TM 10-3930-659-20 12-1. STEERING SYSTEM LEAKAGE TEST (Con't). 4. Remove hose (1) and preformed packing (6) from steering cylinder (2).  Discard preformed packing. 5. Install new preformed packing (6) and plug (5) on hose (1). 6. Install preformed packing (3) and cap (4) on steering cylinder (2). 7. Repeat steps 4 through 6 for other steering cylinder (2). 8. Repeat  steps  1  and  2.    If  steering  wheel  revolutions  per  minute  count  is  within  specification,  crossover  relief valve is leaking or priority valve pressure setting is low. 9. Remove cap (4) and preformed packing (3) from steering cylinder (2).  Discard preformed packing. 10. Remove plug (5) and preformed packing (6) from hose (1).  Discard preformed packing. 11. Install new preformed packing (6) and hose (1) on steering cylinder (2). 12. Repeat steps 9 through 11 for other steering cylinder (2). NOTE • Perform  step  13  only  if  steering  wheel   revolutions   per   minute   count   was   within specification In step 8. • Perform steps 14 through 26 only if steering wheel revolutions per minute count was not within specification In step 8. 13. Perform crossover relief valve pressure test (see subparagraph b). TA707547 12-3