DEWALT Industrial Tool Company, 626 Hanover Pike, P.O. Box 158, Hampstead, MD 21074 Printed in U.S.A. (JUN95-CD-3) Form No. 158629-03
For information call toll free between 8:00 a.m. and 8:00 p.m. ET, seven days a week. 1-800-4-DEWALT (1-800-433-9258).
DW377 Copyright © 1994, 1995
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INSTRUCTION MANUAL
DW377 7-1/4" Worm-Drive Saw
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DEWALT…BUILT JOBSITE TOUGH
DEWALT high performance industrial tools are made for America‘s
toughest industrial and construction applications. The design of
every tool in the line – from drills to sanders to grinders – is the
result of rigorous use on jobsites and throughout industry. Each
tool is produced with painstaking precision using advanced manufacturing systems and intense quality control. Every tool is
checked before it leaves the factory to make sure that it meets
your standards for durability, reliability and power.
D
EWALT Built Jobsite Tough…WE GUARANTEE IT.
IF YOU HAVE ANY QUESTIONS OR COMMENTS ABOUT THIS
OR ANY D
EWALT TOOL, CALL US TOLL FREE AT 1-800-732-
4441.
ANGLE
QUADRANT
BEVEL ADJUSTMENT LEVER
SWITCH
HANDLE
TOP HANDLE
DEPTH
ADJUSTMENT
LEVER
BLADE
GUARD
RETRACTING
LEVER
LOWER
GUARD
SHOE
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1
Important Safety Instructions
WARNING: When using electric tools, basic safety precautions should always be followed to reduce risk of fire, electric
shock, and personal injury, including the following:
READ ALL INSTRUCTIONS
Grounding Instructions
This tool should be grounded while in use to protect the operator from electric shock. The tool is equipped with a 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 out-
let box. No adapter is available for a plug as shown in sketch
D. ADAPTER SHOWN IN FIGURES B and C IS NOT FOR
USE IN CANADA.
Safety Instructions For All Tools
• KEEP WORK AREA CLEAN. Cluttered areas and bench-
es invite injuries.
• CONSIDER WORK AREA ENVIRONMENT. Don’t expose
power tools to rain. Don’t use power tools in damp or wet
locations. Keep work area well lit. Do not use tool in presence of flammable liquids or gases.
• GUARD AGAINST ELECTRIC SHOCK. Prevent body
contact with grounded surfaces. For example; pipes, radiators, ranges, and refrigerator enclosures.
• KEEP CHILDREN AWAY. Do not let visitors contact tool
or extension cord. All visitors should be kept away from
work area.
• STORE IDLE TOOLS. When not in use, tools should be
stored in dry, and high or locked-up place — out of reach
of children.
• DON’T FORCE TOOL. It will do the job better and safer at
the rate for which it was intended.
• USE RIGHT TOOL. Don’t force small tool or attachment to
do the job of a heavy-duty tool. Don’t use tool for purpose
not intended- for example- don’t use circular saw for cutting
tree limbs or logs.
• DRESS PROPERLY. Do not wear loose clothing or jewel-
ry. They can be caught in moving parts. Rubber gloves and
AB CD
GROUNDING PIN
GROUNDED
OUTLET
BOX
GROUNDING
MEANS
GROUNDING PIN
ADAPTER
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non-skid footwear are recommended when working outdoors. Wear protective hair covering to contain long hair.
• USE SAFETY GLASSES. Also use face or dust mask if
cutting operation is dusty.
• DON’T ABUSE CORD. Never carry tool by cord or yank it
to disconnect from receptacle. Keep cord from heat, oil,
and sharp edges.
• SECURE WORK. Use clamps or a vise to hold work. It’s
safer than using your hand and it frees both hands to operate tool.
• DON’T OVERREACH. Keep proper footing and balance at
all times.
• MAINTAIN TOOLS WITH CARE. Keep tools sharp and
clean for better and safer performance. Follow instructions
for lubricating and changing accessories. Inspect tool cords
periodically and if damaged, have repaired by authorized
service facility. Inspect extension cords periodically and
replace if damaged. Keep handles dry, clean, and free from
oil and grease.
• DISCONNECT OR LOCK OFF TOOLS when not in use,
before servicing, and when changing accessories, such as
blades, bits, cutters.
• REMOVE ADJUSTING KEYS AND WRENCHES. Form
habit of checking to see that keys and adjusting wrenches
are removed from tool before turning it on.
• AVOID UNINTENTIONAL STARTING. Don’t carry tool
with finger on switch. Be sure switch is off when plugging
in.
• EXTENSION CORDS. 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 dam-
2
aged cords. Make sure your extension cord is in good condition. When using an extension cord, be sure to use one
heavy enough to carry the current your product will draw.
An undersized cord will cause a drop in line voltage resulting in loss of power and overheating. The following table
shows the correct size to use depending on cord length and
nameplate ampere rating. If in doubt, use the next heavier
gage. The smaller the gage number, the heavier the cord.
Minimum Gage for Cord Sets
Volts Total Length of Cord in Feet
120V 0-25 26-50 51-100 101-150
240V 0-50 51-100 101-200 201-300
Ampere Rating
More Not more AWG
Than Than
0 -618161614
6 - 10 18 16 14 12
10-1216161412
12 - 16 14 12 Not Recommended
• OUTDOOR USE EXTENSION CORDS. When tool is used
outdoors, use only extension cords intended for use outdoors and so marked.
• STAY ALERT. Watch what you are doing. Use common
sense. Do not operate tool when you are tired.
• 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 by an authorized service center unless
otherwise indicated elsewhere in this instruction manual.
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