ENGINE AR 3277195 - Caterpillar

Start By:a. separation of main frames 1. Remove spacer (2) from the top of the bottom bearing. Put floor jack (4) in position under the bottom bearing.2. Remove bolts (1) and lockwashers that hold the top and the bottom caps on the bearing. 3. Remove the top cap. Remove bearing (3). Remove bottom cap (5). Remove the lip seals from the caps. 4. Remove the collar from the front frame with Tooling (A). 5. Remove bearing (6) from the front frame with Tooling (B).6. Remove the two lip seals from the upper pin bore on the rear frame. 7. Remove the bearing from the upper pin bore on the rear frame with Tooling (C). The following sreps are for the installation of the pivot pin bearings. 8. Install the bearing in the upper pin bore of the rear frame with Tooling (D). Install the bearing to a depth of 12.7 0.5 mm (.50 .02 in) from each surface. 9. Put clean grease on the lip of the lip seals. Install the two lip seals in the upper pin bore of the rear frame with Tooling (E). Install the lip seals with the lips toward the outside surfaces. 10. Install the collar in the upper pin bore of the front frame with Tooling (F). 11. Lower the temperature of the bearing for the upper pin bore of the front frame to -57°C to -91°C (-70°F to -131°F).12. Install the bearing in the upper pin bore of the front frame with Tooling (G). 13. Install the seals in the upper and lower caps with Tooling (H). Install the seals with the lips toward the caps.14. Put clean grease on the lips of the seals on the upper and lower caps. 15. Put bearing (3) in position on bottom cap (5). Put bottom cap (5) and bearing (3) in position on floor jack (4).16. Install bearing (3) in the bottom pin bore of the front frame. 17. Put upper cap (6) in position over the bearing with no shims. Install four bolts (1) equally spaced around cap (6) and tighten diagonally opposite bolts to an equal amount. Repeat procedure until all bolts are tightened to 85 7 N m (65 5 lb ft). Check to see that the lower cap is flush with the frame.18. Measure the distance between cap (6) and the frame with feeler gauge (7) at each bolt location.19. Remove bolts (1) and upper cap (6). 20. Put the upper cap and a thickness of shims same as the minimum distance measured in Step 18 in position over the bottom pin bore. Install all lockwashers and bolts (1) and tighten evenly.21. Install spacer (2) on the bearing. Remove the floor jack.End By:a. connection of main frames