Rotor Housing, Rotary Engine

Before cleaning, check for traces of gas or water leakage along the inner margin of each side face of the rotor housing.
1. Remove all carbon from the inner surface of the rotor housing by wiping with cloth. Soak the cloth in a solution of ketone or thinner if it is difficult to remove the carbon.
2. Remove all deposits and rust from the cooling water passages on the housing.
3. Remove the sealing agent by wiping with a cloth or brush soaked in a solution of ketone or thinner.