Replacing Carbon Brushes - Makita BFT043F Manuel D'instructions

2. To install the bit, pull the sleeve in the direction of
the arrow and insert the bit-piece and 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.
1
011415
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.
OPERATION
Screwdriving operation
011392
Place the point of the driver bit in the screw head and
apply pressure to the tool. Then switch the tool on. When
the clutch cuts in, the motor will stop automatically. Then
release the switch trigger.
NOTE:
Make sure that the driver bit is inserted straight in
•
the screw head, or the screw and/or bit may be
damaged.
Limits of fastening capacity
Use the tool within the range of the revolution angle up to
360 ﾟ. If you use the tool beyond the upper limit of this
range, the clutch does not work. And the tool cannot
deliver enough fastening torque.
1. Bit-piece
8
NOTE:
The revolution angle means the angle which a
•
screw/bolt revolves when the tool attains to 100%
from 50% of desired torque.
Use of a low temperature conditioned battery
•
cartridge may sometimes give warning for battery
cartridge capacity by warning lamp and beeper
which makes the tool stop immediately. In this case,
the fastening capacity may be inferior to the
specification on this manual even if a charged
battery cartridge is used.
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.

Replacing carbon brushes

001145
Remove and check the carbon brushes regularly.
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 the brush holder caps. Take
out the worn carbon brushes, insert the new ones and
secure the brush holder caps.
2
004250
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.
1. Limit mark
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1. Brush holder cap
1
2. Screwdriver