The proper "óleo" piece of the manual will state 4-stroke engine oil, SAE 10W-30, 0.6L capacity .

Designed specifically for 110BYG and 130BYG series three-phase hybrid stepper motors.

Built-in over-current, over-voltage, and overheating self-protection DIP Switch Configuration (Standard Settings)

O óleo no sistema não serve apenas para lubrificar; ele tem múltiplas funções: