TM 10-6640-215-13 Table 4-2.  Troubleshooting - continued MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION 25. LOW PRESSURE BOILER FAILS TO OPERATE (POWER AVAILABLE). Step 1.      Check water supply to the boiler. Water is available. Step 2.      Check output valve line up. Line up is correct. If boiler still fails to operate, notify direct support maintenance to replace low pressure boiler. 26. HIGH PRESSURE BOILER FAILS TO OPERATE (POWER AVAIL ABLE). Check system input/output valve line up. If valve line up is correct, notify direct support maintenance to replace boiler. 27. RVP BATH FAILS TO OPERATE (POWER AVAILABLE). Troubleshoot  RVP  bath  in  accordance  with  TM  10-6640-226-13&P.    If  problem  cannot  be  resolved,  replace  the RVP bath.  See paragraph 4-44. 28. MANOMETER FAILS TO OPERATE (NO PHYSICAL DAMAGE APPARENT). Replace the manometer.  See paragraph 4-44. 29. KINEMATIC VISCOSITY TEST BATH FAILS TO OPERATE (POWER AVAILABLE). Troubleshoot   bath   in   accordance   with   TM   10-6630-239-13&P.      If   problem   cannot   be   resolved,   replace   the kinematic viscosity test bath.  See paragraph 4-45. 30. CENTRIFUGE FAILS TO OPERATE (POWER AVAILABLE). Troubleshoot  centrifuge  in  accordance  with  TM  10-6640-230-13&P.    If  problem  cannot  be  resolved,  replace  the centrifuge.  See paragraph 4-46. 31. DISTILLATION TEST APPARATUS FAILS TO OPERATE (POWER AVAILABLE). Troubleshoot  failed  unit  in  accordance  with  TM  10-6630-233-13&P.    If  problem  cannot  be  resolved,  replace  the failed unit.  See paragraph 4-47. 4-18