Tmp Gearbox Workshop Manual Top -

The gearbox is typically attached to the engine bell housing by internal nuts. You must remove the gearbox and bell housing as a single unit.

During disassembly, pay close attention to the following high-wear areas:

Most TMP 12000 units are designed for right-hand rotation engines. Note that direct-drive models turn the propeller in the same direction as the engine, while reduction boxes may vary based on the number of pinions used. Critical Maintenance and Assembly Components

Since the bell housing often carries the rear engine mounts, ensure the engine is properly supported before unbolting.