DeWalt DCS781 Original Instructions Manual page 44

EnGLIsH
Lubrication
Your power tool requires no additional lubrication.
Cleaning
Before use, carefully check the upper blade guard, movable lower blade guard as well as
the dust extraction tube to determine that it will operate properly. Ensure that chips, dust or
workpiece particle cannot lead to blockage of one of the functions.
In case of workpiece fragments jammed between saw blade and guards disconnect the
machine from the power supply and follow the instructions given in section Changing or
Installing a New Saw Blade. Remove the jammed parts and reassembling the saw blade.

WARNING: Blow dirt and dust out of the main housing with dry air as often as dirt is seen
collecting in and around the air vents. Wear approved eye protection and approved dust
mask when performing this procedure.

WARNING: Never use solvents or other harsh chemicals for cleaning the non-metallic
parts of the tool. These chemicals may weaken the materials used in these parts. Use a
cloth dampened only with water and mild soap. Never let any liquid get inside the tool;
never immerse any part of the tool into a liquid.

WARNING: To reduce the risk of injury, regularly clean the table top.

WARNING: To reduce the risk of injury, regularly clean the dust collection system.
Worklight Cleaning
For the best worklight performance, perform the following maintenance regularly.
1. Carefully clean sawdust and debris from worklight lens with a cotton swab.
2. DO NOT use solvents of any kind, they may damage the lens.
3. Dust build‑up can block the worklight and prevent it from accurately indicating the line
of cut.
4. Follow mitre saw's instruction manual to remove and install blade.
5. With blade removed from saw, clean pitch and build‑up from blade. Pitch and debris can
interfere with the worklight and prevent it from accurately indicating the line of cut.
TROUBLE!
saw will not start
saw makes unsatisfactory cuts
CUTLInE worklight is flashing
Machine vibrates excessively
Does not make accurate mitre cuts
Material pinches blade
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Troubleshooting Guide
BE SURE TO FOLLOW SAFETY RULES AND INSTRUCTIONS
WHAT's WROnG?
Battery not installed
Battery not charged
Saw overheated
Batteries overheated
Dull blade
Blade mounted backwards
Gum or pitch on blade
Incorrect blade for work being done
Battery not charged
Saw not mounted securely to stand or
work bench
Stand or bench on uneven floor
Damaged saw blade
Mitre scale not adjusted correctly
Blade is not square to fence
Blade is not perpendicular to table
Workpiece moving
Kerf plate worn or damaged
Mitre pointer not adjusted correctly
Cutting bowed material
Optional Accessories

WARNING: Since accessories, other than those offered by D
with this product, use of such accessories with this tool could be hazardous. To reduce the
risk of injury, only D WALT, recommended accessories should be used with this product.
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sAW BLADEs: ALWAYS USE 305 mm SAW BLADES WITH 25.4 mm ARBOUR HOLES. SPEED
RATING MUST BE AT LEAST 4800 RPM. Never use a smaller diameter blade. It will not
be guarded properly. Use crosscut blades only! Do not use blades designed for ripping,
combination blades or blades with hook angles in excess of 7 °.
BLADE DEsCRIPTIOns
APPLICATION
Construction Saw Blades (thin kerf with anti‑stick rim)
General Purpose
Fine Crosscuts
Woodworking Saw Blades (provide smooth, clean cuts)
Fine crosscuts
Non‑ferrous metals
Consult your dealer for further information on the appropriate accessories.
Protecting the Environment
Separate collection. Products and batteries marked with this symbol must not be
disposed of with normal household waste.
Products and batteries contain materials that can be recovered or recycled reducing
the demand for raw materials. Please recycle electrical products and batteries
according to local provisions. Further information is available at www.2helpU.com.
Rechargeable Battery Pack
This long life battery pack must be recharged when it fails to produce sufficient power on jobs
which were easily done before. At the end of its technical life, discard it with due care for our
environment:
• Run the battery pack down completely, then remove it from the tool.
• Li‑Ion cells are recyclable. Take them to your dealer or a local recycling station. The
collected battery packs will be recycled or disposed of properly.
WHAT TO DO
Install battery. Refer to Installing and Removing Battery Pack.
Charge battery. Refer to Charging Procedure.
Wait several minutes for saw to cool.
Wait several minutes for batteries to cool.
Replace blade. Refer to Changing or Installing a New Saw Blade.
Turn blade around. Refer to Changing or Installing a New Saw Blade.
Remove blade and clean with coarse steel wool and turpentine or household
oven cleaner.
Change the blade type. Refer to saw Blades under Optional Accessories.
Charge battery. Refer to Charging Procedure.
Tighten all mounting hardware. Refer to Bench Mounting.
Reposition on flat level surface. Refer to Familiarization.
Replace blade. Refer to Changing or Installing a New Saw Blade.
Check and adjust. Refer to Mitre scale Adjustment under Assembly and
Adjustments.
Check and adjust. Refer to Mitre scale Adjustment under Assembly and
Adjustments.
Check and adjust fence. Refer to Bevel square to Table Adjustment under
Assembly and Adjustments.
Clamp workpiece securely to fence or glue 120 grit sandpaper to fence with
rubber cement.
Take to authorized service center.
Check and adjust. Refer to Mitre Pointer Adjustment under Assembly
and Adjustments.
Refer to Bowed Material under Special Cuts.
WALT, have not been tested
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DIAMETER TEETH
305 mm 40
305 mm 60
305 mm 80
305 mm 96