DeWalt DW870 Instruction Manual page 5

DW870,220/383823 5/3/02 1:29 PM
• REDUCE THE RISK OF UNINTENTIONAL STARTING. Make
sure switch is in off position before plugging in.
• USE RECOMMENDED ACCESSORIES. Consult the instruction
manual for recommended accessories. The use of improper
accessories may cause risk of injury to persons.
• NEVER STAND ON TOOL. Serious injury could occur if the tool
is tipped or if the cutting tool is unintentionally contacted.
• CHECK DAMAGED PARTS. Before further use of the tool, a
guard or other part that is damaged should be carefully checked
to determine that it will operate properly and perform its intended
function–check for alignment of moving parts, binding of moving
parts, breakage of parts, mounting, and any other conditions that
may affect its operation. A guard or other part that is damaged
should be properly repaired or replaced.
• NEVER LEAVE TOOL RUNNING UNATTENDED. TURN
POWER OFF. Don't leave tool until it comes to a complete stop.
• REPLACEMENT PARTS. When servicing, use only identical
replacement parts.
Grounding Instructions (DW870-220)
This tool should be grounded while in use to protect the operator
from electric shock. The
3-conductor cord and 3-prong grounding type plug to fit the proper
grounding type receptacle. The green (or green and yellow)
conductor in the cord is the grounding wire. Never connect the
green (or green and yellow) wire to a live terminal. If your unit is
intended for use on less than 150 V, it has a plug that looks like
that shown in sketch A. If it is for use on 150 to 250 V, it has a plug
that looks like that shown in sketch D. An adapter, sketches B and
C, is available for connecting sketch A type plugs
to 2-prong receptacles. The green-colored rigid
ear, lug, or the like, extending from the adapter
must be connected to a permanent ground, such
as a properly grounded outlet box. No adapter is
Page 1
tool is equipped with a
220 VOLT PLUG
1
available for a plug as shown in sketch D. ADAPTER SHOWN IN
FIGURES B and C IS NOT FOR USE IN CANADA. Use only 3-
wire extension cords that have 3-prong grounding-type plugs and 3-
pole receptacles that accept the tool's plug. Replace or repair
damaged cords.
A GROUNDED B
OUTLET
BOX
GROUNDING PIN
Additional Safety Rules for Chop Saws
• Always wear safety goggles or other eye protection when using this
tool.
• Before using, inspect each cutting wheel for cracks or flaws. If a
crack or flaw is evident—discard the wheel! The wheel should also
be inspected whenever you think the tool may have been dropped.
• When starting the tool (with a new or replacement wheel installed)
place the tool in a well protected area. If the wheel has an
undetected crack or flaw, it should burst in less than one minute.
Never start the tool with a person in line with the wheel. This
includes the operator.
• In operation, avoid bouncing the wheel or giving it rough treatment.
If this occurs, stop the tool and inspect the wheel.
• Clean your chop saw periodically following the procedure in this
manual.
• Do not remove wheel guard.
• Always use the vise or special fixturing to clamp work.
• Use only wheels rated at 4100 rpm or higher.
• Allow cut off parts to cool before handling.
• Do not attempt to cut wood or plastic with this tool.
C D
GROUNDING
MEANS
ADAPTER
GROUNDING PIN