Valve GAS-53: control. Trucks

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2018-04-01 05:07:14

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In the 60-ies of the last century at the Gorky automobile plant started production of a series of medium-duty trucks. One of these was the GAZ-53. Let's find out its specifications and also talk about adjusting valves.

Trucks from 52, 53 and 66 series was a line of these wagons for use in the national economy. They provided transportation in industry, and has been successfully applied in agriculture.

History model

In 1964, introduced the basic model of the GAZ-53. She was already equipped with a unit map with an index of 58. It was a GAZ-53 (diesel) power 115 HP Maximum speed, which gave this motor was 85 km/h. However, the model produced only one year.GAS valve adjustment 53

In 1965 flatbed 53A. The engineers managed to increase the load capacity of the model to four tons. In 1966 he published a modification for military purposes. Ignition GAZ-53 has already occurred due to sparking.

Production curtailed in 1982, but only produced about 4 million copies.

Interior and exterior design

The Appearance of the 53rd was very modern. Designers made lining more solid. This has particularly affected the radiator grille. Petrol tank placed under the driver's seat. The tank inlet was located from driver door, behind the cab. It helped later, when they began to translate these cars on LPG. Most often, the body of the GAZ-53 was side and insulated.

The Launch was carried out from the electric starter with a retractor relay. The cabin was equipped with an excellent heater and stereotactically. The seats were made in the form of a sofa. But to sit on it comfortably even in winter.

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Carburetor GAZ-53

The Truck is equipped with a carburetor emulsion dual-chamber type. It also implemented the simultaneous opening of the throttle valves with the possibility of a balanced float chamber.

This carb has the index K-135. From past modifications the model has some adjustments. If you do not configure the settings on engines with normal cylinder heads to use it will not work.box GAZ 53

Carburetor GAZ-53 operates as follows. The left chamber is responsible for cylinders 5,6,7,8. Delivers the right fuel in the cylinders 1,2,3,4.

Drivetrain

The Engine works with a four-speed gearbox. It was equipped with four front gears and one rear. Box GAZ-53 worked fine even in hard conditions.ignition GAS 53

The transmission System is built according to the standard scheme. Rear-wheel drive. As used classic clutch single-plate dry clutch. Driveshaft and driveline mechanism is also implemented according to the classical scheme.

I must say that the box the GAZ-53 involves the installation of “transfer case”. It will provide the PTO.

The Engine

As the power units used ZMZ-53. The diesel eight-cylinder engine. He had the head and block of cylinders from aluminium. Distributors and ignition coil on this motor often failed. Before needing to overhaul the machine passed about 400 thousand. Economical engine could not be called. Drivers often also complained about valve GAS-53. Adjusting them was commonplace.carburetor GAZ 53

As the carb used a two-compartment model to correct high fuel consumption.

Soviet Suspension truck

Medium-duty truck GAZ-53 was powered by a spring dependent suspension system. The machine is equipped with front telescopic shock absorbers. To drive is difficult, because power is not provided.

In order to switch the speed, it was necessary to do a double cutoffs of coupling. Driveline consisted of two shafts. Despite the many disadvantages of the construction, repairs GAZ-53 was not too difficult as parts are readily available. Among other problems with the machine had problems with the valves. We will tell about them right now.

About the independent adjustment of the valves

To use any engine, you must have at least two valves for each cylinder. Today used the disc elements. By car GAZ-53 the exhaust valve is made of high quality steel. It has a hollow structure. The intake is also made from high-quality steel. To the head is better cooled, the element body flooded with metallic sodium. To improve the heat resistance, the seat insert the exhaust valve cladding is made of special alloy. The rods have a special groove at the breadcrumbs. They connect the valve plate and springs.GAS diesel 53

In order to provide better filling of the cylinder fuel mixture, a plate on the exhaust valve has a larger diameter than the exhaust.

When the car GAZ-53 diesel is started and used, these parts are subjected to very serious stress.

Principle of operation

Before considering the adjustment of the valves, you need to know how they work. Everyone knows that the main challenge now facing these details - the implementation of the exhaust and intake. This gas exchange.

