In the field of aviation engine maintenance, precision tooling is essential for ensuring safety, quality, and operational efficiency. The 856A2977G02 is a specialized Assembly/Disassembly Fixture designed specifically for Low Pressure Turbine (LPT) rotor and stator components. It is a critical piece of ground support equipment (GSE) widely used in MRO (Maintenance, Repair, and Overhaul) workshops for CFM56 series engines.

Product Overview

Part Number: 856A2977G02

Product Name: LPT Rotor/Stator Assembly/Disassembly Fixture

Manufacturer: Junxun Aviation provided high-quality version.

Applicable Engines: Primarily designed for CFM56-3, CFM56-5B, and CFM56-7B series engines, commonly installed on Boeing 737 Classic and 737NG aircraft families.

Constructed from high-strength aerospace-grade alloys, this fixture features a robust and highly precise design capable of withstanding the complex mechanical stresses encountered during LPT module disassembly and reassembly.

P/N: 856A2977G02

Key Functions and Design Features

Precise Alignment and Centering

The fixture incorporates multiple alignment guides and locating points to ensure perfect concentricity and axial positioning between the LPT rotor and stator, minimizing the risk of accidental contact or damage to critical components.

Secure Holding and Support

It provides stable fixation of the rotor assembly to prevent unwanted rotation or movement, while offering reliable support for the stator, significantly enhancing operational safety during maintenance.

Modular Compatibility

Designed to work seamlessly with complementary tools (such as the 856A2978G01 handling fixture and overhead lifting equipment), enabling efficient module transportation, disassembly, and precision reassembly.

Durability and Maintainability

The fixture undergoes specialized anti-corrosion treatment, making it highly resistant to the demanding workshop environment and ensuring long-term dimensional stability and performance.

P/N: 856A2977G02

Primary Applications in Engine Maintenance

The LPT module is one of the most critical sections of the CFM56 engine. The 856A2977G02 plays a vital role in high-precision, high-risk procedures, including:

Disassembly and reassembly of LPT rotor and stator assemblies;

Blade inspection, replacement, and balancing operations;

Installation and removal of bearings, seals, and associated components;

Secure positioning during complete LPT module maintenance and testing.

P/N: 856A2977G02

Why Professional Tooling Matters

Aviation engine components are extremely valuable. Even minor misalignment or accidental contact can result in costly damage amounting to tens of thousands of dollars. The 856A2977G02 combines engineering excellence with practical functionality, delivering precision, safety, and efficiency — qualities that have made it a trusted choice for major airlines and MRO facilities worldwide.

As global aviation continues its strong recovery and engine maintenance demand grows, high-quality specialized GSE tools are becoming increasingly important for competitiveness and reliability. 

Shanghai Junxun Aviation (Junxun Aviation), a professional Chinese manufacturer and supplier, offers the 856A2977G02 and related tooling with comprehensive support services, including customization options and leasing programs — contributing reliable solutions to the global aviation maintenance market.

Shanghai Junxun Aviation Technology Company always keep the idea that "Quality is Our Life", committed to providing professional products and excellent services to the global aviation industry.

As the global aviation industry continues to grow, Shanghai Junxun Aviation will persist in its commitment to innovation and quality, providing more international customers with high-quality products and services.