Service Instructions

WARNING: Disconnect power before attempting any maintenance or cleaning to reduce the risk of fire, electrical shock or personal injury.

Removing Front Cover

Access to heater/fan

1.Turn off power to the unit.

2.Let fireplace cool if it has been operating.

3.Remove fixed front panel, or open doors (depend- ing on model). If the model has operable glass or mesh doors, completely remove them from the unit before proceeding. To remove the doors, locate and remove the two (2) screws holding the door at the top. (Fig. 2) Hold the door at all times with one hand to prevent the door from falling when you undo the hinge screws.

Remove Screws

Fig. 4 Remove three (3) screws located under top shelf.

5.Remove screws using appropriate screwdriver.

6.Pull out the front cover. holding both sides of the cover, pull gently towards you and down.

Front Cover

Remove Screws

Fig. 2 Remove screws holding door at top.

4.Locate the screws that hold the front cover in place. There are six (6) screws, three (3) located on the front of the unit (Fig. 3), and three (3) located underneath the top shelf of the unit. (Fig. 4)

 

Remove Screws

Fig. 3

Remove three (3) screws on front of unit.

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Fig. 5 Hold both sides and pull gently forward and down.

7.You now have access to the heater/fan unit, for cleaning and/or maintenance.

8.To reinstall the front cover, please follow reverse procedure, paying attention not to damage any wiring in the process.

Glass Information

1.Under no circumstances should this product be operated with broken glass.

2.Do not strike or slam the glass.

3.Do not use abrasive cleaners to clean the glass.

4.This product uses tempered glass. Replacement of the glass supplied by the manufacturer should be done by a qualified service person.

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CFM Corporation HEF22 installation instructions Service Instructions, Removing Front Cover, Glass Information
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HEF22 specifications

CFM Corporation has long been a leader in the aerospace industry, renowned for its innovative aircraft engines. One of its standout products is the HEF22, a high-efficiency turbofan engine that has made significant waves in both commercial and military aviation sectors. The HEF22 integrates advanced technologies designed to enhance performance, fuel efficiency, and overall operational capabilities, making it a prime choice for contemporary aircraft.

One of the key features of the HEF22 is its advanced composite materials. This innovation allows for lighter engine components without sacrificing strength or durability. The weight reduction directly contributes to improved fuel efficiency, enabling airlines to operate with lower fuel consumption and reduced carbon emissions. The use of composite materials also enhances the engine's resistance to corrosion and wear, ensuring a longer operational lifespan.

CFM Corporation's HEF22 is equipped with a state-of-the-art digital engine control system. This system optimizes performance by constantly monitoring and adjusting various parameters, ensuring that the engine operates at peak efficiency under varying conditions. The predictive maintenance capabilities of this system also play a crucial role in reducing downtime and maintenance costs, giving operators a comprehensive overview of engine health in real-time.

Another notable characteristic of the HEF22 is its noise reduction technology. The engine incorporates advanced acoustic treatments and design features that significantly lower the noise footprint, making it compliant with stringent noise regulations. This aspect is increasingly important as airports and regulatory bodies worldwide impose stricter noise limits, particularly in urban areas.

The HEF22's thrust capability is also impressive, providing the necessary power for both takeoff and sustained flight in various aircraft configurations. Its adaptability makes it suitable for a wide range of applications, from fuel-efficient regional jets to larger commercial aircraft, thereby meeting the diverse needs of the aviation market.

Additionally, the engine prides itself on a sleek aerodynamic design. This characteristic not only contributes to its aesthetic appeal but also significantly improves overall efficiency. The HEF22's engine nacelle is engineered to minimize drag, which further enhances fuel efficiency and performance.

In conclusion, the CFM Corporation HEF22 represents the pinnacle of modern turbofan engine design, boasting cutting-edge technologies and features. With its emphasis on efficiency, durability, and reduced environmental impact, the HEF22 stands as a testament to CFM Corporation's commitment to innovation and quality in the aerospace industry.
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