Clark 6462312 Manual de Instruções de Operação e Manutenção - Página 9
Procurar online ou descarregar pdf Manual de Instruções de Operação e Manutenção para Serra Clark 6462312. Clark 6462312 17 páginas. 185mm, 1200w circular saw
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PREVENTION OF KICKBACK
Kickback is a sudden reaction to a pinched, bound or misaligned saw blade,
causing an uncontrolled saw to lift up and out of the workpiece toward the
operator.
When the blade is pinched or bound tightly by the kerf closing down, the
blade stalls and the motor reaction drives the unit rapidly back toward the
operator.
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.
1. 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.
2. When the 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 complete 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.
3. When restarting a saw in the workpiece, centre the saw blade in the kerf
and check that saw teeth are not engaged with the material. If the blade
is binding, it may walk up or kickback from the workpiece as the saw is
restarted.
4. Support large panels to minimise 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.
5. Blade depth and bevel adjusting locking screws must be tight and secure
before making a cut. If blade adjustment shifts while cutting, it may cause
binding and kickback.
6. Use extra caution when making a "plunge cut" into existing walls or other
blind areas. The protruding blade may cut objects that can cause
kickback.
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