TM 55-2840-231-23
Table 1-8. Symptom Index (METS) - Continued
Troubleshooting
Procedure
High Temperature During Shutdown (Indicatd By Sudden and Considerable
Rise in TOT During N1 Deceleration)
Low Measured TOT at Normal or High Power
Low Power With High TOT
Low Power With TOT Below Maximum Limit
Main Rotor Does Not Rotate By 30% N1 Speed During Start
Engine Power Loss, N2 Droop or Flameout
OIL SYSTEM
Engine Oil Temperature Exceeds 225°F (107°C) But Remains Less Than
248°F (120°C) For a Period Not Exceeding Ten Minutes Without Any
Change in Normal Oil Pressure
Engine Oil Temperature Exceeds 225°F(107°C) But Remains Less Than
248°F (120°C) For a Period Not Exceeding 10 Minutes With a Change in
Normal Oil Pressure
Excessive Oil Pressure Fluctuation
High Oil Pressure
Low Oil Pressure
No Response to Oil pressure Adjustment
Oil Consumption Exceeds 0.05 Gallons (6.5 Ounces) Per Hour
Oil Leakage at Compressor Attachment Insert in the Gearbox Housing
(At Insert Adjacent to Compressor Oil Supply Fitting)
Oil Leakage During Shutdown Periods (Smoking on Shutdown)
Oil Leaking From Weep Holes at Ges Producer Fuel Control and/or Power
Turbine Fuel Governor
Oil Pressure Drops Off Severely
Oil Spewing From Diffuser Vent Orifice
Oil Temperature Exceeds 248°F(120°C) Momentarily on 225°F(107°C) For
a Period Exceeding 10 Minutes
Static Oil Leakage From Burner Drain Valve
Static Oil Leakage From Power and Accessory Gearbox Breather
48
26
24
25
54
58
18
19
15
17
16
21
22
50
49
52
14
23
20
43
51
1 - 6
8
Change 4