First, through the inlet valvethe cylinder is fed fuel mixture, then the combustion products exit through the exhaust element. Closing and opening them is performed by means of the camshaft. To valve after opening could go back to his place, there is a special spring. It is very important in this design. When the valve is closed, the spring seals the hole.

The Valve GAZ-53 – adjustment and the need for gaps

So, this element has a rod and a plate. When the engine heats up to its operating temperature, the rod heats up and elongates. So to compensate for this elongation, the designers provide special technological gaps between the camshaft lobe and the core.

This gap can be measured in the idle mode. When the unit is already hot, it will shrink or disappear altogether. The rod elongates due to heating. This so-called thermal gaps.

When to regulate?

How often you need to adjust the valve GAZ-53? Adjustment is needed when you hear a noise. It is created due to the knock rockers and Cams. The gaps should be possible to fully conform to the standards of the manufacturer of the engine. But you should not focus only on the noise. If there has been wear of the valve, then failure would be not only valve, but also a rocker, and with it the Cam.

How to adjust the valves?

This procedure will not pose any difficulties. First you need to figure out which order is setup. Need to adjust according to certain criteria. For example, if decreased engine power, increased fuel consumption, appeared extraneous sounds from the carb and exhaust.repair of GAS 53

The adjustment is made using very simple methods. If you use the first, then the piston in the first cylinder must be set at top dead center. On the pulley there is a special timing mark. The cylinder valves are closed. Need to figure out what kind of clearance. It may range from perfect to very large. Every driver knows your personal ideal gap for a particular engine.ignition GAS 53

To adjust using a screwdriver, hold the adjusting screw in the first valve, and then weaken the lock nut. Next, you should invest in test gap probe according to the required size, and the screw is required to turn until then, until it is clamped between the rocker arm and valve stem. The valve is adjusted. This procedure is performed on the second element. Further, to adjust the valves on the remaining cylinders, you need to hold the rotation of the pulley another 90 degrees. Adjustment repeated in the fourth cylinder. The order of operations in the cylinders will be the next: 2 - 6 - 3 - 7 - 8.truck GAZ 53

If we talk about the second method, it is very similar to the first, however the order is slightly different. So configured, the intake valves 1, 3, 7, 8 of the cylinders and then exhaust 1, 2, 4, 5. Rest can also be adjusted if you turn the crankshaft 360 degrees. This can be considered a closed question "how to set valve GAS-53". Adjusting them is not very difficult, and time is not particularly long.

In conclusion

As you can see, the valves and the principles of their settings are no different from cars. The operation is very simple, does not require too much time. The driver need only knowledge of the locations of host data and little experience. Will also need a basic set of tools for customization.

With variable valve control handle even a novice driver and thus it will be possible to save on service station.

So, we found a technical device and rules for the regulation of valves of medium-tonnage trucks GAZ-53.


Article in other languages:

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BE: https://tostpost.com/be/a-tamab-l/4597-klapana-gaz-53-regulyavanne-gruzavyya-a-tamab-l.html

DE: https://tostpost.com/de/autos/4595-ventil-gaz-53-einstellungen-lkw.html

ES: https://tostpost.com/es/coches/4600-la-v-lvula-de-gas-53-ajuste-camiones.html

HI: https://tostpost.com/hi/cars/2598-53.html

JA: https://tostpost.com/ja/cars/2597-53.html

KK: https://tostpost.com/kk/avtomobil-der/4598-klapan-gaz-53-retteu-zh-k-avtomobil-der.html

PL: https://tostpost.com/pl/samochody/4600-zaworu-gaz-53-regulacja-samochody-ci-arowe.html

PT: https://tostpost.com/pt/carros/4597-v-lvula-de-g-s-53-ajuste-caminh-es.html

TR: https://tostpost.com/tr/arabalar/4603-vana-gaz-53-ayarlanmas-kamyonlar.html

UK: https://tostpost.com/uk/avtomob-l/4600-klapana-gaz-53-regulyuvannya-vantazhn-avtomob-l.html

ZH: https://tostpost.com/zh/cars/2781-53.html






Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."

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