1. Turn the blade tension adjustment handwheel
clockwise to increase tension and counter-clock-
wise to decrease tension
Before making blade tension adjustments, make sure that the switch is in the “OFF” position and that the power
cord is unplugged.
Determining ideal blade tension is somewhat subjective. It is learned through practice and experience and is
somewhat dependant on personal preference and individual work habits.
A properly tensioned blade is critical to obtaining maximum performance from any bandsaw. A properly tensioned
blade will last longer and be much less likely to break prematurely. If the blade tension is too loose you will notice
that the blade will have a tendency to drift or slip off-line when cutting and you will have more difficulty controlling
y
our cuts. A blade that is tensioned too tightly will break prematurely and will be difficult to work with when making
tighter radius cuts.
The following information can be used as a guideline or starting point to assist you in determining ideal blade ten-
sion for your needs:
•
When working with wider blades, re-sawing taller stock, making straight cuts or wide sweeping curves tight-
er blade tensions will provide better results.
•
When working with narrower blades, sawing shorter stock and making tighter curved cuts are best per
formed using less tension.
To adjust blade tension proceed as follows:
ADJUSTING BLADE TENSION
DECREASE
INCREASE
Note: the blade tension indicator scale can be used
as a reference – the higher the number on the scale
(shown in millimetres of spring tension) the tighter the
tension on the blade. Take note of ideal setting with var-
ious blade widths for reference the next time that blade
is used or when a similar type of cut is to be performed.
2. With the saw turned off and the blade tensioned to
where you feel it should be, press against the side
of the blade to test the tautness of the blade .
For ideal results with most blade widths and cutting
applications the blade should flex in no more than
1/4" to 3/8". (Fig. 5)
3. Make a test cut on a sample piece of wood and if
needed re-adjust the blade tension.
Fig.5
15
To prolong the life of the blade whenever the band saw is not in use for prolonged periods (more than 24 hours),
release the blade tension lever to remove tension from the blade, Over time, maintaining tension on a blade that
is not in use will cause the blade to deform, by taking the shape of the wheels at both extremities. This can weaken
the blade and cause premature breakage.
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