Jet Elite ECB-1422V, Operating Instructions And Parts Manual

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ECB-1422V
13.11 BLADE TENSION & TRACKING
Push lever (D, Fig. 13-8) to the right to tighten the blade,
or left to detension it for blade replacement. Do not
overtension blades.
Blade tension has been preset by the manufacturer for the
supplied blade, at 313 psi (22kg/cm2). Tension is shown in
the gauge above the lever.
The safety limit switch (E) cuts power when there is a
sudden loss of tension, such as when a blade breaks, to
prevent further damage.
CAUTION: Tracking adjustments must be performed
by qualifi ed persons who are familiar with this type of
adjustment and the dangers associated with it.
The saw blade has been properly tracked from the factory.
If a tracking problem occurs, proceed as follows:
1. Raise saw head to a convenient position.
2. Disconnect machine from power source.
3. Locate tracking adjustment bolts on the backside of the
saw head behind the driven wheel (Figure 13-8).
4. Minor adjustment generally only requires turning the (F)
screw. More signifi cant adjustments may involve (G)
and (H) screws.
Fig. 13-7
Fig. 13-8
5. Loosen the inner hex cap screw (F ) and turn the outer
screw (F ) in or out as needed.
6. If blade has a tendency to come off the wheels, loosen
G and H inner hex cap screws. Turn outer screws
(G , H ) as needed. Turning clockwise moves blade
toward wheel; counterclockwise moves blade away
from wheel.
7. Tracking is set properly when the back of the blade
lightly touches the wheel fl ange. Note: Over tracking
(allowing blade back to rub hard against the wheel
fl ange) will damage wheels and blade.
8. Tighten inner hex cap screws (F , G , H ) to secure
settings.
IMPORTANT: If band saw will remain idle for an extended
period, back off blade tension to reduce unnecessary wear
on wheels and components.
13.10 LIMIT SWITCHES FOR SAW HEAD
The upper limit switch (A, Fig. 13-7) stops the saw head at
the height set by the upper stop (B). This should be set to
stop the head just above the workpiece, to optimize cycle
time.
The lower limit switch (C) stops the saw head in bottom
position after the cut, when it contacts the lower stop (D).
13.12 POWERED CHIP BRUSH
The chip brush is driven by the drive wheel. Keep the
brush in contact with the blade to prevent excess debris
from entering the wheel track; this will help prolong the life
of the blade.
Fig. 13-9
B
A
C
D
D
E
F
F
G
H
G
H