Manual Makita DHR202RTJ (page 7 of 56) (English, German, Dutch, Danish, French, Italian, Portuguese, Spanish)

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To start the tool, simply pull the switch trigger. Tool speed

is increased by increasing pressure on the switch trigger.

Release the switch trigger to stop.

Lighting up the lamp (Fig. 4)

CAUTION:

• Do not look in the light or see the source of light

directly.

Pull the switch trigger to light up the lamp. The lamp

keeps on lighting while the switch trigger is being pulled.

The light automatically goes out 10 - 15 seconds after the

switch trigger is released.

NOTE:

• Use a dry cloth to wipe the dirt off the lens of lamp. Be

careful not to scratch the lens of lamp, or it may lower

the illumination.

• Do not use thinner or gasoline to clean the lamp. Such

solvents may damage it.

Reversing switch action (Fig. 5)

This tool has a reversing switch to change the direction of

rotation. Depress the reversing switch lever from the A

side for clockwise rotation or from the B side for

counterclockwise rotation.

When the reversing switch lever is in the neutral position,

the switch trigger cannot be pulled.

CAUTION:

• Always check the direction of rotation before operation.

• Use the reversing switch only after the tool comes to a

complete stop. Changing the direction of rotation

before the tool stops may damage the tool.

• When not operating the tool, always set the reversing

switch lever to the neutral position.

Selecting the action mode

Rotation with hammering (Fig. 6)

For drilling in concrete, masonry, etc., depress the lock

button and rotate the action mode changing knob to the

symbol. Use a tungsten-carbide tipped bit.

Rotation only (Fig. 7)

For drilling in wood, metal or plastic materials, depress the

lock button and rotate the action mode changing knob to

the symbol. Use a twist drill bit or wood bit.

Hammering only (Fig. 8)

For chipping, scaling or demolition operations, depress

the lock button and rotate the action mode changing knob

to the symbol. Use a bull point, cold chisel, scaling

chisel, etc.

CAUTION:

• Do not rotate the action mode changing knob when the

tool is running. The tool will be damaged.

• To avoid rapid wear on the mode change mechanism,

be sure that the action mode changing knob is always

positively located in one of the three action mode

positions.

Torque limiter

The torque limiter will actuate when a certain torque level

is reached. The motor will disengage from the output

shaft. When this happens, the bit will stop turning.

CAUTION:

• As soon as the torque limiter actuates, switch off the

tool immediately. This will help prevent premature wear

of the tool.

• Hole saws cannot be used with this tool. They tend to

pinch or catch easily in the hole. This will cause the

torque limiter to actuate too frequently.

ASSEMBLY

CAUTION:

• Always be sure that the tool is switched off and the

battery cartridge is removed before carrying out any

work on the tool.

Side grip (auxiliary handle) (Fig. 9)

CAUTION:

• Always use the side grip to ensure operating safety.

Install the side grip so that the teeth on the grip fit in

between the protrusions on the tool barrel. Then tighten

the grip by turning clockwise at the desired position. It

may be swung 360° so as to be secured at any position.

Bit grease

Coat the bit shank head beforehand with a small amount

of bit grease (about 0.5 -1 g). This chuck lubrication

assures smooth action and longer service life.

Installing or removing the bit

Clean the bit shank and apply bit grease before installing

the bit. (Fig. 10)

Insert the bit into the tool. Turn the bit and push it in until it

engages. (Fig. 11)

If the bit cannot be pushed in, remove the bit. Pull the

chuck cover down a couple of times. Then insert the bit

again. Turn the bit and push it in until it engages.

After installing, always make sure that the bit is securely

held in place by trying to pull it out.

To remove the bit, pull the chuck cover down all the way

and pull the bit out. (Fig. 12)

Bit angle (when chipping, scaling or

demolishing) (Fig. 13)

The bit can be secured at the desired angle. To change

the bit angle, depress the lock button and rotate the action

mode changing knob to the

symbol. Turn the bit to the

desired angle.

Depress the lock button and rotate the action mode

changing knob to the symbol. Then make sure that the

bit is securely held in place by turning it slightly. (Fig. 14)

Depth gauge (Fig. 15)

The depth gauge is convenient for drilling holes of uniform

depth. Loosen the side grip and insert the depth gauge

into the hole in the side grip. Adjust the depth gauge to the

desired depth and tighten the side grip.

NOTE:

• The depth gauge cannot be used at the position where

the depth gauge strikes against the gear housing.

Dust cup (Fig. 16)

Use the dust cup to prevent dust from falling over the tool

and on yourself when performing overhead drilling

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Makita DHR202RTJ Manual

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