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6. Mounting the drill bit (Fig. 2)

(1)To attach a drill bit (SDS-plus shank), fully pull the grip in the direction of the arrow as shown in Fig. 2 and insert the drill bit as far as it will go while manu- ally turning.

(2)By releasing the grip, the drill bit will be secured.

(3)To remove the drill bit, fully pull the grip in the direction of the arrow and pull out the drill bit.

Front cap

Part of SDS-plus shank

Grip

Drill bit

Fig. 2

7. Installation of dust cup or dust col-

Dust Cup

lector (B) (Optional accessories)

 

(Fig. 3, Fig. 4)

 

When using a rotary hammer for up-

 

ward drilling operations attach a dust

 

cup or dust collector (B) to collect dust

 

or particles for easy operation.

 

◯ Installing the dust cup

 

Use the dust cup by attaching to the

 

drill bit a shown in Fig. 3.

Fig. 3

When using a bit which has big diam-

 

eter, enlarge the center hole of the dust

Dust Collector (B)

cup with this rotary hammer.

 

◯Installing dust collector (B)

When using dust collector (B), insert dust collector (B) from the tip of the bit by aligning it to the groove on the grip (Fig. 4)

Fig. 4

CAUTION:

◯The dust cup and dust collector (B) are for exclusive use of concrete drilling work. Do not use them for wood or metal drilling work.

◯Insert dust collector (B) completely into the chuck part of the main unit.

◯When turning the rotary hammer on while dust collector (B) is detached from a concrete surface, dust collector (B) will rotate together with the drill bit. Make sure to turn on the switch after pressing dust cup on the concrete surface. (When using dust collector (B) attached to a drill bit that has more than 7-15/ 32" (190 mm) of overall length, dust collector (B) cannot touch the concrete surface but rotates. Therefore please use dust collector (B) by attaching to drill

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Hitachi Koki USA DH 24PC Mounting the drill bit Fig, Installation of dust cup or dust col, Lector B Optional accessories
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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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