Press new needle bearings, worm shaft upper bearing outer race and new seals into the steering gear housing.
Assemble the steering gear housing cover, adjusting the clearance between the adjusting screw and the pitman shaft as follows. Loosen the adjusting screw until a clearance of 0-0.05 mm is obtained between it and the pitman shaft. Tighten the lock nut and check the clearance again.
Install the worm shaft assembly with bearing separators into the crankcase and press the outer ring of the thrust bearing until it stops. Measure the value "A" of the sinking of the outer ring of the thrust bearing relative to the plane of the crankcase (let's say it is 1.35 mm). Measure the thickness "B" of the thrust washer (pos. 10 in the figure), which, for example, is equal to 1.50 mm. Determine the thickness "C" of the installed adjusting linings using the formula B-A=X:
C = 1.50 - 1.35 = 0.15 mm.
Install the 7015 turning device on the worm shaft and, while turning the worm shaft, gradually tighten the lower crankcase cover mounting bolts to a torque of 2.2+0.2 kgf·m.
Measure the friction torque of the worm shaft and, if necessary, install thicker adjusting shims.
Insert the pitman arm shaft into the crankcase and gradually tighten the upper cover mounting bolts to the required torque (before assembly, apply a sealant such as Atmosit to the cover gaskets).
Fill the steering gear housing with oil and set the steering gear to the straight-ahead position, aligning the marks on the housing and the steering arm shaft.
Measure the friction torque of the pitman arm shaft. If it deviates from the norm, adjust the clearance between the adjusting screw and the pitman arm shaft by loosening the adjusting screw lock nut.
Check the dimensions "A" and "B" of the bipod (see picture), which should be 112.5±0.5 and 26 mm, respectively, and put the bipod in place according to the installation marks.
[Examine the original source using the link on the website BMWman.ru]