![](/images/stories/kamaz/akaz/180-fit-200x160.jpg)
Gas distribution mechanism Kamaz
The gas distribution mechanism controls the timely intake of air charge into the cylinders and the removal of exhaust gases from them; consists of valves with springs, a camshaft with gears and parts that transmit movement from the shaft to the valves
![](/images/stories/maz/amaz/ogol98.jpg)
Continuation of article 2 assembly of the YaMZ-236/238 diesel engine
Installing cylinder heads, valve rocker arms and adjusting valve clearances
The cylinder head mounting studs are screwed into the right and left rows of the cylinder block, having previously lubricated the threaded holes for the studs in the block with diesel oil
![](/images/stories/kamaz/akaz/tor12-fit-200x115.jpg)
Malfunctions of the pneumatic actuator of the KamAZ brakes
Malfunctions of pneumatic drive power supplies
When servicing the pneumatic drive of the car brakes, you must first of all make sure that the system is tight
![](/images/stories/gazel/agez/ngbc1011.jpg)
Cylinder head ZMZ-402 GAZ-2705
The cylinder head can be removed with the intake pipe and exhaust manifold. If the cylinder head is removed from an engine installed on a car, you must first perform the following operations:
- - drain the liquid from the cooling system;
![](/images/stories/dvig/asys/grg181.jpg)
Timing drive in a 2.0 liter engine. - G4KD and 2.4 liters. – G4KE
Checking the technical condition of timing parts
Sprockets, hydraulic tensioner, chain guide and tensioner arm
![](/images/stories/dvig/asys/yamz-2381.jpg)
Main parameters and characteristics of YaMZ-238 engines
Power units are designed for operation at ambient temperatures from minus 60ºС to plus 50ºС, relative humidity up to 98% at a temperature of 25ºС, air dust content up to 0.4 g / m 3, as well as for movement car in mountainous conditions at an altitude of up to 4500 m above sea level and overcoming passes up to 4650 m above sea level with a corresponding decrease in power and economic indicators.
![](/images/stories/maz/amaz/vd326_1-fit-200x159.jpg)
Features of the YaMZ-236/238M2 diesel engine
The YaMZ-236M2 and YaMZ-238M2 engines are six- and eight-cylinder models of the family of four-stroke diesel engines of Avtodizel OJSC
![](/images/stories/dvig/asys/pts241.jpg)
Assembly of the cylinder block of the G4KD and G4KE engine
Cylinder block
Diesel timing gear D4EA
Checking the technical condition of the timing drive
Remove the top cover.
Check the timing belt (A) for damage, oil or coolant ingress
![](/images/stories/kamaz/akaz/dizv6-fit-200x166.jpg)
Characteristics of engines KAMAZ-740.50-360, KAMAZ-740.51-320
Engines KAMA3-740.50-360, KAMA3-740.51-320, designed for installation on single vehicles and truck tractors used as part of road trains, supplied to the domestic market and for export to countries with a temperate and tropical climate, as well as supplied to spare parts
![](/images/stories/maz/amaz/scepl110.jpg)
Operation of the YaMZ-238 double-disk clutch
The clutch of the YaMZ-238 model is double-disc, dry, friction type, with a peripheral arrangement of cylindrical springs
Page 1 of 3