TM 10-3930-659-20 12-4. SECONDARY STEERING PUMP RELIEF VALVE PRESSURE TEST (Con't). 11. If  pressure  cannot  be  adjusted,  perform  secondary  steering  manifold  primary  check  valve  leakage  test  (see paragraph 12-20) and steering valve neutral leakage test (see paragraph 12-23). 12. Repeat steps 6 and 7. 13. If  pressure  reading  on  pressure  gage  (7)  is  not  within  specification,  replace  secondary  steering  pump  (see paragraph 12-5). 14. Remove pressure gage (7) and hose (8) from tee (4). 15. Remove hose (2) from tee (4). 16. Remove tee (4), two preformed packings, (3), and preformed packing (5) from secondary steering manifold (6). Discard preformed packings. 17. Install new preformed packinq (1) and hose (2) on secondary steering manifold (6). FOLLOW-ON TASKS: • Install cab skirts (see paragraph 14-6). • Remove frame locking bar (see TM 10-3930-659-10). TA707557 12-15