Remove the cylinder head cover (see "Adjustment of thermal clearances in the engine valve mechanism")

The ZMZ-4062 engine does not have the usual idle system, like in a carburetor.

You will need: micrometer, caliper, ruler

Pre-soak the soot with kerosene. Mechanical cleaning of soot is possible

When the ignition is switched on, the indicator lamp lights up (for 0.5 s) and goes out if the self-diagnosis system has not detected a malfunction

High pressure fuel pump

High pressure fuel pump model 4UTNI-T-1111005-50

Installed on diesel D-245

K-151, K-151D carburetors are installed on engines of model 402 and 4021.

The K-151 carburetor (Fig. 1) consists of three main detachable parts connected through sealing gaskets with screws

Let's take a closer look at removing and installing the 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

Lapping valves ZMZ-402 step by step with illustrations

We take a 22 socket wrench or a suitable piece of pipe

If there are signs of oil leakage through the crankshaft seals, first check if the crankcase ventilation system is clogged and if its hoses are pinched, repair if necessary