Manual Hitachi WR 12 DMR (page 8 of 74) (English)

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5. Installing a socket (Impact wrench)

Select the socket to be used.

ⅷ Pin, O-ring type

(1) Align the hole in the socket with the hole in the anvil

and insert the anvil into the socket.

(2) Insert the pin into the socket.

(3) Attach the ring to the groove on the socket.

ⅷ Plunger type (Fig. 3)

Align the plunger located in the square part of the

anvil B with the hole in the hex. socket 0. Then push

the plunger, and mount the hex. socket 0 on the anvil

B. Check that the plunger is fully engaged in the hole.

When removing the socket 0, reverse the sequence.

ⅷ Retaining ring type

(1) Align the square portions of the socket and the anvil

with each other.

(2) Make sure to firmly install the socket by pushing it all

the way into the anvil.

(3) When removing the socket, pull it out of the anvil.

CAUTION

⅜ Please use the designated attachments which are

listed in the operations manual and Hitachi’s catalog.

Accidents or injuries could result from not doing so.

⅜ Make sure to firmly install the socket in the anvil. If

the socket is not firmly installed it might come out

and cause injuries.

HOW TO USE

CAUTION

⅜ When using the light equipped hook, pay sufficient

attention so that the main equipment does not fall. If

the tool falls, there is a risk of accident.

⅜ Do not attach the tip tool except phillips bit to the tool

main unit when carrying the tool main unit with the

light equipped hook suspended from a waist belt.

Injury may result if you carry the equipment

suspended from the waist belt with sharp tipped

components such as drill bit attached.

1. Using the light equipped hook

The light equipped hook can be installed on the right

or left side and the angle can be adjusted in 5 steps

between 0° and 80°.

(1) Operating the hook

(a) Pull out the hook E toward you in the direction of

arrow (A) and turn in the direction of arrow (B)

(Fig. 5).

(b) The angle can be adjusted in 5 steps (0°, 20°, 40°,

60°, 80°).

Adjust the angle of the hook to the desired position

for use.

(2) Switching the hook position

CAUTION

Incomplete installation of the hook may result in

bodily injury when used.

(a) Securely hold the main unit and remove the screw

using a slotted head screwdriver or a coin (Fig. 6).

(b) Remove the hook E and spring F (Fig. 7).

and securely fasten with screw (Fig. 8).

NOTE

Pay attention to the spring F orientation. Install the

spring F with larger diameter G away from you

(Fig. 8).

(3) Using as an auxiliary light

(a) Press the switch H to turn off the light.

If forgotten, the light will turn off automatically

after 15 minutes.

(b) The direction of the light can be adjusted within

the range of hook positions 1 – 5 (Fig. 9).

⅜ Lighting time

AAAA manganese batteries: approx. 15 hrs.

AAAA alkali batteries: approx. 30 hrs.

CAUTION

Do not look directly into the light.

Such actions could result in eye injury.

(4) Replacing the batteries

(a) Loosen the hook screw J with a phillips-head

screwdriver (No. 1) I (Fig. 10).

Remove the hook cover L by pushing in the

direction of the arrow (Fig. 11).

(b) Remove the old batteries and insert the new

batteries. Align with the hook indications and

position the plus (+) and minus (–) terminals

correctly (Fig. 12).

with the protuberance of the hook cover L, press

the hook cover L in the direction opposite to that

of the arrow K shown in Fig. 11 and then tighten

the screw.

Use commercially available AAAA batteries

(1.5 V) O.

NOTE

Do not tighten the screw excessively. Such action

could strip the screw threads.

CAUTION

⅜ Failure to observe the following can result in battery

leakage, rust or malfunction.

Position the plus (+) and minus (–) terminals correctly.

Replace both batteries at the same time. Do not mix

old and new batteries.

Remove exhausted batteries from the hook

immediately.

⅜ Do not discard batteries together with normal trash

and do not throw batteries into fire.

⅜ Store batteries out of the reach of children.

⅜ Use batteries correctly in accordance with the battery

specifications and indications.

2. Check the rotational direction

The bit rotates clockwise (viewed from the rear side)

by pushing the R-side of the push button C.

The L-side of the push button is pushed to turn the bit

counterclockwise (See Fig. 4) (The

and

marks

are provided on the body).

CAUTION

The push button cannot be switched while the impact

driver is turning. To switch the push button, stop the

impact driver, then set the push button.

3. Switch operation

⅜ When the trigger switch is depressed, the tool rotates.

When the trigger is released, the tool stops.

⅜ The rotational speed can be controlled by varying the

amount that the trigger switch is pulled. Speed is low

when the trigger switch is pulled slightly and increases

as the trigger switch is pulled more.

4. Tightening and loosening screws (Impact driver)

Install the bit that matches the screw, line up the bit in

the grooves of the head of the screw, then tighten it.

Push the impact driver just enough to keep the bit

fitting the head of the screw.

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Hitachi WR 12 DMR Manual

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