TM 10-3930-659-20 12-10.    PRIORITY VALVE-TO-STEERING VALVE HOSE REPLACEMENT (Con't). 3. Remove hose (3) and preformed packing (7) from adapter (6) at steering valve (5).  Discard preformed packing. b. INSTALLATION 1. Install new preformed packing (7) and hose (3) on adapter (6). 2. Install two new preformed packings (4) and adapter (2) on priority valve (1). 3. Install hose (3) on adapter (2). FOLLOW-ON TASKS: • Install right transmission side guard (see paragraph 14-7). • Install cab skirts (see paragraph 14-6). • Remove frame locking bar (see TM 10-3930-659-10). TA707572 12-31