
Steering – with mechanical linkage, without amplifier. Steering mechanism - "globoidal worm - double-ridge roller", gear ratio - 16.4

Disassembly of the gearbox shafts is necessary to replace shaft parts.
Removing the gearbox is discussed in the article - “Removing the gearbox”
Disassembling the gearbox is discussed in the article - “Gearbox Repair”