In the crankcase 6 (figure 113) the steering gear is mounted on two bearings 14 and 27, helical gear 15, which is engaged with rack 20. The cylindrical part of the rack rests on plastic sleeve 9, and the toothed part is located between gear 15 and rack stop 16. The spring-loaded rack stop ensures rectilinear movement of the rack along the axis of the steering gear, its fixation in the lateral direction and pressing of the rack to the gear. Between the end of the stop and nut 18 there is a minimum gap of 0.12 mm, to compensate for thermal expansion of the parts and prevent jamming in the engagement.
Figure 113. Steering: 1 — outer tie rod end: 2 — lock nut; 3 inner tie rod end; 4 - protective cover; 5 — subframe cross member (steering gear support); 6 — steering gear housing; 7 — steering gear mounting clamp; 8 - staples; 9 — rack bushing; 10 — support washer; 11 — ball joint insert; 12 - protective cap; 13 — ball joint pin; 14 - roller bearing; 15 - drive gear; 16 — rack stop; 17 — stop sealing ring; 18 — stop nut, 19 — nut retaining ring; 20 — rack; 21 locknuts; 22 — ball joint; 23 — seal; 24 — boot clamp, 25 — thrust stop; 26 — stop spring; 27 - ball bearing; 28 - retaining ring; 29 - protective washer; 30 — sealing ring; 31 — bearing fastening nut; 32 — boot: 33 — intermediate propeller shaft; 34 — steering column shaft mounting bracket; 35 - Upper facing casing; 36 - steering wheel; 37 — steering column shaft; 38 — steering column shaft bearings; 39 — steering column pipe; 40 - lower facing casing; A, B — marks on the steering gear housing and on the boot.
Internal hinges of the rod ends are installed on the threaded ends of the rack. The internal hinge of the rod end consists of a ball joint 22 and a lock nut 21 screwed onto the threaded end of the rack, as well as a stop 25 of the rod with a spring and a ball head of the internal end 3 of the rod. The ball head is clamped between the spherical surface of the ball joint and the hemisphere of the metal-ceramic stop of the rod by means of a spring 26. The ball joint 22 is screwed onto the rack and fixed with a lock nut 21, which is locked both on the support and on the rack by pressing the belts into the grooves of the rack and the support. The outlet of the rods from the steering gear housing is sealed with two protective covers 4. On the threaded sections of the rods of the inner ends, outer ends 1 are screwed on, fixed with locknuts 2. In the cavity of the outer end there is a spring-loaded insert 11, which compresses the ball head of the pin 13. This joint is protected by a rubber cap 12.
The steering column shaft is composite and consists of the upper 37 and intermediate 33 cardan shafts. The upper shaft is tubular and is mounted in the bracket tube 34 on two ball bearings 38. The steering wheel 36 is mounted on its upper end on conical splines, and the intermediate shaft cardan joint fork is mounted on its lower end.