Engine lubrication system (Fig. 1) mixed under pressure and splash
The electric starting system includes batteries, a starter, a battery battery disconnect switch, a switch-key for instruments and a starter, an electric torch device (ETD), a vapor-liquid heater (VSH), and intermediate relays
To perform repairs, remove the starter from the engine by unscrewing the clamp bolts
Disassemble the starter in the following order:
The switch type VK 860B is designed to connect the storage batteries to the vehicle ground and disconnect them
The design of the switch is shown in Fig. 1.
The electric torch heating device (ETH) serves to facilitate engine starting at ambient temperatures below -5˚С to -25˚С.
The electrical circuit of the starting heater is shown in Fig. 1
When the handle of the switch 8 is turned to position 1, the electric motor 5 of the pumping unit and the fuel solenoid valve 3 are switched on
The lighting fixture connection diagrams are shown in Fig. 1 and 2
The electrical power system of automobiles consists of two sources: batteries and an alternating current generator set.
In addition, the system includes a number of intermediate relays, a battery mass switch and a key switch for instruments and starter
The system includes direction indicators, brake signals, a road train identification sign and equipment for switching them on
The vehicles are equipped with two sound signals: a pneumatic one mounted on the roof of the cab, and an electric one consisting of two signals: a low and a high tone.
The cars are equipped with a speedometer, instrument cluster, two-needle pressure indicator, blocks of control and warning lamps, indicators indicating to the driver an extreme condition in a particular system, a set of sensors, switches and switches.
The vehicles are equipped with a windshield wiper with three brushes for cleaning the windshields
The windshield wiper is switched on by switch 1 (Fig. 1), which has three positions:
The engine cooling system (Fig. 1) is liquid, closed type, with forced circulation of coolant
Repair of water pump YaMZ-2Z6NE, HE2, BE, BE2 of MAZ car
A typical malfunction of the water pump is water leakage through the impeller seal as a result of wear of the textolite ring
The design of the front axle central gearbox is shown in Fig. 1, wheel gears and kingpin device in Fig. 2, 3, constant velocity joint in Fig. 4
The wheel drive (Fig. 1) is a planetary gearbox consisting of spur gears with external and internal gearing
MAZ vehicle frame design and maintenance
The vehicle frame is riveted and consists of two longitudinal beams (spars) of a channel shape with a variable cross-section, made of 8 mm thick low-alloy strip steel 22G2TYu
