FRONT HUB BEARING MTZ-80

The front wheels carry less load than the rear wheels.

It is advisable to dismantle large bearings using Skf hydraulic nuts.

Secure the outer joint in a vice.

Some tractors use elastic pneumatic tires. If the tightening is weak, cracks form in the holes, the threads of the bolts become wrinkled, this disables the disk and bolts.

Then turn all the parts so that the ball located next to it takes the same position, and remove it from the separator. When installing spacers in the rear wheel hub of a MTZ, MTZ tractor, a bolt is pressed in, the length of which is 35 mm longer than the usual one.

The position of the adapter sleeve should be marked so that it can be restored during re-installation. Using these techniques, remove the remaining balls. The front axle of the MTZ tractor consists of a tubular casing 9 fig.

You cannot use a drift for this purpose, as in this case it is easy to damage the bearing or adapter sleeve. Rotating axle MTZ-50 and MTZ-80. What is the difference?

Bearings (replacement).

The hub of the rear wheels of the MTZ tractor, MTZ is fixed to the protruding end of the axle shaft of the rear axle final drive using a key, a liner and four bolts. The retractable axle shaft of some tractors has a number of holes located at 50 mm intervals. Using these holes, the axle shaft is installed in the front axle.

The wheels of the car are positioned so that the distance between the tires in front, size A, is slightly smaller than in the rear, size B. The clamp clamp can be replaced with a screw clamp.

Tractors are equipped with disc wheels with pneumatic tires.

Before checking the convergence, be sure to check and, if necessary, adjust the clearances in the wheel bearings and steering rod joints.

The front wheels carry less load than the rear wheels. The retractable axle shaft of some tractors has a number of holes located at 50 mm intervals.

Then press the shaft against the cage so that the alignment of the ring relative to the shaft and cage is maintained. First you need to jack up the rear part of the tractor until the wheels lift off the ground and loosen the bolts securing the liner to the wheel hub.

Checking the tightness of the threaded connections of the wheel fastenings The operation of checking the tightening of the threaded connections of the wheel fastenings is carried out once with the first ETO after hours of operation performed by the consumer and then after every hour of operation of the tractor. In the case when it is not possible to tighten it by the inner ring mounted on the shaft with interference, you can also tighten it by the outer ring. Repair of pvm MTZ 82 part 1

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In combination with tilting the bracket in the opposite direction, camber makes steering easier because the shoulder when turning the wheel is reduced.

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The pivot pin is mainly subject to wear at the bushing seats. Such rollers are ideal for discharge and set the mood. In this section, every driver will find what he likes.

Product description

On the splines of the upper end of the trunnion shaft 1, a rotary lever 12 splined lever of the control mechanism is put on and secured with a nut.
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Where is true master, turn a terrible machine into an excellent vehicle for movement. Remove spring 7, cover 3, gasket 4 and washer 2 from hub 5. In order for the guide wheels to more accurately maintain the straight-line movement of the tractor, turn easier and not slip, they are not placed exactly vertically, but with a slight inclination. Review of new cars, as well as news of the automotive world. Rotating axle MTZ-50 and MTZ-80. What is the difference?

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Set of gearbox bearings MTZ-80, MTZ-82

When assembling a lever with a stretcher, reinstall the removed adjusting washers so that the chamfers on them face toward the thrust end of the stretcher. When dismantling medium and large bearings, it is advisable to use the Skf method of supplying oil under pressure between the shaft journal and the bearing bore.

After assembly, make sure that the cage assembly with the separator and balls moves freely along the entire length of the housing grooves by hand; otherwise, identify the cause of the jamming and, if the parts are damaged, replace the hinge assembly.

Using a screwdriver made of soft material, press the ball out of the separator. If the result goes beyond 6-12 mm, the convergence is adjusted by increasing or decreasing the length of the transverse rods.

Remove the cage from the separator by placing one of the clip protrusions in the elongated window of the separator and rolling out the clip. To make tire inflation easier, use a special device to inflate them with air from the engine. First, remove the outer ring with rollers and separator. Do not allow dirt and soil to get inside the tire.

Screw the nuts onto all the bolts by hand and tighten them first with the wheel jacked up. This will make it easier to press in the hinges and protect them from damage. It is convenient to dismantle the inner rings of roller bearings without beads using heat. As a result of the adhesion of the drive wheels to the ground, their rotational motion is converted into forward motion of the tractor. The latter contains a worm 2, the turns of which fit into the slots of the axle shaft. Strike sharply the end of the wheel drive shaft. To press out the rear extension hinge, use screwdriver-type mandrels, and for pressing in, use a stepped tubular mandrel with a diameter of 42 and 45 mm. Remove the cage from the separator by placing one of the clip protrusions in the elongated window of the separator and rolling out the clip.

If the result goes beyond 6-12 mm, the convergence is adjusted by increasing or decreasing the length of the transverse rods. Tighten the nut to a torque from to Nm; — install the steering rod. With wheel camber and a certain tilt of the axle axis in the opposite direction, control becomes easier, since the r-lever decreases when turning the wheel.

A rubber buffer installed in the lower part of the steering axle reduces the force of shocks that occur when spring 5 is fully compressed. Before tightening the extension nuts, install the lever assembly with the extension on a special device; applying force to the stretcher, set a distance of 10 mm between the axis of the lever and the center of the stretcher and fix the stretcher. MTZ-80 Repair. Assembling the bridge. Part No. 3

Repair of MTZ 80 axle

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A pivot pin 6, bearings 1, 10, a cage 9. The spring suspension of each front wheel of the MTZ tractor consists of cylindrical springs 8 and additional disc springs 2.

The wheels are installed so that their front part is closer to the rear: wheel convergence is formed. Also do not forget about the lifehacks for drivers, and various secrets that can help either repair the vehicle or prevent breakage.

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Toe-in reduces slipping of the front wheels when the tractor moves, and consequently, tire wear. Even seemingly unsuitable for racing conditions machine manage to participate in street racing. In this section, every driver will find what he likes. Edoumou place videos in this theme take a variety of automotive news. However, here you can find videos from official races. Specifications still You can't hide. pressing the trunnion bushing #mtz80

Read additionally: Diagram of the old-style MTZ-80 gearbox

Catalogs, spare parts, bearings, belts and more...

On some universal row-crop tractors, the rear wheel disks are bolted to the shaft flange 15 and brackets. To lubricate the steering axle bushings of the front axle of the front axle, do the following: - clean the two oil nipples located on the steering axle housings from dirt and dried grease; - using a syringe, apply 10 to 12 pumps of grease, using grease nipples, one grease nipple for each axle.

Installing a stand under the front axle MTZ 1 - front axle; 2 — stand Fig. The camber angle is the angle between the vertical plane and the plane of the front wheel inclined outward.

The tire tread has lugs to improve the tire's grip on the ground.

Transport Repair of the front wheel hub of the MTZ tractor 80 page. The difference in distances between two measurements determines the required amount of toe-in, which should be mm.

We recommend: Pd 10

To make tire inflation easier, use a special device to inflate them with air from the engine. By rotating the worm, you can move the drive wheel on the axle shaft and get the track you need for work. Remove the cage from the separator by placing one of the clip protrusions in the elongated window of the separator and rolling out the clip. Using a screwdriver made of soft material, press the ball out of the separator.

Additional costs are caused by the design and technological features of the means of production and their constantly changing characteristics. The front and rear axles absorb the loads acting between the supporting surface and the frame.

Front guide wheels. Front wheel hubs

This is a device that converts the work of the engine into the work of moving the machine. The cams are welded to retractable axle shafts, which are placed in the casing housing 9 of the front axle.

Additional costs are caused by the design and technological features of the means of production and their constantly changing characteristics. By rotating the worm with a wrench, you can move the hub together with the wheel relative to the axle shaft and continuously obtain the track required for work. A rotating axle is placed in its bushings. Rotary levers 7 of the steering control are installed on the upper ends of the rotary axles on splines. If the result goes beyond 6-12 mm, the convergence is adjusted by increasing or decreasing the length of the transverse rods. Onboard MTZ repair

5.1. Front axle. Malfunctions and methods of elimination.

The gap in the steering rod ball joint and wheel runout when moving in a straight line indicate wear on the working surfaces of the joint. The rotary lever is compressed from the conical surface of the ball pin with a special puller (Fig. 2.4.1). The pin is replaced when the ball surface is worn to a size of less than 31.8 mm, and the liners are replaced when the hole surface is worn to a size of more than 32.4 mm.

Rice. 2.4.1. Pressing out the steering rod ball pin from the swing arm: 1 - ball pin; 2 — rotary lever; 3 - special puller.

Sharp jolts and impacts transmitted to the semi-frame when driving over uneven surfaces are the result of breakage or loss of elasticity of the suspension springs. To replace the springs, place the front axle on a stand (Fig. 2.4.2), compress the steering arm, remove the axle and unscrew the bolts securing the lower bushing of the steering axle (Fig. 2.4.3).

Rice. 2.4.2. Hanging the front axle: 1 - axle; 2 — front stand.

Rice. 2.4.3. Removing the lower bushing of the steering axle: 1 - lower bushing; 2 - rotary axle.

Creaking and beating of the wheel indicate wear or destruction of the hub bearings, or loosening of the tapered bearing nuts. If external inspection fails to identify the cause of the malfunction, then measure the axial clearance in the hub bearings (Fig. 2.4.4).

Rice. 2.4.4. Measuring the axial clearance of the front wheel hub.

If the axial clearance is more than 0.5 mm, it is adjusted. To do this, unscrew the castle nut, tighten it until it stops and turn it back to one edge (20 - 30°). After adjustment, the wheel should turn freely without jamming due to hand force. If the wheel sticks or rotates unevenly, the hub is disassembled. When adjusting the bearing clearance, it may be discovered that the castle nut is loose; in this case, check the condition of the tapered bearings. Unscrew the nut, remove the washer (Fig. 2.4.5) and compress the hub with a special puller (Fig. 2.4.6).

Rice. 2.4.5. Removing the front wheel hub mounting washer: 1 - hub; 2 - axle; 3 - washer.

Rice. 2.4.6. Pressing the front wheel hub: 1 - hub; 2 - axle; 3 - two-jaw puller.

During the inspection process, the hubs move the bearing races in the axial direction and try to rotate them in their seats. If chips or breakages are detected, in case of axial movement or rotation of the races in the seats, the bearings are replaced. The relative position of the parts of the front axle and the idler wheel, as well as some operations of disassembling and assembling the hub are shown in Fig. 2.4.7 - 2.4.13.