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HR3541FC
Инструкция по эксплуатации Страница: 8

Makita HR3541FC [8/56] Maintenance

Drilling in wood or metal

Fig.17

Use the optional keyless drill chuck assembly. When

installing it, refer to "Installing or removing the bit"

described on the previous page.

Set the change lever so that the pointer points to

the

symbol.

Hold the ring and turn the sleeve counterclockwise to

open the chuck jaws. Place the bit in the chuck as far as

it will go. Hold the ring firmly and turn the sleeve

clockwise to tighten the chuck. To remove the bit, hold

the ring and turn the sleeve counterclockwise.

CAUTION:

• Never use "rotation with hammering" when the

quick change drill chuck is installed on the tool.

The quick change drill chuck may be damaged.

• 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

break through the workpiece.

• Always secure small workpieces in a vise or similar

hold-down device.

Diamond core drilling

When performing diamond core drilling operations,

always set the change lever to the

position to use

"rotation only" action.

CAUTION:

• If performing diamond core drilling operations

using "rotation with hammering" action, the

diamond core bit may be damaged.

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.

Lubrication

CAUTION:

• This servicing should be performed by Makita

Authorized or Factory Service Centers only.

This tool requires no hourly or daily lubrication because

it has a grease-packed lubrication system. However, it is

recommended to periodically replace the grease for

longer tool life.

Run the tool for several minutes to warm it up. Switch off

and unplug the tool.

Loosen the four screws and remove the handle. Note

that the top screws are different from other screws.

Fig.18

Disconnect the connector by pulling them.

Fig.19

Loosen the two screws on crank cap cover and

remove the crank cap cover.

Fig.20

Align the change lever with the symbol

, loosen the

five screws and then remove the crank cap.

Fig.21

Fig.22

CAUTION:

• Always remove the crank cap only after aligning

the change lever with the symbol

. Never remove

it forcibly without aligning the change lever with the

symbol

. Failure to do so does not allow

reassembling.

Fig.23

Rest the tool on the table with the bit end pointing

upwards. This will allow the old grease to collect inside

the crank housing.

Wipe out the old grease inside and replace with a fresh

grease (30 g). Use only Makita genuine hammer grease

(optional accessory). Filling with more than the specified

amount of grease (approx. 30 g) can cause faulty

hammering action or tool failure. Fill only with the

specified amount of grease.

CAUTION:

• Be careful not to damage the connector or lead

wires especially when wiping out the old grease.

To reassemble the tool, follow the disassembling

procedure in reverse.

CAUTION:

• Do not tighten the crank cap excessively. It is made

of resin and is subject to breakage.

Fig.24

Connect the connector firmly and then reinstall the

handle.

CAUTION:

• Be careful not to damage the connector or lead

wires especially when installing the handle.

To maintain product SAFETY and RELIABILITY, repairs,

carbon brush inspection and replacement, any other

maintenance or adjustment should be performed by

Makita Authorized Service Centers, always using Makita

replacement parts.

Makita HR3541FC [8/56] Maintenance

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