TM 10-3930-659-20 12-22.    SECONDARY STEERING MANIFOLD REPLACEMENT (Con’t).[ b. INSTALLATION 1. Install   two   new   preformed   packings   (3)   and adapter (4) on steering valve (1). 2. Install secondary steering manifold (2) on adapter (4). FOLLOW-ON TASKS: • Install secondary steering pump-to-secondary steering manifold hose and fittings (see paragraph 12-17). • Install secondary steering manifold-to-steering valve hose and fittings (see paragraph 12-13). • Install priority valve-to-secondary steering manifold hose and fittings (see paragraph 12-9). • Install secondary steering switch (see paragraph 6-31). • Install cab skirts (see paragraph 14-6). • Remove frame locking bar (see TM 10-3930-659-10). TA707595 12-58