Chassis - Articulation and Oscillation Pivot Section 100-0020 9. Remove bolts (7), washers (20), gasket (5) and cover plate (6) from side of oscillation hub to gain access to filler/level plug (25) on pivot assembly (1). Remove filler/level plug (25). Every 250 hours, oscillation bushes must be lubricated. Add Extreme Pressure Multipurpose grease (26) to oscillation bushing lube fittings (55) on top of oscillation hub. Lube until excess grease in seen. 10. Add SAE 80W - 90 E. P. gear oil (24) through filler/ level hole in pivot assembly (1) until the oil is level with the bottom of filler/level hole.
WARNING To prevent personal injury and property damage, be sure wheel blocks are properly secured and of adequate capacity to do the job safely. 11. Remove plug (25) from underside of oscillation hub to drain the cavity between the oscillation hub and pivot assembly (1) of any oil that entered while filling the driveshaft bearing housing. Every 250 hours, check the end float/clearance at the thrust face of the oscillation bushes. Any clearance found must be removed by adjustment of the thrust nut, as described in step 9 of 'Assembly' procedure. 12. Install plug (25) in filler/level hole on pivot assembly (1).
Install gasket (5) and cover plate (6) on side of oscillation hub, secure with bolts (7) and washers (20). Note: A practical method of establishing the effective adjustment of the thrust nut is to use movement of the machines body in the raised position. Move the body from fully raised to almost fully raised while watching the effect of this action on the frame and pivot arrangement. Any slackness between the thrust nut and thrust faces will be clearly visible movement of the frame. 13. Install plug (25) in cavity drain port on underside of oscillation hub. 14. Remove plugs (28) from articulation bearing grease ports and replace with lube fittings (27). Note:
Lube fittings (27) are stored on pad on side of pivot assembly (1). Every 1 000 hours (6 months), follow the procedure given below to check the oil level in the driveshaft bearing housing, and, lubricate the articulation and oscillation bearings. 15. Fill bearing housings with Extreme Pressure Lithium Complex No. 2 grease (23) through lube fittings (27) until excess grease starts to escape from seal housings (32 & 34). Note: It is essential that the grease used for articulation components is Extreme Pressure Lithium Complex No. 2 grease (23), as specified in Section 300-0020, LUBRICATION SYSTEM. 16. Remove lube fittings (27) and reinstall plugs (28).
Store grease fittings (27) on pad on side of pivot assembly (1). 1. Position the vehicle on a level work area and apply parking brake. 17. Add Extreme Pressure Multipurpose grease (26) to oscillation bushing lube fittings (55) on top of oscillation hub. Lube until excess grease in seen. 2. Raise body and install body safety prop to secure body in partially raised position. 18. Install parking brake disc protective guard (if fitted) and secure with bolts, washers and nuts. Tighten nuts to a torque of 73 Nm (54 lbf ft). 3. Shut down engine and block all wheels securely. 4.
Remove protective guard (if fitted) from beneath parking brake disc by removing nuts, washers and bolts securing guard to rear frame. 19. Start engine to charge hydraulic systems, raise body, lower body safety prop and lower the body. 20. Bleed the braking system as described in Section 165-0010, BRAKE PARTS. 5. Remove bolts (7), washers (20), gasket (5) and cover plate (6) from side of oscillation hub to gain access to filler/level plug (25) on pivot assembly (1). Remove filler/level plug (25). 21. Remove wheel blocks. MAINTENANCE 6. Add SAE 80W - 90 E. P. gear oil (24) through filler/ level hole in pivot assembly (1) until the oil is level with the bottom of filler/level hole.
Numbers in parentheses refer to Fig. 1. SM 1373 Rev 2 8-03 11