximum
accuracy, provide 0.001” clearance between the
blade and the guide bearings. The bearings will still
turn freely with this clearance. If the clearance is
incorrect, the blade may track off the drive wheel.
1. Disconnect machine from power source.
2. Raise bow to vertical and secure in place by
turning off hydraulic cylinder.
3. Loosen socket head cap screw (B, Figure 25)
and adjust guide assembly until back roller
bearing (C) is slightly contacting back edge of
blade.
4. Loosen nut (D) and rotate eccentric shaft (E)
to adjust side bearing until bearing just
touches side of blade. Do not pinch the blade.
5. Blade should still move up and down freely
when grasped as in Figure 26. Make sure
blade teeth do not interfere with guide
bearings.
Make sure power is
disconnected and hands are protected
before handling blade.
6. Tighten nut (C).
7. Repeat for other blade guide assembly.
Figure 25
Figure 26
9.13 Chip brush
The chip brush (B, Figure 19) must be properly
adjusted and maintained in working condition;
otherwise damage to blade can occur. Adjust the
brush so that its bristles overlap the blade.
Replace brush if it becomes worn or damaged.