Makita 6300LR Instruction Manual - Page 6

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Installing side grip (auxiliary handle)

Screw the side grip on the tool securely.

005100

Installing or removing drill bit

003552

To install the bit, place it in the chuck as far as it will go.

Tighten the chuck by hand. Place the chuck key in each

of the three holes and tighten clockwise. Be sure to

tighten all three chuck holes evenly.

To remove the bit, turn the chuck key counterclockwise in

just one hole, then loosen the chuck by hand.

OPERATION

Drilling operation

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.

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 twisting force exerted on the

•

tool/bit at the time of hole breakthrough. Hold the

tool firmly and exert care when the bit begins to

1. Chuck key

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.

Avoid drilling in material that you suspect contains

•

hidden nails or other things that may cause the bit

to bind or break.

MAINTENANCE

CAUTION:

Always be sure that the tool is switched off and

•

unplugged 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.

003083

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.

1. Limit mark

1. Brush holder cap

2. Screwdriver