Trouble Shooting - Hawk 220 Operator's Manual

TROUBLE SHOOTING GUIDE _
PROBLEM
Excessive blade
breakage
POSSIBLE CAUSE
Improper blade size
for wood thickness
Cutting too tight a
radius for blade
size
POSSIBLE SOlUTION
Select proper blade
size. Increase
blade size for thick
wood. See Blade
Selection Chart.
Increase radius
size or reduce
blade size. Refer to
Turns and Corners in
Sawing Section.
Install blade
properly. See Blade
Installation
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Improper blade
installation.
Blade burns the
wood
Wrong blade size
Cutting too small
a radius
Improper feeding
Pushing sideways on
the blade
High resin content
in wood
Feeding too fast
Increase blade size
Refer to Blade Selec-
tion Chart.
Increase radius or
decrease blade size.
Refer to Turns and
Corners in Sawing
section.
Feed material at 4
0
right to left. Refer to
Straight Line Sawing in
Sawing section.
Feed straight so
not to bend blade left
or right. Refer to Saw-
ing section.
Saw against grain
when possible, use
new blade.
Reduce feed rate.
Refer to Sawing
section.
Increase blade
tension. Refer to
Blade Installation
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Increase blade
tension. Refer to
Blade Installation
Procedures.
Improper blade size Increase blade size
See Blade Selection
Chart.
Slow feed rate. Refer
to Sawing section.
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Improper blade
tension
Blades bend back
excessively or
twist while
Improper blade
tension
sawing
Feeding too fast
Blade cutting
too large a
radius
Blade too large
Blade tension low
Improper feeding
Board splintering
on the bottom
Wrong blade size
Wood grain stringy
or knotty
Use smaller blade.
See Blade
Selection Chart.
Increase blade ten-
sion. See Blade Instal-
lation Procedures.
Turn board properly
See Turns and Corners
in Sawing section.
Use smaller blade.
See Blade Selection
Chart.
Use masking tape on
the bottom at the saw
line.
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Rough cut on the
bottom
Blade too large Use smaller blade.
See Blade Selection
Chart.
Increase blade ten-
sion. See Blade Instal-
lation in Saw
Procedure.
Use better quality
wood.
Feeding too fast Slow feed rate. See
Sawing section.
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Blade tension low
Poor quality wood
Blade doesn't
follow pattern
line
Improper feeding.
Feed at an angle
right to left of
approximately 4
0
straight into the blade
Operator error-Not
following line
Blade dull
Practice. See
Straight Line
Sawing section.
Practice.
Replace blade. See
Blade Changing
Procedure.
Increase blade size
See Blade Selection
Chart.
Blade too small
Improper blade
tension
Increase tension.
See Blade Installation
Procedure.
Forcing material Reduce feed speed.
into the blade. See Sawing section.
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Wood jumps on Improper hold down Adjust the hold
the table adjustment down to apply pres-
sure to the board.
Install blade
properly with teeth
pointing down. See
Blade Changing
Procedure.
Blade installed
upside down
Turning too tight of
a radius
Increase radius
size. See Turns and
Corners in Sawing
section.
Hold board firmly
on the table,
especially when turn-
ing. Feed properly.
See Sawing and Saw-
ing Straight Line
sections.
Reduce feed speed
Feed properly. See
Sawing section.
Turn bracket
90°
or
flip bracket over
Not using hold down
and not holding
board down firmly
Bellows not blowing
dust away from
work area
Sawing too fast
Pressing sideways
on the blade
Air leakage around
bracket
Hose kinked
Straighten hose,
adjust hose routing
Tension belt (see pro-
cedure)
Tighten set screw. (Be
sure screw tightens on
flat side of shaft)
Blade stops moving Belt loose
while sawing
Pulley turning on
shaft (Loose set
screw in pulley)
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