This technical manual provides comprehensive information on the Atlas Copco Fusion 50 through 120 DTH hammers. It covers essential aspects of the product, ranging from installation and operation to maintenance and troubleshooting.

Begin with the "Safety" section, which outlines crucial safety precautions to be observed when handling and operating the DTH hammer. The "Installation and Operation" section details the proper setup procedure, including DTH setup, valve and choke selection, bailing velocity requirements, bit installation, drill lubrication, and operational guidelines such as drilling with foam, collaring, rotation speed, feed force, hole cleaning, flushing and dust suppression, dry drilling, and wet drilling. The manual also provides instructions for changing the drill bit.

The "Maintenance and Repair" section covers DTH service, including disassembly procedures, Hydrocyclone service, DTH assembly, exhaust tube replacement, and bit selection and maintenance. It also includes information on bit sharpening.

A dedicated "Troubleshooting" section provides guidance on diagnosing and resolving common issues that may arise during operation. The manual concludes with "Specifications" and "Ordering Instructions" for the DTH hammers. This information is accompanied by comprehensive "Parts Lists".

This technical manual serves as a valuable resource for operators, technicians, and maintenance personnel involved in using and servicing Atlas Copco Fusion 50 through 120 DTH hammers.

The Atlas Copco DTH hammer technical manual covers the Fusion 50 through 120 series, a range of powerful and versatile down-the-hole (DTH) hammers designed for demanding drilling applications in various industries. These hammers are specifically engineered for use in mining, quarrying, construction, and other heavy-duty projects. The Fusion series prioritizes robust construction and reliable performance, featuring a wide range of sizes and configurations to cater to diverse drilling needs. Each model within the Fusion series, from the compact Fusion 50 to the powerful Fusion 120, offers unique features and specifications, including variations in drilling diameter, air consumption, and impact energy, allowing users to select the optimum hammer for their specific drilling task.

The Atlas Copco Fusion DTH hammers are known for their exceptional drilling performance and longevity, attributed to several key design elements. These include a rugged and durable construction leveraging high-quality materials, advanced piston and valve designs for optimized impact energy and efficiency, and a robust bearing system for reliable operation in demanding environments. The technical manual provides comprehensive information on the operation, maintenance, and troubleshooting of these DTH hammers, covering aspects like proper installation, lubrication procedures, and potential fault diagnosis. This detailed documentation enables users to maximize their DTH hammer's performance and lifespan, minimizing downtime and ensuring efficient drilling operations.