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• 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.
Replacing carbon brushes (Fig. 11)
Replace 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.
Use a screwdriver to remove two screws then remove the
rear cover. (Fig. 12)
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. 13)
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. 14)
Make sure that the carbon brush caps have fit into the
holes in brush holders securely. (Fig. 15)
Reinstall the rear cover and tighten two screws securely.
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.
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
• Screw bits
• Bit holder
•Hook
• Various type of Makita genuine batteries and chargers
• Automatic refreshing adapter
• Plastic carrying case
For Model BDF442
For European countries only
Noise
ENG101-1
The typical A-weighted noise level determined according
to EN60745-2-1:
Sound pressure level (L
pA
): 71 dB (A)
Uncertainty (K): 3 dB (A)
The noise level under working may exceed 85 dB (A).
Wear ear protection
Vibration
ENG202-1
The vibration total value (tri-axial vector sum) determined
according to EN60745-2-1:
Work mode: Drilling into metal
Vibration emission (a
h,D
): 2.5 m/s
2
or less
For Model BDF452
For European countries only
Noise
ENG103-1
The typical A-weighted noise level determined according
to EN60745-2-1:
Sound pressure level (L
pA
): 70 dB (A) or less
The noise level under working may exceed 85 dB (A).
Wear ear protection
Vibration
ENG202-1
The vibration total value (tri-axial vector sum) determined
according to EN60745-2-1:
Work mode: Drilling into metal
Vibration emission (a
h,D
): 2.5 m/s
2
or less
EC-DECLARATION OF CONFORMITY
Model; BDF442, BDF452
ENH102-7
We declare under our sole responsibility that this product
is in compliance with the following standards of
standardized documents;
EN60745, EN55014 in accordance with Council
Directives, 2004/108/EC, 98/37/EC.
CE 2007
Tomoyasu Kato
Director
Responsible Manufacturer:
Makita Corporation
3-11-8, Sumiyoshi-cho, Anjo, Aichi, JAPAN
Authorized Representative in Europe:
Makita International Europe Ltd.
Michigan Drive, Tongwell, Milton Keynes, Bucks MK15
8JD, ENGLAND