3.8.2. Cleaning

Remove the deposit formed on the bottom of the piston and in flutes of piston rings, and from lubricant channels of the piston and a rod remove all deposits.
Carefully check whether is not present on details of damages. Cracks of any character on the piston, piston rings, a finger, a rod and a cover are inadmissible and demand replacement of details. If on a working surface of inserts deep risks, or they are too worn-out, replace inserts new.