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Electrical Safety - Black & Decker MT350 Original Instructions Manual

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When assessing vibration exposure to determine safety
measures required by 2002/44/EC to protect persons regularly
using power tools in employment, an estimation of vibration
exposure should consider, the actual conditions of use and the
way the tool is used, including taking account of all parts of the
operating cycle such as the times when the tool is switched off
and when it is running idle in addition to the trigger time.
Labels on tool
The following pictograms are shown on the tool:
Warning! To reduce the risk of injury, the user must
read the instruction manual.

Electrical safety

This tool is double insulated; therefore no earth wire
is required. Always check that the power supply
corresponds to the voltage on the rating plate.
If the supply cord is damaged, it must be replaced by the
manufacturer or an authorised BLACK+DECKER Service
Centre in order to avoid a hazard.
This tool includes some or all of the following features.
1. Variable speed switch
2. Forward/reverse slider
3. Head release button
4. Bit holder
5. Drill/screwdriver head (MTDD6)
6. Torque adjustment collar
7. Chuck
Warning! Before assembly, make sure that the tool is
switched off and unplugged.
Fitting and removing tool heads (fig. A)
Warning! Care must be taken when fitting and removing
heads. Moving parts may become hot during use.
To remove a tool head, depress the head release button
(3) and take the head off the tool.
To fit a tool head, line it up with the tool as shown and
push it onto the tool until it snaps into place.
(Original instructions)
Fitting and removing a drill bit or screwdriver bit
The drill/screwdriver head is fitted with a keyless chuck to
allow for an easy exchange of bits.
Open the chuck (7) by turning the front part clockwise with
one hand while holding the rear part with the other.
Insert the bit shaft into the chuck (7).
Firmly tighten the chuck (7) by turning the front part anti-
clockwise with one hand while holding the rear part with
the other.
To remove the screwdriver bit from the bit holder, lift the bit
from the recess.
To store the screwdriver bit, firmly push it into the holder.
Warning! Let the tool work at its own pace. Do not overload.
Warning! Before drilling into walls, floors or ceilings, check for
the location of wiring and pipes.
Selecting the torque or drill position (fig. B)
This tool is fitted with a collar to set the torque for tightening
For drilling, set the collar (6) to the drilling position by
aligning the symbol with the marking (8).
For screwdriving, set the collar to the desired setting.
If you do not yet know the appropriate setting, proceed as
Set the collar (6) to position 1.
Tighten the first screw.
If the clutch ratchets before the desired result is
achieved, increase the collar setting and continue
tightening the screw. Repeat until you reach the correct
Selecting the direction of rotation (fig. C)
For drilling and tightening screws, use forward (clockwise)
rotation. For loosening screws or removing a jammed drill bit,
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.


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