DeWalt DCS312 Original Instructions Manual page 12

English
To Install the Battery Pack into the Tool Handle
1. Align the battery pack 6 with the rails inside the tool's
handle (Fig. B).
2. Slide it into the handle until the battery pack is firmly seated
in the tool and ensure that you hear the lock snap into place.
To Remove the Battery Pack from the Tool
1. Press the release button 7
out of the tool handle.
2. Insert battery pack into the charger as described in the
charger section of this manual.
Fuel Gauge Battery Packs (Fig. B)
Some D WALT battery packs include a fuel gauge which
e
consists of three green LED lights that indicate the level of
charge remaining in the battery pack.
To actuate the fuel gauge, press and hold the fuel gauge
button . A combination of the three green LED lights will
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illuminate designating the level of charge left. When the level
of charge in the battery is below the usable limit, the fuel gauge
will not illuminate and the battery will need to be recharged.
nOTE: The fuel gauge is only an indication of the charge left on
the battery pack. It does not indicate tool functionality and is
subject to variation based on product components, temperature
and end-user application.
Variable Speed Trigger Switch (Fig. E)
Lock-off Button and Trigger switch
Your saw is equipped with a lock-off button
To lock the trigger switch, press the lock-off button on the
left. Always lock the trigger switch
the tool to eliminate unintentional starting.
To unlock the trigger switch, press the lock-off button on the
right. Pull the trigger switch to turn the motor ON. Releasing the
trigger switch turns the motor OFF.

WARNING: This tool has no provision to lock the switch
in the ON position, and should never be locked ON by any
other means.
The variable speed trigger switch will give you added versatility.
The further the trigger is depressed the higher the speed of
the saw.

CAUTION: Use of very slow speed is recommended only
for beginning a cut. Prolonged use at very slow speed may
damage your saw.
Worklight (Fig. A)
There is a worklight 9 located on the end of the tool near the
shoe. The worklight is activated when the trigger switch is
depressed. When the trigger is released, the worklight will stay
illuminated for up to 20 seconds.
nOTE: The worklight is for lighting the immediate work surface
and is not intended to be used as a flashlight.
Blade Installation and Removal (Fig. C, F)

WARNING: Remove battery beforeInstalling / Removing
a blade.
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and firmly pull the battery pack
.
2
1 when carrying or storing
Different blade lengths are available. Use the appropriate blade
for the application. The blade should be longer than 90 mm and
should extend past the shoe and the thickness of the workpiece
during the cut. Do not use jigsaw blades with this tool.

WARNING: Cut hazard. Blade breakage may occur if the
blade does not extend past the shoe and the workpiece
during the cut. Increased risk of personal injury, as well as
damage to the shoe and workpiece may result.
To Install Blade into Saw
1. Twist open the blade clamp
2. Insert blade 11 fully into blade clamp.
3. Release blade clamp. Gently tug on the blade to ensure blade
is clamped securely.
nOTE: The blade can be installed upside-down for flush cutting.
Refer to Figure F.
To Remove Blade from Saw

CAUTION: Burn hazard. Do not touch the blade
immediately after use. Contact with the blade may result
in personal injury.
1. Twist open blade clamp 3
2. Remove blade 11 .
OPERATION
Instructions for Use

WARNING: Always observe the safety instructions and
applicable regulations.

WARNING: To reduce the risk of serious personal
injury, turn tool off and disconnect battery pack
before making any adjustments or removing/
installing attachments or accessories. An accidental
start-up can cause injury.
Proper Hand Position (Fig. D)

WARNING: To reduce the risk of serious personal injury,
ALWAYS use proper hand position as shown.

WARNING: To reduce the risk of serious personal
injury, ALWAYS hold securely in anticipation of a
sudden reaction.
Proper hand position requires one hand on the main handle
or one hand on the main handle and one hand on the hand
grip 5 .
Cutting (Fig. D, F–H)

WARNING: Always use eye protection. All users and
bystanders must wear approved eye protection.

WARNING: Exercise extra caution when cutting towards
operator. Always hold saw firmly with both hands
while cutting.
Before cutting any type of material, be sure it is firmly anchored
or clamped to prevent slipping. Place blade lightly against work
to be cut, switch on saw motor and allow it to obtain maximum
speed before applying pressure. Whenever possible, the saw
shoe must be held firmly against the material being cut. This
will prevent the saw from jumping or vibrating and minimise
to its full open position.
3
to its full open position.
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