Bedienungsanleitung Makita bhp 460 sh (Seite 8 von 88) (Deutsch, Englisch, Holländisch, Dänisch, Französisch, Italienisch, Portugiesisch, Spanisch, Schwedisch, Norwegisch, Finnisch)

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Drilling operation

First, turn the action mode changing ring so that the

arrow on the tool body points to the

marking. The

adjusting ring can be aligned in any torque levels for

this operation. Then proceed as follows.

•

Drilling in wood

When drilling in wood, 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 centerpunch and ham-

mer 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 force exerted on the tool/bit

at the time of hole breakthrough. 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.

Hammer drilling operation

First, turn the action mode changing ring so that the

arrow on the tool body points to the

marking.

The adjusting ring can be aligned in any torque levels

for this operation. Position the bit at the desired

location for the hole, then pull the trigger. Do not force

the tool. Light pressure gives best results. Keep the

tool in position and prevent it from slipping away from

the hole. Do not apply more pressure when the hole

becomes clogged with chips or particles. Instead, run

the tool at an idle, then remove the bit partially from

the hole. By repeating this several times, the hole will

be cleaned out and normal drilling may be resumed.

CAUTION:

There is a tremendous and sudden twisting force

exerted on the tool/bit at the time of hole break-

through, when the hole becomes clogged with chips

and particles, or when striking reinforcing rods

embedded in the concrete. Always use the side grip

(auxiliary handle) and firmly hold the tool by both side

grip and switch handle during operations. Failure to

do so may result in the loss of control of the tool and

potentially severe injury.

Blow-out bulb (Fig. 13)

Use the blow-out bulb to clean out the hole.

MAINTENANCE

CAUTION:

Always be sure that the tool is switched off and the

battery cartridge is removed before carrying out any

work on the tool.

Replacement of carbon brushes (Fig. 14 & 15)

Replace carbon brushes when they are worn down to

the limit mark. Both identical carbon brushes should

be replaced at the same time.

To maintain product safety and reliability, repairs,

maintenance or adjustment should be carried out by a

Makita Authorized Service Center.

BHP460 (E) (’100. 4. 19)

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