Contents: Disassembly ↓ Assembly ↓
Before assembling the steering gear, check:
- absence of visible signs of wear, jamming, dents or scratches on the working surfaces of the roller and worm. Replace worn and damaged parts;
- the gap between the bushings and the pitman shaft. If it is greater than that specified in table 10, then replace the bushings;
- ease of rotation of the pitman shaft roller and worm bearings. The latter should rotate freely, without jamming, and there should be no visible wear or damage on the surface of the rings and balls;
- on the inner surface of the pitman arm shaft bushings there are spiral grooves that have an outlet on only one side of the bushing. When pressing in the bushings, arrange them so that their ends, which have the outlet of the grooves, are inside the crankcase hole, and the outlets of the grooves are located opposite each other. The ends of the bushings should be recessed into the crankcase hole by 1.5 mm. Lubricate new bushings with transmission oil before pressing in. After pressing into the crankcase, finally process the bushings with a reamer A.90336 to a size of 28.698-28.720 mm. The installation gap between the pitman arm shaft and the bushings should be within 0.008-0.051 mm;
- check the axial clearance between the head of the adjusting screw 2 (see fig. 184) and the groove of the bipod shaft 13; the gap should not exceed 0.05 mm. If it is larger, replace the adjusting plate 1 with a plate of greater thickness;
- check the condition of the fixing plates 5 (see fig. 185), if they are deformed, replace them.
Disassembly
Loosen the universal joint fork clamp bolt and disconnect the intermediate 3 (see fig. 185) and the upper shaft 4 of the steering control. If the upper shaft and its bearings are damaged, flare the punching points of the bracket pipe 6 and remove the shaft 4 together with the bearings 9 and bushings 8. If the shaft rotates in the bearings without jamming and no axial and radial free play is felt in the bearings, then disassembling the upper shaft is not recommended. If the shaft or its bearings are worn or damaged, replace them with new ones.
Assembly
Assemble in the reverse order of disassembly, then stake the bracket tube at two points on both sides to secure the shaft bearings.
