STT40 / STT70

5. Maintenance

￿This chapter is intended for persons having skills in electrical and mechanical areas due to their training, experience and supporting documentation.

Personnel using the instructions in this chapter must be familiar with accident prevention regulations, operating conditions, safety regulations and their implementation.

Ensure in each case that the personnel are informed.

For maintenance work taking place at heights of over 6ft. (1829mm), use only ladders and working platforms or similar equipment intended for this purpose. At greater heights, the proper protective equipment against falling must be worn.

Use only suitable lifting gear in proper working order and load suspension devices within the sufficient carrying capacity. Do not stand or work under suspended loads!

Ensure that electric motors and controller cabinets are sufficiently protected against moisture.

Use suitable workshop equipment.

Before starting maintenance work, appoint a supervisor.

Before beginning maintenance work on the system, inform the responsible personnel.

Never operate the equipment when it is partially dismantled.

Any maintenance and repair work NOT described in this manual may only be carried out by Sterling service personnel or by specialized staff authorized by Sterling.

/To ensure that it cannot be switched on unintentionally, disconnect the equipment from the main power supply before starting maintenance procedures.

Before starting maintenance work, all compressed air pipes on the equipment should be depressurized.

Maintenance 5-1

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Sterling STT40, STT70 manual Maintenance

STT40, STT70 specifications

The Sterling STT40 and STT70 are one of the most noteworthy entries in the landscape of compact, high-performance generators, designed to serve a variety of applications in both residential and commercial settings. Built with cutting-edge technology, these models exhibit durability and reliability, ensuring that power needs are met efficiently.

The Sterling STT40 is a robust 40 kW generator that is ideal for small businesses, remote sites, and residential backup power. It features a high-quality diesel engine, providing fuel efficiency along with impressive power output. The generator incorporates a fully automatic transfer switch (ATS), which ensures seamless power transition during outages. With an IP54 rating, it offers excellent protection against dust and water, making it suitable for outdoor use in diverse environments.

In contrast, the Sterling STT70 boasts a greater power output of 70 kW, making it suited for larger commercial applications or industrial uses. Similar to the STT40, the STT70 is equipped with a top-tier diesel engine that delivers optimal performance and longevity. Its heavy-duty construction allows it to operate efficiently under strenuous conditions. The STT70 also features advanced cooling systems and a sound-attenuated enclosure, which minimizes operational noise, making it a perfect choice for noise-sensitive situations.

Both models utilize innovative technologies to enhance user experience and operational efficiency. An intuitive digital control panel simplifies monitoring and management, providing real-time data on voltage, current, and frequency. This allows users to make informed decisions about power usage and maintenance needs. Additionally, remote monitoring capabilities enable owners to oversee generator performance from virtually anywhere, maximizing uptime.

Safety is another key aspect of both generator models. They are equipped with automatic shutdown features that activate in the event of low oil pressure or overheating, minimizing the risk of damage and ensuring safety during operation.

In summary, the Sterling STT40 and STT70 generators stand out in the market due to their reliability, advanced technology, and robust safety features. They are perfect for anyone seeking dependable power solutions, whether for residential, business, or industrial needs. With their combination of power efficiency and durability, they remain top contenders in the generator space.