Symptom Tree t108-11
This is symptom tree t108-11
Cause | Correction |
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Makeup tank oil usage excessive |
Calculate actual fuel burn ratio by dividing fresh oil usage by fuel burned. Compare actual fuel burn percentage to published fuel burn percentage. |
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Rifle check valve stuck open |
Loosen rifle hose from rifle check valve to check that rifle pressure remains in rifle hose after key-off. Oil in rifle hose must be under pressure. |
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Outlet check valve struck open |
Remove the oil replenishment hose from the outlet check valve and check for oil leakage through the check valve. |
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Internal control valve failure |
Replace the control valve. Refer to the Master Repair Manual Centinel™, Bulletin 3666231. |
Last Modified: 22-Dec-2003