Manual Hitachi DH24DVCS (page 15 of 88) (English, German, Dutch, French, Italian, Portuguese, Spanish)

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English

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 hammering function with the chuck

adapter and bit attached.

5. When driving wood screws (Fig. 13)

(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.

6. Hammering only

This rotary hammer can be set to hammering only

mode by turning the change lever to the

mark

(Fig. 14).

(1) Mount the bull point or cold chisel.

(2) Set the change lever to middle of

mark and

mark (Fig. 15).

The rotation is released, turn the tool and adjust

the cold chisel to desired position (Fig. 16).

(3) Turn the change lever to

mark (Fig. 14).

Then bull point or cold chisel is locked.

7. Using depth gauge (Fig. 17)

(1) Loosen the knob on the side handle, and insert the

depth gauge into the mounting hole on the side

handle.

(2) Adjust the depth gauge position according to the

depth of the hole and tighten the knob securely.

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. 18).

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

adapter (Fig. 18).

(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. 19).

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 despite the grease

shortage causes damage to reduce the service life.

CAUTION

A specific grease is used with this machine, therefore, the

normal performance of the machine may be badly affected

by use of different grease. Please be sure to let one of our

service centers to undertake replacement of the grease.

MAINTENANCE AND INSPECTION

1. Inspecting the tool

Since use of a dull tool will degrade efficiency and

cause possible motor malfunction, sharpen or

replace the tool as soon as 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.

4. Inspecting the carbon brushes

For your continued safety and electrical shock

protection, carbon brush inspection and replacement

on this tool should ONLY be performed by a HITACHI

Authorized Service Center.

5. Cleaning on the outside

When the power tool is stained, wipe with a soft

dry cloth or a cloth moistened with soapy water.

Do not use chloric solvents, gasoline or paint thinner,

as they melt plastics.

6. Storage

Store the power tool in a place in which the

temperature is less than 40°C and out of reach of

children.

7. Service parts list

CAUTION

Repair, modification and inspection of Hitachi Power

Tools must be carried out by a Hitachi Authorized

Service Center.

This Parts List will be helpful if presented with the

tool to the Hitachi Authorized Service Center when

requesting repair or other maintenance.

In the operation and maintenance of power tools,

the safety regulations and standards prescribed in

each country must be observed.

MODIFICATION

Hitachi Power Tools are constantly being improved

and modified to incorporate the latest technological

advancements.

Accordingly, some parts may be changed without

prior notice.

01Eng_DH24DVC(S)_WE 4/17/12, 9:2314

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Hitachi DH24DVCS Manual

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