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CAUTION:

Although this machine is equipped with a safety clutch, if the drill bit becomes bound in concrete or other material, the resultant stoppage of the drill bit could cause the machine body to turn in reaction. Ensure that the main handle and side handle are gripped firmly during operation.

2.How to chisel or crush (Fig. 6)

By applying the tool tip to the chiseling or crushing position, operate the rotary hammer by utilizing its empty weight. Forcible pressing or thrusting is unnecessary.

Fig. 6

Under Cover

3. How to select rotation-hammering and hammering.

(1) Rotation-hammering (Fig. 7)

Rotate the selector lever clockwise so

Selector

Lever

that the ▲ mark on the selector lever is

 

aligned with the ▲ mark on the side of

 

the

mark on the under cover.

 

(2)Hammering (Fig. 8)

Rotate the selector lever counter- clockwise so that the ▲ mark on the selector lever is aligned with the ▲ mark

on the side of the mark on the under

cover.▲

CAUTION:

◯ Turning the selector lever during motor ▲ rotation will rotate the tool accidentally.

The selector lever should only be turned when the motor is stopped.

4. Install the stopper (Fig. 9)

Stopper

(1) Loosen the side handle and insert the straight portion of the stopper into the handle bolt hole from the front cover.

(2) Loosen the side handle, move the stopper to the specified position and rotate the grip of the side handle clockwise to fix the stopper.

▲

▲

Fig. 7

Under Cover

Selector

Lever

Fig. 8

Side Handle

Fig. 9

12

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Image 12
Hitachi DH 40FB How to chisel or crush Fig, How to select rotation-hammering and hammering, Install the stopper Fig
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DH 40FB specifications

The Hitachi DH 40FB is a powerful and versatile rotary hammer designed for heavy-duty applications in construction, renovation, and maintenance tasks. As a leader in the power tools industry, Hitachi has engineered the DH 40FB to meet the demands of professionals who require both performance and precision in their work.

One of the main features of the Hitachi DH 40FB is its robust motor, delivering a striking force of up to 8.2 joules, making it ideal for drilling and chiseling through concrete, masonry, and other tough materials. This high-impact energy ensures that users can complete their tasks efficiently, whether it’s drilling holes for anchor bolts or chiseling out old material for renovation projects. The hammer offers drilling capacities of up to 40 mm in concrete, allowing for versatile applications depending on the specific needs of the job site.

Another technology that sets the Hitachi DH 40FB apart is its use of a unique vibration-dampening system. This feature significantly reduces the amount of vibration that is transmitted to the user, enhancing comfort and minimizing fatigue during prolonged use. This is especially beneficial for professionals who frequently operate heavy tools, as it helps maintain productivity without compromising on safety and ergonomics.

The DH 40FB also incorporates a user-friendly design that includes an easy-to-access switch for selecting between hammer-only and rotary hammer modes. This versatility enables users to switch effortlessly between different applications, optimizing the tool’s efficiency for various tasks like wall chasing or drilling into steel.

In terms of build quality, the Hitachi DH 40FB is designed for durability. Its aluminum housing protects the internal components from dust and debris, which is critical in harsh job site environments. Additionally, the tool features a rotating brush system that maintains equal power in both forward and reverse modes, along with a rugged case that aids in transportation and storage.

Overall, the Hitachi DH 40FB stands out as a reliable and efficient tool, combining power, comfort, and advanced features that cater to the rigorous demands of the construction industry. With its robust capabilities and modern engineering, it is a valuable asset for any professional looking to enhance productivity on the job site. Whether drilling or chiseling, the DH 40FB continues to prove itself as a trusted choice among power tools.
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