Chassis - Articulation and Oscillation Pivot Section 100-0020 22. Remove and discard seal (15) from driveshaft (14). 5. Remove nut (19), thrust washer (16) and brake yoke (18) from driveshaft (14). The distance from the end of the bearing cone (8) to the end of the spline should be approximately 57 mm. 23. If bearing replacement is required, use a suitable puller or drift to remove rear bearing assembly cone (9) from driveshaft (14). 24. Reinstall nuts (19) on driveshaft (14) to protect the threads. 6. Install driveshaft (14) through the housing. 7. Using a suitable driver, install front bearing assembly cone (9) on driveshaft (14). Inspection 1.
Clean all parts with a suitable solvent and let dry. DO NOT spin bearings with compressed air. Place bearings on a clean surface, cover with a lint free cloth and allow to dry. 8. Using a suitable driver, install seals (15) into ends of housing, ensuring that they butt hard against abutment shoulders. 9. Install brake yoke (18) on rear of driveshaft (14) until it butts against bearing assembly cone (9). 2. Check bearing assemblies cups and cones (8 & 9) for wear or damage. Renew as necessary. 10. Install front yoke (17) on driveshaft (14) until it butts against bearing assembly cone (9). Note: If either bearing assembly cup or cone (8 or 9) need replacing, they must be replaced as a set. 11.
Install 'O' rings (29 & 51) to thrust washer (16) and install assembly on front of driveshaft (14). 3. Inspect splines of driveshaft (14) and yokes (17 & 18) for nicks, burrs or excessive wear. Replace if wear is excessive or splines are nicked. Burrs may be removed with a fine file or medium India stone. 12. Install front nut (19) temporarily on front of driveshaft (14). 13. Install 'O' rings (29 & 51) to thrust washer (16) and install assembly on rear of driveshaft (14). 4. Check yokes (17 & 18) for damage in region polished by oil seal lip; even slight damage in this area can cause leakage.
Very slight marks may be polished out with fine emery cloth but it is essential that polishing marks are parallel to the seal lip. 14. Install nut (19) and lockwasher (50) to rear threads of driveshaft (14). Prevent driveshaft (14) from turning by restraining brake yoke (18). 5. Replace all seals and 'O' rings with new parts. 15. Tighten nut (19) and bend at least one lockwasher (50) tab into nut (19). If required back off nut (19) until the first available tab lines up with a slot in the nut (19). Assembly and Installation 1. If removed, use a suitable driver and install retaining rings (31) into housing, ensuring that they butt hard against abutment shoulders. 16.
Tighten nut (19) at front of driveshaft (14) to a torque of 250 Nm (180 lbf ft) to seat bearing cup and cone assemblies (9 & 8). 2. Using a suitable driver, install front and rear bearing assembly cups (8) into housing, ensuring that they butt hard against abutment shoulders. 17. Chap driveshaft (14) at both ends with a hide-faced hammer. Re-torque nut (19) to 250 Nm (180 lbf ft). 18. Back off nut (19) four flats, and chap rear end of driveshaft (14) with a hide-faced hammer to remove pre-load from bearing cup and cone assemblies (9 & 8). 3. Lightly oil both bearing assembly cones (9) with SAE 80W - 90 E. P. gear oil (24). 4.
Using a suitable driver, install rear bearing assembly cone (9) on rear end of driveshaft (14). Temporarily install brake yoke (18), thrust washer (16) and nut (19) to driveshaft (14). Tighten nut (19) until the yoke (18) bottoms out on the driveshaft (14). 19. Remove nut (19) from front of driveshaft (14), install lockwasher (50) and reinstall nut (19). 20. Set up dial indicator with pointer positioned on end face of driveshaft (14). Push and pull on parking brake disc to move driveshaft (14) backwards and forwards, remembering to rotate shaft at the same time to obtain an accurate reading. Note dial indicator reading. SM 1373 Rev 2 8-03 3