car MAZ
Adjusting the central gearbox
Adjust with the gearbox removed in the following sequence:
Springs are made of strip spring steel (T-profile) grade 60C2
Spring sheets are subjected to heat treatment (hardening, tempering) to the hardness NVZ6Z-444
The clutch of the YaMZ-238 model is double-disc, dry, friction type, with a peripheral arrangement of cylindrical springs
The design of the central gearbox of the front axle is shown in fig. 1, wheel gears and pivot device in fig. 2, 3, the hinge of equal angular velocities in fig. 4
Model 182 diaphragm clutch (Fig. 1) consists of driving and driven parts, as well as parts of the clutch release mechanism installed in the clutch housing
The central gearbox of the rear axle, after being removed from the car for repair, is disassembled on a workbench 500-600 mm high in the following sequence:
Thermal clearances in the valve mechanism are designed to ensure a tight fit of the valve on the seat when the valve drive parts expand during engine operation
