Makita BHP343RFE [7/48] Maintenance
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Makita BHP343RFE [7/48] Maintenance

Makita BHP343RFE [7/48] Maintenance
7
Blow-out bulb (optional accessory)
Fig.9
After drilling the hole, use the blow-out bulb to clean the
dust out of the hole.
Screwdriving operation
Fig.10
First, turn the action mode changing ring so that the
arrow on the tool body points to the
marking. Adjust
the adjusting ring to the proper torque level for your work.
Then proceed as follows.
Place the point of the driver bit in the screw head and
apply pressure to the tool. Start the tool slowly and then
increase the speed gradually. Release the switch trigger
as soon as the clutch cuts in.
CAUTION:
• Make sure that the driver bit is inserted straight in
the screw head, or the screw and/or bit may be
damaged.
NOTE:
• When driving wood screws, predrill pilot holes to
make driving easier and to prevent splitting of the
workpiece. See the chart.
Nominal diameter of wood screw
(mm)
Recommended size of pilot hole
(mm)
3.1 2.0 - 2.2
3.5 2.2 - 2.5
3.8 2.5 - 2.8
4.5 2.9 - 3.2
4.8 3.1 - 3.4
5.1 3.3 - 3.6
5.5 3.7 - 3.9
5.8 4.0 - 4.2
6.1 4.2 - 4.4
006421
Drilling operation
First, turn the adjusting ring so that the pointer points to
the
marking. Then proceed as follows.
CAUTION:
•
Pressing excessively on the tool will not speed up
the drilling. In fact, this excessive pressure will only
serve to damage the tip of your bit, decrease the tool
performance and shorten the service life of the tool.
• There is a tremendous force exerted on the tool/bit
at the time of hole break through. Hold the tool
firmly and exert care when the bit begins to break
through the workpiece.
• A stuck bit can be removed simply by setting the
reversing switch to reverse rotation in order to back
out. However, the tool may back out abruptly if you
do not hold it firmly.
• Always secure small workpieces in a vise or similar
hold-down device.
• If the tool is operated continuously until the battery
cartridge has discharged, allow the tool to rest for
15 minutes before proceeding with a fresh battery.
Drilling in wood
When drilling in wood, the best results are obtained with
wood drills equipped with a guide screw. The guide
screw makes drilling easier by pulling the bit into the
workpiece.
Drilling in metal
To prevent the bit from slipping when starting a hole,
make an indentation with a center-punch and hammer at
the point to be drilled. Place the point of the bit in the
indentation and start drilling.
Use a cutting lubricant when drilling metals. The
exceptions are iron and brass which should be drilled dry.
MAINTENANCE
CAUTION:
• Always be sure that the tool is switched off and the
battery cartridge is removed before attempting to
perform inspection or maintenance.
• Never use gasoline, benzine, thinner, alcohol or the
like. Discoloration, deformation or cracks may
result.
To maintain product SAFETY and RELIABILITY, repairs,
any other maintenance or adjustment should be
performed by Makita Authorized Service Centers, always
using Makita replacement parts.
OPTIONAL ACCESSORIES
CAUTION:
• These accessories or attachments are
recommended for use with your Makita tool
specified in this manual. The use of any other
accessories or attachments might present a risk of
injury to persons. Only use accessory or
attachment for its stated purpose.
If you need any assistance for more details regarding
these accessories, ask your local Makita Service Center.
• Drill bits
• Tungsten-carbide tipped hammer bit
• Phillips bit
• Slotted bit
• Socket bit
• Blow-out bulb
• Safety goggles
• Various type of Makita genuine batteries and
chargers
• Rubber pad assembly
• Wool bonnet
• Foam polishing pad
• Plastic carrying case
NOTE:
• Some items in the list may be included in the tool
package as standard accessories. They may differ
from country to country.

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