Manual Hitachi DH24PD2 (page 13 of 78) (English, German, Dutch, French, Italian, Portuguese, Spanish)

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(4) Removing dust

Excessive dust in the dust bag will reduce dust-

collecting effectiveness. Remove dust from the dust

bag regularly.

Remove the dust bag from the main unit, pull out the

rail and throw away the dust and clean (see Fig. 14).

4. When not using the dust-collecting adapter

When removing the dust-collecting adapter and the

dust bag to use as a normal rotary hammer, insert

the provided cap in the hose attachment hole. (see

Fig. 15). After removing the dust bag, the air blowing

out from the attachment hole is reduced and no air

will blow onto your face.

5. Rotation only

Remove the dust-collecting adapter as it cannot be

used. Insert the provided cap in the hose attachment

hole.

This rotary hammer can be set to rotation only mode

by pressing the push button and turning the change

lever to the

mark. (Fig. 16)

To drill wood or metal material using the drill chuck

and chuck adapter (optional accessories), proceed as

follows.

Installing drill chuck and chuck adapter: (Fig. 17)

(1) Attach the drill chuck to the chuck adapter.

(2) The part of the SDS-plus shank is the same as the

drill bit. Therefore, refer to the item of “Mounting the

drill bit” for attaching it.

CAUTION:

⅜ Application of force more than necessary will not

only expedite the work, but will deteriorate the tip

edge of the drill bit and reduce the service life of the

rotary hammer in addition.

⅜ Drill bits may snap off while withdrawing the rotary

hammer from the drilled hole. For withdrawing, it is

important to use a pushing motion.

⅜ Do not attempt to drill anchor holes or holes in

concrete with the machine set in the rotation only

function.

⅜ Do not attempt to use the rotary hammer in the

rotation and striking function with the drill chuck and

chuck adapter attached. This would seriously shorten

the service life of every component of the machine.

6. When driving machine screws (Fig. 18)

First, insert the bit into the socket in the end of chuck

adapter (D).

Next, mount chuck adapter (D) on the main unit

using procedures described in 4 (1), (2), (3), put the

tip of the bit in the slots in the head of the screw,

grasp the main unit and tighten the screw.

CAUTION:

⅜ Exercise care not to excessively prolong driving time,

otherwise, the screws may be damaged by excessive

force.

⅜ Apply the rotary hammer perpendicularly to the screw

head when driving the screw; otherwise, the screw

head or bit will be damaged, or driving force will not

be fully transferred to the screw.

⅜ Do not attempt to use the rotary hammer in the

rotation and striking function with the chuck adapter

and bit attached.

7. When driving wood screws (Fig. 18)

(1) Selecting a suitable driver bit

Employ plus-head screws, if possible, since the driver

bit easily slips off the heads of minus-head screws.

(2) Driving in wood screws

⅜ Prior to driving in wood screws, make pilot holes

suitable for them in the wooden board. Apply the bit

to the screw head grooves and gently drive the screws

into the holes.

⅜ After rotating the rotary hammer at low speed for a

while until the wood screw is partly driven into the

wood, squeeze the trigger more strongly to obtain

the optimum driving force.

CAUTION:

Exercise care in preparing a pilot hole suitable for the

wood screw taking the hardness of the wood into

consideration. Should the hole be excessively small

or shallow, requiring much power to drive the screw

into it, the thread of the wood screw may sometimes

be damaged.

8. How to use the drill bit (taper shank) and the taper

shank adapter

(1) Mount the taper shank adapter to the rotary hammer.

(Fig. 19)

(2) Mount the drill bit (taper shank) to the taper shank

adapter. (Fig. 19)

(3) Turn the switch ON, and drill a hole in prescribed

depth.

(4) To remove the drill bit (taper shank), insert the cotter

into the slot of the taper shank adapter and strike the

head of the cotter with a hammer supporting on a

rests. (Fig. 20)

LUBRICATION

Low viscosity grease is applied to this rotary hammer so

that it can be used for a long period without replacing

the grease. Please contact the nearest service center for

grease replacement when any grease is leaking form

loosened screw.

Further use of the rotary hammer with lock off grease

will cause the machine to seize up reduce the service life.

CAUTION:

A special grease is used with this machine, therefore,

the normal performance of the machine may be badly

affected by use of other grease. Please be sure to let

one of our service agents undertake replacement of

the grease.

MAINTENANCE AND INSPECTION

1. Inspecting the drill bits

Since use of a dull tool will cause motor

malfunctioning and degraded efficiency, replace the

drill bit with new ones or resharpen them without

delay when abrasion is noted.

2. Inspecting the mounting screws

Regularly inspect all mounting screws and ensure

that they are properly tightened. Should any of the

screws be loose, retighten them immediately. Failure

to do so could result in serious hazard.

3. Maintenance of the motor

The motor unit winding is the very ”heart” of the

power tool. Exercise due care to ensure the winding

does not become damaged and/or wet with oil or

water.

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Hitachi DH24PD2 Manual

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