TM 10-3930-659-20 12-17.    SECONDARY STEERING PUMP-TO-SECONDARY STEERING MANIFOLD HOSE REPLACEMENT. This task covers: a. Removal b. Installation INITIAL SETUP: Equipment Conditions: Materials/Parts: • Frame  locking bar installed (see TM  10-3930-   • Rags (Item 27, Appendix C) 659-10). • Four preformed packings • Left engine upper sideshield opened (see TM 10- 3930-659-10). References: • Cab skirts removed (see paragraph 14-6). • TM 10-3930-659-10 Tools/Test Equipment: • General mechanic's tool kit (Item 44, Appendix F). NOTE A suitable container should be used to catch any draining hydraulic fluid.  Ensure that all spills are properly cleaned. a. REMOVAL 1. Remove hose (3) from adapter (4). 2. Remove adapter (4) and two preformed packings (2) from secondary steering manifold (1).  Discard preformed packings. TA707586 12-47