XIII. To Remove Top Carriage.
1. Remove spring cylinder (see X) rocker and rocker arms (see XII).
2. Remove angle of site bracket, left, by removing three split pins and nuts from ⅜” bolts in angle of site bracket cover, left, taking off cover, removing nut and split pin from traversing handwheel shaft, removing handwheel and drawing shaft out to the left.
3. Remove two split pins and ¼” nuts from cross shaft pinion case (left) bolts, extract bolts, and remove case.
4. Remove cross shaft pinion case, right, as in XIII-3.
5. Remove split pins and two nuts from cross shafts, right and left.
6. Remove split pins and nuts from four ½” studs securing angle of site bracket, left, and remove bracket with attached parts as a unit.
7. Remove angle of site bracket, right, as in XII-5.
8. Draw out cross shafts, right and left, and remove cross shaft pinions, right and left.
9. Traverse top carriage to the right (by turning intermediate shaft gear by hand) sufficiently to allow traversing stop, rear to be removed. Extract split pin, remove nut, and take off traversing stop, rear.
10. Traverse top carriage to the left until traversing worm is disengaged from rack, remove split pins and nuts from four studs securing traversing worm shaft bearing to top carriage, and remove bearing and attached parts as a unit.
11. Lift out traversing worm with attached parts as a unit.
12. Turn top carriage to the right 90 degrees from zero azimuth, remove three screws that attach traversing rack to pintle bearing and remove traversing rack.
13. Turn top carriage to the right 90 degrees (180 degrees from zero azimuth), remove four screws that attach dust guard to pintle bearing and remove dust guard.
14. Remove two screws that secure clip to pintle bearing and take off clip.
15. Raise top carriage from pintle bearing.