DeWalt DW893 Manual De Instrucciones página 6

Paddle Switch
To start the tool, depress the paddle switch. To turn the tool off,
release the paddle. The switch can be locked on be engaging the
lock button located near the rear of the tool while holding the paddle
depressed. Always be sure that the tool is not locked on before plug-
ging it in. To turn the tool off when it is locked on, squeeze and
release the paddle once.
Operation
TURN OFF TOOL AND DISCONNECT FROM POWER SUPPLY
BEFORE MAKING ANY ADJUSTMENTS. Always wear safety glass-
es and protective gloves. Never use shear without the curl deflector.
Most blade wear (dulling of edges) is on the back edge. Symptoms of
blade wear include: difficulty in cutting material, ragged cut edge,
heavier burr, and increased vibration while cutting.
Your shear is equipped with two identical blades with four cutting
edges on each blade. The moving blade wears faster than the sta-
tionary blade. However, it is advisable to rotate both blades to fresh
edges at the same time.
TO ROTATE THE BLADES
Remove the two blade clamp screws. Rotate each blade to a fresh
edge. Replace screws exactly as they were removed. Note that the
stationary blade clamp screw is longer and will cause damage to the
tool if it is used to secure the moving blade. (See Figure 2)
Stationary blade must be snug against the gap adjusting screw.
Check and adjust blade gap if necessary. (See following section on
adjusting the blade gap.) Tighten all screws.
Cutting Tips
• Proper blade gap is important.
• Dull blades increase user pressure on tool to cut and could result
in damage to tool.
• Always start tool before engaging material.
• Keep metal surface dry. Otherwise, shear will tend to rebound
(slide back) at each cutting stroke.
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FIGURE 2
CAM SHAFT
HEAD
MOVING
BLADE
STATIONARY
BLADE
BLADE
CLAMP
SCREW
GAP
ADJUSTING
SCREW
BLADE
STATIONARY
GAP
BLADE CLAMP
SCREW
• Cut material so that scrap is to the right. This cutting direction will
move curl down and out of the way.
• When cutting a radius, turn the shear counterclockwise for easier
maneuvering.
• Best cutting (least effort) can be achieved when back of tool is
lowered 5˚ - 10˚.
Lubrication
D WALT tools are properly lubricated at the factory and are ready for
E
use. Tools should be relubricated regularly every sixty days to six
months, depending on usage. (Tools used constantly on production
or heavy-duty jobs and tools exposed to heat may require more fre-
quent lubrication.) This lubrication should only be attempted by
trained power tool repair persons such as those at D
rized service centers or in other qualified service organizations.
MOVING
BLADE
STATIONARY
BLADE
BLADE
GAP
CLAMP
ADJUSTING
SCREW
SCREW
BLADE
STATIONARY
GAP
BLADE CLAMP
SCREW
WALT autho-
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