Makita 6916D Manual De Instrucciones página 5

OPERATING INSTRUCTIONS
Installing or removing battery cartridge (Fig. 1)
• Always switch off the tool before insertion or removal of the battery cartridge.
• To remove the battery cartridge, withdraw it from the tool while pressing the buttons on both sides of the cartridge.
• To insert the battery cartridge, align the tongue on the battery cartridge with the groove in the housing and slip it into
place. Always insert it all the way until it locks in place with a little click. If not, it may accidentally fall out of the tool,
causing injury to you or someone around you.
• Do not use force when inserting the battery cartridge. If the cartridge does not slide in easily, it is not being inserted
correctly.
Installing or removing bit
Important: Always be sure that the tool is switched off and the battery cartridge is removed before installing or remov-
ing the bit.
Use only the driver bit or socket bit shown in the table below.
Do not use any other driver bit or socket bit.
1. To install the bit, pull the sleeve in the direction of the arrow and insert the bit into the sleeve as far as it will go.
Then release the sleeve to secure the bit. (Fig. 2)
2. To install the bit, pull the sleeve in the direction of the arrow and insert the bit-piece and the bit into the sleeve as
far as it will go. The bit-piece should be inserted into the sleeve with its pointed end facing in. Then release the
sleeve to secure the bit. (Fig. 3)
To remove the bit, pull the sleeve in the direction of the arrow and pull the bit out firmly.
NOTE:
If the bit is not inserted deep enough into the sleeve, the sleeve will not return to its original position and the bit will not
be secured. In this case, try re-inserting the bit according to the instructions above.
Switch action (Fig. 4)
CAUTION: Before inserting the battery cartridge into the
tool, always check to see that the switch trigger actuates
properly and returns to the "OFF" position when
released.
To start the tool, simply pull the trigger. Tool speed is
increased by increasing pressure on the trigger. Release
the trigger to stop.
Reversing switch action (Fig. 5)
CAUTION:
• Always check the direction of rotation before operation.
• Use the reversing switch only after the tool comes to a
complete stop. Changing the direction of rotation
before the tool stops may damage the tool.
• When not operating the tool, always set the reversing
switch lever to the neutral position.
This tool has a reversing switch to change the direction of
rotation. Depress the reversing switch lever from the A
side for clockwise rotation or from the B side for counter-
clockwise rotation. When the switch lever is in the neutral
position, the switch trigger cannot be pulled.
To install these types of bits, follow the procedure (1).
A= 17 mm
(Note) Makita bits are these types.
B= 14 mm
To install these types of bits, follow the procedure (2).
A= 11 mm
(Note) Bit-piece is necessary for installing the bit.
B= 9 mm
Operation (Fig. 6 & 7)
The proper fastening torque may differ depending upon
the kind or size of the screw/bolt, the material of the
workpiece to be fastened, etc. The relation between fas-
tening torque and fastening time is shown in Fig. 6 for
standard bolt or Fig. 7 for high tensile bolt.
Hold the tool firmly and place the point of the driver bit in
the screw head. Apply forward pressure to the tool to the
extent that the bit will not slip off the screw and turn the
tool on to start operation.
NOTE:
• When fastening screw M8 or smaller, carefully adjust
pressure on the switch trigger so that the screw is not
damaged.
• Hold the tool pointed straight at the screw.
• If you tighten the screw for a time longer than shown in
the figures, the screw or the point of the driver bit may
be overstressed, stripped, damaged, etc. Before start-
ing your job, always perform a test operation to deter-
mine the proper fastening time for your screw.
The fastening torque is affected by a wide variety of fac-
tors including the following. After fastening, always check
the torque with a torque wrench.
1. When the battery cartridge is discharged almost
completely, voltage will drop and the fastening
torque will be reduced.
2. Driver bit or socket bit
Failure to use the correct size driver bit or socket bit
will cause a reduction in the fastening torque.
5