SEAL 1698423 - Caterpillar

2. Remove O-ring seal (3) from three elbows (2) and adapter (1). 3. Remove two bolts (4) and the washers.4. Remove cover (5). 5. Remove O-ring seal (6) from cover (5).6. If necessary, remove roll pin (7). 7. Remove retainer (8). 8. Remove O-ring seal (9) from retainer (8).9. Remove screen assembly (10) from retainer (8). 10. Remove two plugs (11).11. Remove one plug (12). 12. Remove two bolts (14), the washers and the clip.13. Remove valve group (13). 14. Remove two O-ring seals (15). 15. Remove plug (16) and the O-ring seal from valve group (13). 16. Remove nut (17).17. Remove solenoid (18). 18. Remove cartridge assembly (19). 19. Remove three O-ring seals (20).20. Remove six back-up rings (21). 21. Remove two bolts and washers (22) and clip (23).22. Remove manifold (24). 23. Remove three O-ring seals (25) from manifold (24). 24. Remove two caps (26). 25. Remove two nipple assemblies (27). 26. Remove O-ring seal (28) from nipple assemblies (27). 27. Remove plug (29).28. Remove O-ring seal (30) from adapter (31).29. Remove adapter (31). 30. Remove O-ring seal (32) from plug (29). 31. Remove O-ring seal (33) from adapter (31). 32. Remove five bolts (34) and washers33. Remove clip (35).34. Remove cover (36). 35. Remove four O-ring seals (37).36. Remove spool (38). 37. Remove slug (39) from spool (38). 38. Remove spring (40). 39. Remove piston (41). 40. If necessary, remove roll pin (42) from piston (41). 41. Remove five bolts (43) and the washers.42. Remove cover (44). 43. Remove four O-ring seals (45). 44. Remove spool (46). 45. Remove slug (47) from spool (46). 46. Remove spring (48).47. Remove spring (49).48. Remove dowel (50). 49. Remove washer (52).50. Remove ball (51). The following steps are for the assembly of the traction aid control valve. Inspect all parts of the traction aid control valve prior to assembly for wear or damage. If necessary, replace any worn or damaged part with a new part. 51. Install ball (51).52. Install washer (52) so that ball (51) is seated to form a sealing surface. 53. Install spring (48).54. Install spring (49) and dowel (50). 55. Install slug (47) in spool (46). 56. Install spool (46). 57. Install four O-ring seals (45). 58. Put cover (44) in position, and install four bolts (43) and the washers. 59. Install roll pin (42) in piston (41). 60. Install piston (41). 61. Install spring (40). 62. Install slug (39) in spool (38). 63. Install spool (38).64. Install four O-ring seals (37). 65. Put cover (36) in position. Install five bolts (34), the washers and clip (35). 66. Install O-ring seal (33) on adapter (31). 67. Install O-ring seal (32) on plug (29). 68. Install plug (29).69. Install adapter (31).70. Install O-ring seal (30) in adapter (31). 71. Install O-ring seal (28) on both nipple assemblies (27). 72. Install two nipples (27). 73. Install two caps (26) on nipples (27). 74. Install three O-ring seals (25) in manifold (24). 75. Put manifold (24) in