Overload Clutch - Craftsman CMCH234 Instruction Manual

English
To remove the battery pack from the tool, press the release
button 2 and firmly pull the battery pack out of the tool
handle. Insert it into the charger as described in the charger
section of this manual.
Proper Hand Position (Fig. H)

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 10 , with the other hand on the side handle
control the twisting action of the drill.
Trigger Switch (Fig. A)
To turn the tool on, squeeze the trigger switch
the tool off, release the trigger switch. Your tool is equipped
with a brake. The chuck will stop as soon as the trigger
switch is fully released.
Variable speed Trigger switch
The variable speed trigger switch enables you to select
the best speed for a particular application. The farther you
squeeze the trigger switch, 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 trigger switch and
should be avoided.
Forward/Reverse Control Button (Fig. A)
A forward/reverse control button
direction of bit rotation and also serves as a lock-off button.
To select forward rotation, release the trigger switch
and depress the forward/reverse control button on the right
side of the tool.
To select reverse, depress the forward/reverse control
button on the left side of the tool.
The center position of the control button locks the tool
in the off position. When changing the position of the
control button, be sure the trigger is released.
nOTE: The first time the tool is run after changing the
direction of rotation, you may hear a click on start up. This is
normal and does not indicate a problem.

Overload Clutch

In case of jamming of a drill bit, the drive to the drill spindle
is interrupted by the overload clutch. Due to the resulting
forces, always hold the tool with both hands and take a
firm stance. After the overload, release and depress the
trigger to re-engage drive.

WARNING: Drill may stall if overloaded causing a
sudden twist. Always expect the stall. Grip the drill
firmly to control the twisting action and avoid injury.
Operation Modes (Fig. J)

WARNING: Do not select the operating mode when
the tool is running.
10
3 to
5 . To turn
4 determines the
5

CAUTION: Never use in Rotary Drilling or Rotary
Hammering mode with a chisel bit in the bit holder.
Personal injury and damage to the the tool may result.
Your tool is equipped with a mode selector dial
select the mode appropriate to desired operation.
symbol Mode
Rotary Drilling
Rotary
hammering
hammering
only
To select an operating mode:
1. Depress the mode selector release button
2. Rotate the mode selector dial so that the arrow points to
the symbol corresponding for the desired mode.
nOTE: The arrow on the mode selector dial
pointing at a mode symbol at all times. There are no
operable positions in between. It may be necessary to briefly
run the motor after having changed from 'hammering only'
to 'rotary' modes in order to align the gears or to position
the chisle bit.
Performing an Application (Fig. A, I)

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.

WARNING: Always wait until the motor has come to
a complete standstill before changing the direction
of rotation.
1. Choose and install the appropriate chuck, adapter, and/
or bit onto to the tool. Refer to Bit and Bit Holder.
2. Using the mode selector dial
appropriate to desired application. Refer to
Operation Modes.
3. Adjust the side handle
4. Select the direction of rotation using the forward/
reverse button 4 . When changing the position of the
control button, be sure the trigger is released.
- To select forward rotation, press the for ward/re verse
control button on the right side of the tool.
- To select reverse, press the forward/reverse control
button on the left side of the tool.
nOTE: The center position of the control button
locks the tool in the off position.
5. Place the bit/chisel on the desired location.
6. Depress the trigger switch
the trigger switch, the faster the tool will operate. For
maximum tool life, use variable speed only for starting
holes or fasteners.
7. To stop the hammer, release the switch.
6 to
Application
Screwdriving
Drilling into steel, wood
and plastics
Drilling into concrete
and masonry
Light chipping
7 .
6 must be
6 , select the mode
3 as necessary.
5 . The farther you depress