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DeWalt DHS790 Instruction Manual page 13

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Fig. T
60
Trigger Switch (Fig. V)
To turn the saw on, push the lock-off button 
The saw will run while the switch is depressed. Allow the blade to spin up to full operating speed
before making the cut. To turn the saw off, release the switch. Allow the blade to stop before
raising the saw head. There is no provision for locking the switch on. A hole 
trigger for insertion of a padlock to lock the switch off.
Always be sure the blade has stopped before removing it from the kerf.
Fig. V
2
Fig. W
Fig. X
iMPROPER CUT
Fig. U
 3 
to the left, then depress the trigger switch 
 45 
is provided in the
45
3
PROPER CUT
Body and Hand Position (Fig. W, X)
Proper positioning of your body and hands is crucial when operating the miter saw. Never place
hands inside the cutting area between the two red lines on the base while the blade is turning.
Clamp or hold the workpiece tightly to the table and the fence when cutting. Keep both hands
in position until the trigger has been released and the blade has completely stopped. ALWAYS
56
MAKE DRY RUNS (UNPOWERED) BEFORE FINISH CUTS SO THAT YOU CAN CHECK THE PATH OF
THE BLADE. DO NOT CROSS HANDS, AS SHOWN IN FIGURE X.
55
Keep both feet firmly on the floor and maintain proper balance. As you move the miter arm
left and right, follow it and stand slightly to the side of the saw blade. Sight through the guard
louvers when following a pencil line.
Through-Cutting Operations

WARNING: To reduce the risk of serious personal injury, turn tool off and remove
the battery packs or power supply before transporting, making any adjustments,
 2 
.
cleaning, repairing, or removing/installing attachments or accessories. An accidental
start-up can cause injury.
If the slide feature is not used, ensure the saw head is pushed back as far as possible and the rail
lock knob (
, Fig. A) is tightened. This will prevent the saw from sliding along its rails as the
 22 
workpiece is engaged.
nOTE: Although this saw will cut wood and many non-ferrous materials, we will limit our
detailed discussion to the cutting of wood only. The same guidelines apply to the other materials.
DO nOT CUT FERROUs (iROn AnD sTEEl) MAT ERiAls, MAsOnRY OR FiBER CEMEnT WiTh
This sAW. Do not use any abrasive blades.
nOTE: Refer to guard Actuation and Visibility in the Features and Controls section for
important information about the lower guard before cutting.
Crosscuts (Fig. A, Y)
A crosscut is made by cutting wood across the grain at any angle. A straight crosscut is made
with the miter arm at the zero degree position. Set and lock the miter arm at zero, hold the wood
firmly on the table and against the fence. With the rail lock knob 
by squeezing the trigger switch shown in Figure A.
When the saw comes up to speed (about 1 second) lower the arm smoothly and slowly to cut
through the wood. Let the blade come to a full stop before raising arm.
PROPER CUT
iMPROPER CUT
English
 22 
tightened, turn on the saw
iMPROPER CUT
11

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