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Stanley SCH121 Mode D'emploi page 9

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Selecting the direction of rotation (Fig D)
For tightening, use forward (clockwise) rotation. For loosening, use
reverse (counterclockwise) rotation.
To select forward rotation, push the forward/reverse slider (2) to
the left.
To select reverse rotation, push the forward/reverse slider to the
right.
To lock the tool, set the forward/reverse slider into the centre
position.
When changing the position of the control button, be sure the
trigger is released.
Trigger switch (Fig A)
To turn the tool on, squeeze the trigger switch (1). To turn the tool off,
release the trigger switch. Your tool is equipped with a brake. The
chuck will stop when the trigger switch is fully released.
The variable speed switch enables you to select the best speed for a
particular application. The further you squeeze the trigger, the faster
the tool will operate. For maximum tool life, use variable speed only
for starting holes or fasteners
NOTE: Continuous use in variable speed range is not recommended.
It may damage the switch and should be avoided.
Torque adjustment collar (Fig. A,D)
The torque adjustment collar (3) is clearly marked with numbers and
a drill bit symbol.The collar should be rotated until the desired setting
is located at the top of the tool. Locators are provided in the collar to
eliminate the guess work when selecting fastening torque.
The higher the number on the collar, the higher the torque and the
larger the fastener which can be driven. To lock the clutch for drilling
operations, move to the drill bit position.
NOTE: When using the drill/driver for drilling holes, be sure that the
torque adjusting collar is set so the figure of the drill is aligned with
the center line on the top ofthe tool. Failure to do this will allow the
clutch to slip while attempting to drill.
Gear shifter (Fig A, D)
The dual range feature of your driver/drill allows you to shift gears for
greater versatility.
To select the low speed, high torque setting, turn the tool off and
permit to stop. Slide the gear shifter (4) forward (towards the chuck).
To select the high speed, low torque setting, turn the tool off and
permit to stop. Slide the gear shifter back (away from chuck).
NOTE: Do not change gears when the tool is running. If you are
having trouble changing gears, make sure that the dual range gear
shifter is either completely pushed forward or completely pushed
back.
LED work light
The LED work light (8) is located under the the torque adjustment
collar (3) and is activated automatically when the trigger is
depressed. The LED work light will illuminate when the trigger is
partially depressed, before the unit begins running.
NOTE: The LED worklight is for lighting the immediate work surface
and is not intended to be used as a flashlight.
(Original instructions)
Keyless chuck (Fig E)
Your tool features a keyless chuck with one rotating sleeve for
one-handed operation of the chuck. To insert a drill bit or other
accessory, follow these steps.
1. Lock the trigger in the OFF position as previously described.
2. Grasp the black sleeve of the chuck with one hand and use the
other hand to secure the tool. Rotate the sleeve
counterclockwise far enough to accept the desired accessory.
3. Insert the accessory about 19 mm (3/4") into the chuck and
tighten securely by rotating the chuck sleeve clockwise with one
hand while holding the tool with the other. Your tool is equipped
with an automatic spindle lock
mechanism. This allows you to open and close the chuck with
one hand. To release the accessory, repeat step 2 above.
WARNING: Do not attempt to tighten drill bits (or any
other accessory) by gripping the front part of the chuck
and turning the tool on. Damage to the chuck and
personal injury may result. Always lock off trigger switch
when changing acces sories.
Be sure to tighten chuck with one hand on the chuck sleeve and one
hand holding the tool for maximum tightness.
Chuck removal (Fig F)
Turn the adjustment collar to the "drill" position and gear shifter to
position 1 (low speed). Tighten the chuck around the shorter end of a
hex key (not supplied) of 6.35 mm (1/4") or greater size. Using a
wooden mallet or similar object, strike the longer end in the clockwise
direction, as shown. This will loosen the screw inside the chuck.
Open chuck jaws fully, insert screwdriver (or Torx tool if required) into
front of chuck between jaws to engage screw head. Remove screw
by turning clockwise (left-hand-thread). Place hex key in chuck and
tighten, as shown in Figure F. Using a wooden mallet or similar
object, strike key sharply in the counterclockwise direction. This will
loosen the chuck so that it can be unscrewed by hand.
Chuck installation
(Fig G)
Screw the chuck on by hand as far as it will go and insert screw
(left-hand thread). Tighten screw securely. Tighten the chuck around
the shorter end of a 6.35 mm (1/4") or larger hex key (not supplied)
strike the longer end in the clockwise direction with a wooden mallet,
as shown. Tighten the screw once again by turning in a
counterclockwise direction.
DRILL OPERATION
WARNING: To reduce the risk of serious personal injury,
turn tool off and disconnect tool from power source before
making any adjustments or removing/installing
attachments or accessories.
WARNING: To reduce the risk of personal injury, ALWAYS
ensure workpiece is anchored or clamped firmly. If drilling
thin material, use a wood "back-up" block to prevent
damage to the material.
Turn the collar to the drill bit symbol for drilling. Select the desired
speed/torque range using the gear shifter to match the speed and
torque to the planned operation.
ENGLISH
9

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