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15
PLUNGE CUTTING
See Figure 15.
WARNING:
To avoid loss of control, broken blades, or dam-
age to the material being cut, always use extreme
caution when making plunge cuts. It is not rec-
ommended to plunge cut materials other than
wood.
Mark the line of cut clearly on the workpiece.
Set the orbital adjustment knob to “0”.
Tilt the saw forward so that it rests on the front edge
of the base and blade will not come in contact with the
workpiece when the saw is turned on.
Make sure the blade is inside the area to be cut.
Using high speed, start the saw and slowly lower the
blade into the workpiece until the blade cuts through the
wood.
Continue lowering the blade into the workpiece until the
base rests flat on the work surface, then move the saw
forward to complete the opening.
Use only the 7 teeth per inch blade for this type of cut.
METAL CUTTING
See Figure 16.
Many kinds of metals can be cut with the saw. Be careful
not to twist or bend the blades. Do not force. If the blade
chatters or vibrates excessively, use a finer-tooth metal-cut
-
ting blade. If blade heats excessively, use lower speed. If
blade teeth become filled or clogged when cutting soft met-
als, such as aluminum, use a coarser-tooth blade or lower
speed. We recommend use of oil when cutting metals to keep
blades cool, increase cutting action, and prolong blade life.
Clamp the work firmly and saw close to the clamping point
to eliminate any vibration of the work being cut.
When cutting conduit, pipe, or angle iron, clamp work in a
vise if possible and saw close to the vise. To cut thin sheet
materials, “sandwich” the material between hardboard or ply-
wood and clamp the layers to eliminate vibration and material
tearing. By doing this, the material will be cut smoothly. Lay
out your pattern or line of cut on top of the “sandwich.”
NOTE: When cutting metal, keep exposed portion of saw
blade clean and free of metal chips by wiping frequently with
an oily cloth. Use extreme caution in disposing of oily cloth
after completion of job to prevent potential fire hazard.
OPERATION
Fig. 15
Fig. 16