TM 10-3930-659-20 12-24.    STEERING VALVE REPLACEMENT. This task covers: a. Removal b. Installation Initial Setup: Equipment Conditions: Equipment Conditions (Con't): • Frame  locking bar installed (see TM  10-3930- • Secondary steering manifold removed (see para- 659-10). graph 12-22). • Cab skirts removed (see paragraph 14-6) Materials/Parts: NOTE All hoses should be tagged before removal. • One gasket Refer to paragraph 2-18 for tagging Instruc- Tools/Test Equipment: tions. • General mechanic's tool kit (Item 44, Appendix F) • Priority valve-to-steering valve hose and fittings removed (see paragraph 12-10). Personnel Required:  Two • Secondary steering manifold-to-steering References: valve hose and fittings removed (see paragraph 12-13). • Crossover relief valve-to-steering valve • TM 10-3930-659-10 hoses and fittings removed (see paragraph 12-12) a. REMOVAL 1. Loosen  screw  (1)  and  remove  steering  support from column (8). 2. Remove   three   screws   (10),   washers   (11),   a steering valve (9) from cab floor (13). 3. Remove  gasket  (5)  from  column  (8).    Discard gasket. 4. Remove  four  screws  (3),  washers  (4),  bracket (6)   four   spacers   (7),   and   column   (8)   from steering valve (9). 5. Remove three resilient mounts (12) from bracket (6). TA707598 12-61