The engine UMZ-417: characteristics, repair

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2020-01-29 07:00:14

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Powertrain UMZ-417 is a classic motor with four inline cylinders placed. To activate the pistons used a common crankshaft. The motor is equipped with carburetor, contact distribution fuel supply and distribution fixture type OHV, which provides bottom location of the camshaft. Consider its characteristics and features.

UMP 417

Description

The Engine UMZ-417 features an aluminum cylinder head and the housing. Cast iron liners are planted in a block through o-rings made of rubber. This design applies to negative points in the engine as reduces its strength.

Consider the power unit – this is an advanced version of the UMP-4141 has a similar configuration with the engine ZMZ-402. Differences UMZ-417 from its predecessor:

  • Enhanced compression.
  • The Other type of camshaft.
  • The Presence of enlarged inlet valves.
  • Increased.

Some modifications to the engine equipped with the crankshaft 421-series, mounted without shaft seals. From ZMZ motor differ only cylinder liners, which are placed with the help of copper strips, provide additional strength of the Assembly.

Modifications

Designed several variations on this engine. The most popular among them are the following modifications:

  • UMP-417.10. This motor runs on the fuel of AI-76, mounted on «UAZ” under the index 3151.
  • Version 4175.10 – is mounted on ‘gazelles" has increased power ratings up to 98 horse power. The compression of the engine is 8.2, which is enough to use gasoline with an octane rating of 92.
  • Modification 4178.10 – is the most common model equipped with a carburetor with a pair of cameras allows to use the cylinder head from the 421-th Oise. In addition, the crankshaft this model is equipped with a seal, and additional interaction is allowed with the hydraulic servo or diaphragm clutch Assembly.

engine UMP 417

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Specifications UMZ-417

Below are the options of the technical plan of the considered powertrain:

  • Displacement – 2445 cubic centimeters.
  • Capacity – 92 “workhorses”.
  • Revving – 4000 rotations per minute.
  • Number of cylinders – 4.
  • Movement of the piston – 92 mm.
  • Compression – 8.2.
  • Oil capacity – the 5.8 L.
  • Lubrication System – a complex type (spray plus pressure).
  • Fuel Consumption – 10.6 l/100 km in mixed mode.
  • Cooling & ndash; liquid unit forced type closed with ventilation.
  • Weight – 166 kg.
  • Operating life – 150 thousand kilometers.

Maintenance and fault

The Engine UMZ-417 simple prevention and maintenance. Requires periodic replacement of engine oil (every 10 thousand km) and adjustment of thermal backlashes in valves timing (after 15 thousand km).

repair UMP 417

Possible malfunctions of the motor is shown below:

  • Noises extraneous character or knocking during operation of the power plant. it can affect unbalanced valve clearances timing, the deformation of the connecting rod liners, camshaft problems in the node.
  • Noticeable vibration when starting and working motor. Among the reasons: an imbalance of the connecting rod-crank unit, improper adjustment of the carburetor, a failure in the system contact plugs.
  • Overheating of the motor. This may be due to the failure of the thermostat, the appearance of atmospheric tube in the cooling circuit or malfunction of water pump.

Modernization

Carbureted engines UAZ UMZ-417 often undergo changes, which is aimed at improving the capacity of the unit. One way is to replace an existing node in the injector system. The cost of such alterations is not always justified, since it is easier to buy a new engine with distributed injection.

UAZ UMP 417

Among the other methods of upgrading the reporting engine note such factors as:

  • Conducting a balancing of the cylinder of the node.
  • By milling the cylinder head up to 95 mm, increases the compression to a value of 9.2.
  • Change the existing regular camshaft on equivalent uskorennyi profile.
  • Making a groove outlet moves up to 39 mm with the installation of suitable valve timing.
  • Install the exhaust manifold with the 421 model.
  • Replacement exhaust pipe version with a diameter of 51 mm.

These manipulations will increase the power plant up to 100 horse power.

Repair UMZ-417

Consider the Fix of the motor is divided into current and capital repairs. In the first case is the restoration of the health of the individual parts or their replacement. The capital portion provides for full recovery of the motor values to the nominal by a full bulkhead installed. This will require disassembly of the motor.

The Reasons for the overhaul of the engine UMZ-417:

  • Significant reduction of engine power.
  • The Reduction of oil in the lubrication circuit.
  • Significant increase in oil consumption (from 450 grams per 100km).
  • The Smoke of the power unit.
  • The Increase in fuel consumption.
  • Noises and sounds while working, and also decrease the compression ratio.

Summary

Conducting repair work with the motor, you must follow certain rules. During disassembly of the power unit it is necessary to check each item for wear and the possibility of its further operation.

features UMP 417

Restore the working life of the engine by complete or partial replacement of worn parts or resuscitation if it is rational. Often replacement are the connecting rod and crankshaft bearings camshaft, valve seats, bushings and other the active part.

Performing repairs need to be mindful of regulatory gaps and the tension of the timing belt. The deterioration of these indicators leads to disruption of the interaction of moving parts, poor lubrication. This leads to accelerated wear of the elements. Don't forget to put labels in places further installation of usable parts.

It is Worth noting that reducing the control size also unacceptable, because it leads to deterioration in heat transfer to pistons and bushings. This leads to excessive overheating. Before starting work the power unit UMZ-417 should be cleaned of dirt and wash. The process is preferably carried out on the swivel stand.


Article in other languages:

AR: https://tostpost.com/ar/cars/20864-umz-417.html

BE: https://tostpost.com/be/a-tamab-l/38468-ruhav-k-umz-417-haraktarystyk-ramont.html

DE: https://tostpost.com/de/autos/38056-motor-umz-417-eigenschaften-reparaturen.html

ES: https://tostpost.com/es/coches/37822-el-motor-umz-417-caracter-sticas-reparaci-n-de.html

HI: https://tostpost.com/hi/cars/22509-umz-417.html

JA: https://tostpost.com/ja/cars/20499-umz-417.html

KK: https://tostpost.com/kk/avtomobil-der/38865-dvigatel-umz-417-sipattamalary-zh-ndeu.html

PL: https://tostpost.com/pl/samochody/40465-silnik-ump-417-techniczne-naprawy.html

PT: https://tostpost.com/pt/carros/40112-motor-umz-417-caracter-sticas-repara-o.html

TR: https://tostpost.com/tr/arabalar/35331-motor-ump-417-zellikler-onar-m.html

UK: https://tostpost.com/uk/avtomob-l/39263-dvigun-umz-417-harakteristiki-remont.html

ZH: https://tostpost.com/zh/cars/30834-umz-417.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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