Unscrew the plug and screw the KM 232 adapter with a pressure gauge into the hole (see photo).

With the vehicle stopped and the engine running, check the oil pressure, the value of which should correspond to that specified in the subsection "Design and technical characteristics".
After checking, remove the pressure gauge and adapter and tighten the plug.
Gearbox oil level:
1 — oil level when the gearbox is cold;
2 — oil level when the gearbox is hot;
3 - open position of the valve;
4 - valve closed position;
5 — valve.
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