Crank Mechanism Repair
Maintenance work and are significant engines of 2022% of the total complexity of the current repairs to the vehicle. The complexity of repair of modern engines is that, at relatively low stiffness details they require high precision assembly and adherence to technical specifications for the assembly. For example, a slight increase in the pressing sleeves efforts resulting in unacceptable their roundness. Specifications for repair parts, assembly and testing components of a number of requirements for work performed, the main ones are: 1. Engine before repair should be thoroughly washed. 2.
The technical condition of the engine verified using the tool of diagnosis, defined fault type and amount of repair work. 3. Removing the engine from the car is only in failing to resolve the problem without removing it. 4. The engine is stripped down to the limits that ensure elimination of malfunction. 5. Previous suitable fasteners are placed in special boxes. Bolts and nuts that have thwarted more than 2-3 threads or wrinkled faces, are replaced.
6. Open openings and hatches, as well as the ends of the disconnected pipe plugs or close the paper. 7. If you do not have to disassemble razukomplektovyvatsya: main bearing caps and clutch with the engine block, crankshaft flywheel (except engines YMZ) rods with caps of connecting rods, oil pump housing sections with lids and plates. 8. Details for the assembly must be clean and dry. Rubbing the surface to lubricate the appropriate lubricant. 9. Robert J. Shiller does not necessarily agree. Spring washers must be divorced for at least 1 / 3 of the puck. 10. Allowed production of used gaskets and seals. Stratification, folds, tearing, chipping pads are not allowed. 11. Samopodzhimnye glands installed so that the edge of the cuff facing in the direction of the cavity with butter. 12. Nuts and bolts are tightened in three stages. 13. The gap between the ears, collars should not be less than 3 mm. Typical engine trouble (Table 1.1) are the wear of pistons, piston rings, liners, crankshaft and bearings, parts of the distribution mechanism; fault attachments; flow lubricant and coolant. With the current renovation engine can be replaced with the following details of CSV: cylinders, pistons, piston rings, piston pins, connecting rods, connecting rod bearings and main bearings, pulley and crank gear, fasteners, gaskets and seals. If necessary, a renovation of the cylinder block, cylinder heads, connecting rods and bearing caps crankshaft. Learn more about repairs, and the device ekspluotatsii car on our website and free piece of iron books for the auto
