The ZMZ-4062 engine does not have the usual idle system, like in a carburetor.
Before assembly, each crankshaft must be checked on a magnetic or ultrasonic flaw detector for the absence of micro and macro cracks; as well as the compliance of the selected set of main bearing shells with the size of the main journals
The spring-hydraulic type tensioner is removed for replacement in case of failure, as well as when replacing parts of the gas distribution mechanism drive and cylinder head
To replace the sleeves, you need to use a puller or make it in accordance with the picture
Cylinder head common to four cylinders, cast aluminum alloy, with tent-shaped combustion chambers