Maintenance and Inspection

English

WARNING: Be sure to switch power OFF and disconnect the plug from the receptacle during maintenance and inspection.

1.Inspecting the drill bits

Since use of a dull tool will cause motor malfunctioning and degraded efficiency, replace the drill bit with a new one or resharpening without delay when 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 loosened, retighten them immediately.

WARNING: Using this rotary hammer with loosen screws is extremely dangerous.

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.How to replace grease

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 authorized service center for grease replacement when any grease is leaking from a loosened screw. Further use of the rotary hammer despite the grease shortage causes seizure 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 other grease. Please be sure to let one of our authorized service center undertaking replacement of the grease.

6.Service and repairs

All quality power tools will eventually require servicing or replacement of parts because of wear from normal use. To assure that only authorized replacement parts will be used, all service and repairs must be performed by a HITACHI AUTHORIZED SERVICE CENTER, ONLY.

DH 24PE specifications

The Hitachi Koki USA DH 24PE is a powerful and versatile rotary hammer drill that is designed to handle a variety of demanding tasks in construction and renovation projects. Known for its reliability and performance, this tool is a favorite among professionals and DIY enthusiasts alike.

One of the standout features of the DH 24PE is its robust 2.2-amp motor, which delivers a remarkable 6.8 Joules of impact energy. This power enables the drill to tackle tough materials, including concrete, brick, and masonry, with ease. The rotary hammer drill offers two different modes of operation, allowing users to switch between hammer drilling and regular drilling, providing versatility for various applications.

Another essential aspect of the DH 24PE is its lightweight design. Weighing only 5.3 pounds, this rotary hammer drill is easy to maneuver, reducing user fatigue during extended use. The ergonomic handle ensures a comfortable grip, promoting better control and precision while working.

The DH 24PE is equipped with a unique vibration reduction system. This technology minimizes vibrations during operation, enhancing user comfort and allowing for prolonged use without discomfort. This feature is especially valuable in heavy-duty drilling tasks where extended periods of operation are common.

Durability is another key characteristic of the Hitachi Koki DH 24PE. The tool is constructed with high-quality materials, ensuring longevity and reliability even under harsh working conditions. Additionally, the robust design protects the internal components from dust and debris, contributing to its overall durability.

For convenience, the DH 24PE features a depth gauge that allows users to set precise drilling depths, which is crucial for tasks that require accuracy. Furthermore, the quick-change chuck system enables easy bit changes, enhancing efficiency on the job site.

In summary, the Hitachi Koki USA DH 24PE is a dependable rotary hammer drill packed with essential features, including a powerful motor, lightweight design, vibration reduction technology, and durable construction. Its versatility and user-friendly characteristics make it an excellent choice for both professional contractors and DIY enthusiasts looking for a reliable tool for their projects.

Hitachi Koki USA DH 24PE instruction manual Maintenance and Inspection

Models: DH 24PE