TM 10-3930-659-34 4-49. REAR AXLE REAR OSCILLATING SUPPORT ASSEMBLY REPLACEMENT. This Task Covers: a. Removal b. Installation Initial Setup: Equipment Conditions: Materials/Parts: • Rear axle assembly removed (see paragraph 4-48). • Lubricating oil (Item 41, Appendix B) • One preformed packing Tools/Test Equipment: • One seal • General mechanic's tool kit (Item 71, Appendix E) • Wrecking bar (Item 6, Appendix E) • Feeler gage (Item 28, Appendix E) • Arbor press (Item 47, Appendix E) a. REMOVAL 1. Pull rear oscillating support (2) away from rear axle assembly (8). NOTE Number of shims may vary.  Note number of shims to aid during installation. 2. Remove two thrust plates (6), shims (5), and washer (4) from pivot pin (1). 3. Remove preformed packing (7) and seal (9) from rear axle assembly (8).  Discard preformed packing and seal. 4. Using arbor press, press pivot pin (1) out of rear oscillating support (2). 4-180