Brand: Junxun

The A55001-22 Lock Equipment – Horizontal Stabilizer is a specialized Boeing aircraft maintenance tool designed to secure the horizontal stabilizer during maintenance procedures. Boeing tooling references identify A55001-22 as “Lock Equipment, Horizontal Stabilizer,” and the tool is listed for Boeing 767 aircraft.

The equipment is specifically designed to secure the horizontal stabilizer during removal or installation of the stabilizer trim actuator. Its adjustable turnbuckle arrangement allows fine length adjustment and can be used with the stabilizer in different positions. A built-in fuse and fuse handle are designed to help protect the aircraft structure if power is inadvertently applied to the stabilizer trim actuator while the lock equipment is installed.

Key Points
Horizontal Stabilizer Lock Equipment – Provides secure stabilization during maintenance operations.
Trim Actuator Maintenance Support – Designed for horizontal stabilizer trim actuator removal and installation procedures.
Adjustable Turnbuckle Design – Allows fine adjustment to accommodate different stabilizer positions.
Built-In Safety Protection – Incorporates a fuse arrangement intended to help prevent structural damage from inadvertent actuator operation.
Boeing 767 Application – Aviation tooling databases identify the A55001-22 as applicable to the Boeing 767.
Application

The A55001-22 Lock Equipment is mainly used for:

Boeing 767 horizontal stabilizer maintenance
Horizontal stabilizer trim actuator removal and installation
Stabilizer positioning and securing
Flight-control system maintenance
Aircraft heavy maintenance and MRO operations.