Shock absorber parts during inspection must meet the following requirements:
- disks of compression and recoil valves, as well as bypass valve plates must not be deformed;
- non-flatness of the bypass valve plate is allowed no more than 0.05 mm;
- the working surfaces of the piston, piston ring, rod guide bushing, cylinder and valve parts must be free of burrs and nicks that can disrupt the normal operation of the shock absorber;
- the springs of the recoil and compression valves must be intact and sufficiently elastic;
- compression valve discs must be intact and not have significant wear;
- replace the oil seal with a new one.