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Drilling in metal
To prevent the drill 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
drill bit in the indentation and start drilling.
Use a cutting lubricant when drilling metals. The excep-
tions are iron and brass which should be drilled dry.
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 drill
bit, decrease the tool performance and shorten the
service life of the tool.
CAUTION:
Hold the tool firmly and exert care
when the drill bit begins to break through the
workpiece. There is a tremendous force exerted on
the tool/drill bit at the time of hole break through.
CAUTION:
A stuck drill 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.
CAUTION:
Always secure small workpieces
in a vise or similar hold-down device.
CAUTION:
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.
MAINTENANCE
CAUTION:
Always be sure that the tool is
switched off and the battery cartridge is removed
before attempting to perform inspection or
maintenance.
NOTICE:
Never use gasoline, benzine, thinner,
alcohol or the like. Discoloration, deformation or
cracks may result.
Replacing carbon brushes
► Fig.15: 1. Limit mark
Check the carbon brushes regularly.
Replace them when they wear down to the limit mark.
Keep the carbon brushes clean and free to slip in the
holders. Both carbon brushes should be replaced at the
same time. Use only identical carbon brushes.
1.
Use a screwdriver to remove two screws then
remove the rear cover.
► Fig.16: 1. Rear cover 2. Screw
2.
Raise the arm part of the spring and then place
it in the recessed part of the housing with a slotted bit
screwdriver of slender shaft or the like.
► Fig.17: 1. Recessed part 2. Spring 3. Arm
3.
Use pliers to remove the carbon brush caps of
the carbon brushes. Take out the worn carbon brushes,
insert the new ones and replace the carbon brush caps
in reverse.
► Fig.18: 1. Carbon brush cap
4.
Make sure to place the lead wire in opposite side
of the arm.
► Fig.19: 1. Lead wire 2. Carbon brush cap
5.
Make sure that the carbon brush caps have fit into
the holes in brush holders securely.
► Fig.20: 1. Hole 2. Carbon brush cap
6.
Reinstall the rear cover and tighten two screws
securely.
7.
Insert the battery cartridge into the tool and break
in brushes by running tool with no load for about 1
minute.
8.
Check the tool while running and electric brake
operation when releasing the switch trigger. If electric
brake is not working well, ask Makita Authorized or
Factory Service Centers for repair.
To maintain product SAFETY and RELIABILITY,
repairs, any other maintenance or adjustment should
be performed by Makita Authorized or Factory 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 regard-
ing these accessories, ask your local Makita Service
Center.
•
Drill bits
•
Driver bits
•
Tungsten-carbide tipped drill bit
•
Blow-out bulb
•
Driver bit holder
•
Hook
•
Makita genuine battery and charger
NOTE: Some items in the list may be included in the
tool package as standard accessories. They may
differ from country to country.
10 ENGLISH
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