English

ASSEMBLY AND OPERATION

APPLICATIONS

Rotation and hammering function

Drilling anchor holes

Drilling holes in concrete Hammering function only

Crushing concrete, chipping, digging, and squaring (by applying optional accessories)

PRIOR TO OPERATION

1.Power source

Ensure that the power source to be utilized conforms to the power source requirements specified on the product nameplate.

2.Power switch

Ensure that the switch is in the OFF position. If the plug is connected to a receptacle while the switch is in the ON position, the power tool will start operating immediately and can cause serious injury.

3.Extension cord

When the work area is far away from the power source, use an extension cord of sufficient thickness and rated capacity (refer to page 9). The extension cord should be kept as short as practicable.

WARNING: Damaged cord must be replaced or repaired.

4.Check the receptacle

If the receptacle only loosely accepts the plug, the receptacle must be repaired. Contact a licensed electrician to make appropriate repairs.

If such a fautly receptacle is used, it may cause overheating, resulting in a serious hazard.

5.Confirming condition of the environment:

Confirm that the work site is placed under appropriate conditions conforming to prescribed precautions.

6.How to install dust cover (Fig. 2)

Always install the dust cover on the drill bit or the taper shank adaptor. Insert the dust cover until it lies flush in the groove.

NOTE: For a thick drill bit, insert the dust cover from drill rear.

Dust cover Insert up to the groove

Fig. 2

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Hitachi DH 40FB instruction manual Assembly and Operation, Applications, Prior to Operation

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.