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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
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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
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Assembling the engine of the car GAZ-66, GAZ-53
To assemble the engine, as well as to disassemble it, the engine cylinder block assembled with the clutch housing is fixed on a stand (see Fig. 1)
Before assembly, all engine parts are selected according to size, thoroughly washed, blown with compressed air and wiped with clean napkins
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Dimensions of openings and mating parts of VAZ vehicles for a tinsmith
The geometry of the repaired body is determined:
- - the size of the gaps on the doors, hood and trunk lid;
- - installation angles of the steered wheels;
- - relative position of suspensions, bridges.
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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.
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How to adjust valve clearances Kamaz
The clearance in the valve mechanism must ensure a tight fit of the valve to the seat when the rod elongates due to heating and in the event of the head settling in the seat due to wear of the chamfers
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Maintenance of the K-151 carburetor
Carburetor K-151V (Fig. 1) - vertical, emulsion, two-chamber, with a falling mixture flow and sequential opening of the throttle valves
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Removal and installation of the cylinder head of the 2.0 liter engine. - G4KD and 2.4 liters. – G4KE
- - it is not necessary to remove the engine to remove the cylinder head
- - to prevent damage to the paintwork of the wings of the body, it is necessary to use a special coating
- - to prevent damage to the cylinder head, before removing it, you must wait until the engine cools down
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Assembly of the cylinder block of the G4KD and G4KE engine
Cylinder block
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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
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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
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