Dexter 20VMPS2-85.1 Manual Del Usuario página 118

1. INTENDED USE
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This machine is designed for ripping and cross-cutting wood and other materials in straight cutting lines, while resting firmly on the work piece
ES (Wood, Metal, Aluminium and PVC)
If matched diamond saw blade, these machines are intended to cut materials such as tile & red brick.
Do not use machines, tools and accessories for additional applications (see manufacturer's instructions) or for works other than those for which they
are designed for. The blade recommendations are to be observed.
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2. SPECIFIC SAFETY WARNINGS
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CUTTING PROCEDURES
A. DANGER: Keep hands away from cutting area and the blade. Keep your second hand on auxiliary handle, or motor housing. If both
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hands are holding the saw, they cannot be cut by the blade.
B. Do not reach underneath the workpiece. The guard cannot protect you from the blade below the workpiece.
C. Adjust the cutting depth to the thickness of the workpiece. Less than a full tooth of the blade teeth should be visible below the workpiece.
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D. Clamp workpiece with a clamping device. Never hold the workpiece in your hands or across your leg while cutting. Secure the
workpiece to a stable platform. It is important to support the work properly to minimize body exposure, blade binding, or loss of control.
E. Hold the power tool by insulated gripping surfaces, when performing an operation where the cutting tool may contact hidden
wiring. Contact with a «live» wire will also make exposed metal parts of the power tool «live» and could give the operator an electric shock.
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F. When ripping always use a rip fence or straight edge guide. This improves the accuracy of cut and reduces the chance of blade binding.
G. Always use blades with correct size and shape (diamond versus round) of arbour holes. Blades that do not match the mounting hardware of the
saw will run o centre, causing loss of control.
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H. Never use damaged or incorrect blade washers or bolt. The blade washers and bolt were specially designed for your saw, for optimum performance
and safety of operation.
KICKBACK CAUSES AND RELATED WARNINGS FOR ALL SAWS
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kickback is a sudden reaction to a pinched, jammed or misaligned saw blade, causing an uncontrolled saw to lift up and out of the workpiece
toward the operator;
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when the blade is pinched or jammed tightly by the kerf closing down, the blade stalls and the motor reaction drives the unit rapidly back
toward the operator;
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if the blade becomes twisted or misaligned in the cut, the teeth at the back edge of the blade can dig into the top surface of the wood causing
the blade to climb out of the kerf and jump back toward the operator.
Kickback is the result of saw misuse and/or incorrect operating procedures or conditions and can be avoided by taking proper precautions as given
below.
A. Maintain a firm grip with both hands on the saw and position your arms to resist kickback forces. Position your body to either
side of the blade, but not in line with the blade. Kickback could cause the saw to jump backwards, but kickback forces can be controlled by the
operator, if proper precautions are taken.
B. When blade is binding, or when interrupting a cut for any reason, release the trigger and hold the saw motionless in the material
until the blade comes to a com- plete stop. Never attempt to remove the saw from the work or pull the saw backward while the
blade is in motion or kickback may occur. Investigate and take corrective actions to eliminate the cause of blade binding.
C. When restarting a saw in the workpiece, centre the saw blade in the kerf so that the saw teeth are not engaged into the material.
If a saw blade binds, it may walk up or kickback from the workpiece as the saw is restarted.
D. Support large panels to minimize the risk of blade pinching and kickback. Large panels tend to sag under their own weight. Supports
must be placed under the panel on both sides, near the line of cut and near the edge of the panel.
E. Do not use dull or damaged blades. Unsharpened or improperly set blades produce narrow kerf causing excessive friction, blade binding and
kickback.
F. Blade depth and bevel adjusting locking levers must be tight and secure before making the cut. If blade adjustment shifts while
cutting, it may cause binding and kickback.
G. Use extra caution when sawing into existing walls or other blind areas. The protruding blade may cut objects that can cause kickback.
H. Always observe that the lower guard is covering the blade before placing the saw down on bench or floor. An unprotected, coasting
blade will cause the saw to walk backwards, cutting whatever is in its path. Be aware of the time it takes for the blade to stop after switch is released
I. Guard function
a) Check the guard for proper dosing before each use. Do not operate the saw if the guard does not move freely and enclose the
blade instantly. Never damp or tie the guard so that the blade is exposed. If the saw is accidentally dropped, the guard may be bent.
Check to make sure that the guard moves freely and does not touch the blade or any other part, in all angles and depths of cut.
b) Check the operation and condition of the guard return spring. If the guard and the spring are not operating properly, they
must be serviced before use. The guard may operate sluggishly due to damaged parts, gummy deposits, or a build-up of debris.
c) Assure that the base plate of the saw will not shift while performing a "plunge cut . Blade shifting sideways will cause binding
and likely kick back.
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