OPERATOR AR 2586535 - Caterpillar

10. Install Tool (D) in the pump housing with the square end down (end with taper will be up). Hold the racks against Tool (D) and remove each of the injection pumps (18) with Tool (B). For more details, see Remove Fuel Injection Pumps. 11. Remove bolt (19) that holds bracket (23) to the fuel injection pump housing. Remove bracket (23) and link (20).12. Put identification on the left rack (21) and right rack (22). Remove racks (21) and (22). 13. Remove spacers (24) and lifters (25) from the injection pump housing. Put identification on each of the spacers and lifters as to their location in the pump housing. 14. Remove camshaft (26) from the pump housing.
Be careful not to damage the camshaft bearings as the camshaft is removed.
15. Remove dowel (27), shaft (28) and dowel (29) with tool (C).16. Remove lower and upper bearings (30) that are supports for the pinion assembly.17. Remove bearing (31) and the lip type seal. Remove bearing (32) and the lip type seal. 18. Remove the rack bearings from locations (33).19. Remove the camshaft bearings with Tool (E).Assemble Fuel Injection Pump Housing
1. Put fixture assembly (3) (part of Tool (A)) on the pump housing with the dowel in fixture (3) engaged in the right rack bore. Install bolt (4).2. Put a new bearing (2) in position between fixture (3) and the rack bore with the tab of the bearing up. Install the bearing with driver (1) until the shoulder of the driver makes contact with the fixture.3. Turn the fixture and make alignment of the dowels on the fixture with the left rack bore. Install the right rack bearing according to the instructions in Step 2. 4. Install O-ring seal (5). 5. Install the camshaft front bearing (7) with Tool (B). Install the bearing until it is 1.02 0.51 mm (.04 .02 in) from front surface (6) of the pump housing. Install a camshaft bearings with the bearing joint in area "X". This will put the oil hole in area "Y". For more complete illustration of bearing installation make reference to Specifications. 6. Install center bearing (9) with Tool (B) until the rear edge of the bearing is 127.00 0.51 mm (5.00 .02 in) from rear surface (8) of the pump housing.7. Install rear bearing (10) with Tool (B) until it is 4.83 0.51 mm (.19 .02 in) from rear surface (8). 8. Install the lower and upper bearings for the pinion gear assembly with Tool (C). Install the upper bearing until it is even with the top of the bearing bore and the bottom bearing until it is even with the bottom of the bearing bore.9. Install shaft (11) in the pump housing until it is extended 16.76 0.51 mm (.66 .02 in) from the top of the pump housing. Install dowel (12) until it is extended 11.18 0.51 mm (.44 .02 in) from the top of the pump housing. Steps