Fig. 9
Push button
Fig. 8 Front Cap

English

CAUTION:

◯When the drill bit touches an iron reinforcing rod, the bit will stop immediately and the rotary hammer will react to revolve. Therefore please grip the side

handle and handle tightly as shown in Fig. 7.

Change Lever

3.Rotation only

This rotary hammer can be set to rota- tion only mode by pressing the push

button and turning the change lever to

mark. (Fig. 8)

To drill a wood or metal material using the separately sold drill chuck and chuck adaptor, proceed as follows. Installing drill chuck and chuck adaptor (Fig. 9):

(1)Mount the drill chuck to the chuck adaptor.

(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.

Grip

Drill Chuck

Part of SDS-plus shank

 

Chuck Adaptor

CAUTION:

◯Application of force more than necessary will not only reducing drilling effi- ciency at all, but will deteriorate the tip edge of the drill bit and reduce the service life of the rotary hammer in addition.

◯Drill bit may snap off while disengaging the rotary hammer from the jammed hole. For disengaging, it is important to use a pushing motion or turn the drill bit counterclockwise.

◯Do not attempt to drill anchor holes or holes in concrete with the main unit in the rotation only function.

◯Do not attempt to use the rotary hammer in the rotation and striking function with the drill chuck and chuck adaptor attached. This would seriously shorten the service life of every components of the machine. Bit

4.When driving machine screws (Fig. 10)

First, insert the bit into the socket in the end of chuck adaptor (D).

Next, mount chuck adaptor (D) on the main unit using procedures described in 5 (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.

Socket

Chuck Adaptor (D)

Front Cap

Grip

Fig. 10

13

Page 12 Page 14
Page 13
Image 13
Hitachi Koki USA DH 24PC instruction manual Rotation only, When driving machine screws Fig
Page 12 Page 14

DH 24PC specifications

The Hitachi Koki USA DH 24PC is a robust and versatile rotary hammer designed for a variety of heavy-duty applications in both professional and DIY environments. With its powerful performance and advanced features, the DH 24PC has earned a reputation as a reliable tool for drilling into concrete, brick, and masonry.

One of the most notable features of the DH 24PC is its impressive motor, which delivers a strong 2.4 joules of impact energy. This allows the tool to drill through tough materials efficiently, making it ideal for construction workers, contractors, and serious DIY enthusiasts. The hammer is equipped with a 24mm SDS-plus chuck, providing excellent grip and stability for various bits, allowing users to switch quickly between drilling and chiseling modes.

The DH 24PC incorporates innovative technologies aimed at enhancing user experience and safety. It features an ergonomic design with a soft, rubberized grip that minimizes vibration and reduces fatigue during extended use. The lightweight construction of the tool, weighing only 6.4 pounds, contributes to its ease of handling while still providing robust power.

Additionally, the DH 24PC boasts a three-mode operation, allowing users to select between hammer-only, hammer-drill, and drill-only modes. This versatility not only increases the range of applications but also ensures efficiency when tackling various tasks. The presence of a variable speed control adds further flexibility, enabling precise adjustments to match the specific drilling or chiseling requirements.

Another standout characteristic of the DH 24PC is its integrated dust protection system. This feature helps to prolong the life of the tool by minimizing the amount of debris that can enter the motor and other components. Furthermore, the tool is designed with replaceable carbon brushes, extending its lifespan and ensuring consistent performance over time.

Safety is paramount in power tools, and the DH 24PC is no exception. It includes a convenient lock-on switch for continuous operation, which enhances safety and reduces strain during prolonged use. Overall, the Hitachi Koki USA DH 24PC is a powerful and efficient rotary hammer that combines advanced technology, user-friendly features, and durable construction, making it a preferred choice for professionals and enthusiasts alike. Its blend of performance, versatility, and ease of use truly sets it apart in the competitive tool market.
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