We will introduce some high-precision tools and critical components, designed to support engine maintenance and inspection with maximum efficiency and reliability. This collection addresses key needs in ventilation systems, fan blade operations, and bearing support, ensuring top-level performance for your engineering teams.

Key Tools for Center Vent Tube and Bearing Maintenance
The integrity of the center vent tube and associated bearings is vital for optimal engine performance. Our tools are designed to streamline these maintenance processes:

856A3480G01 & 856A3480G02 – Checking Rings for Center Vent Tube Inner Supports
These precision rings allow technicians to accurately check the alignment and fit of inner supports, ensuring structural integrity during inspection.

P/N: 856A3480G01

P/N: 856A3480G02

856A3486G01 – Tool Assembly for Center Vent Tube Seal
This assembly provides reliable handling and sealing of the center vent tube, reducing the risk of leaks and improving maintenance accuracy.

P/N：856A3486G01

856A3491G03 / 856A3492G05 / 856A3492G06 – Counter Wrenches for No. 5 Bearing Support Nipple
Designed for precise torque application and counter-torque support, these wrenches enable safe and efficient adjustment of the No. 5 bearing support nipple line.

P/N：856A3491G03

P/N：856A3492G05

P/N：856A3492G06

856A3492G07 – Mapping Software for Fan, Booster, and LPT Blades
This specialized software assists engineers in mapping blade profiles, ensuring optimal aerodynamic performance and predictive maintenance planning.

P/N：856A3492G07

Supporting Tools for Fan Blade and AGB Maintenance

 – Adapter-Puller for Fan Blade Spacer
Facilitates the safe removal and installation of fan blade spacers, minimizing the risk of damage during maintenance.

P/N:856A3500G01

856A3509G01 – Designation Adapter Locking for AGB
Ensures precise alignment and secure locking of the accessory gearbox (AGB) components during assembly or inspection.

P/N:856A3509G01

Why Junxun Tools?
Our tools are engineered to meet the highest industry standards, providing:

• Accurate alignment and torque measurements 
• Enhanced safety during complex maintenance procedures 
• Reduced maintenance downtime for MRO operations

We commit to providing innovative, reliable solutions for engine maintenance and inspection worldwide. With these precision tools and components, your team can achieve faster turnaround, improved safety, and consistent operational excellence.

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.