b. Temporary storage. An engine that will not be operated
for over 14 days, but less than 45 days, must be placed in temporary
storage. Engines normally falling in this category are those
undergoing minor repair or modification, awaiting assignment or
disposition, being held in operational reserve, or any other
condition which requires idleness for a period not to exceed 45 days.
c. Extended storage. An engine that will be inactive for
more than 45 days, but not exceeding 180 days, must be preserved and
maintained in extended storage. Usually, this includes those engines
undergoing major repair or modification, those declared surplus and
awaiting final disposition, or any other circumstance that would
warrant idleness for 45 to 180 days.
Permanent storage is a depot level function.
ENGINE PRESERVATION GENERAL. All preservation procedures require
that any accumulation of dirt be removed from the engine with dry
cleaning solvent. Under usual conditions, it will not be necessary
to clean the entire external surface of the engine. If necessary,
perspiration residues can be removed from close tolerance bare metal
surfaces by wiping with a clean cloth dampened in fingerprint remover
before cleaning with solvent.
syntheticbase oils with mineralbase oils.
Syntheticbase lubricating oil is required for
the engine. Only a syntheticbase corrosion
preventive oil can be used to spray the
TURBINE ENGINE TROUBLESHOOTING
Engine malfunctions can be recognized and diagnosed by
comparing actual engine instrument reading with normal readings. To
aid maintenance personnel in engine troubleshooting, the engine
technical manual has troubleshooting charts to analyze, isolate, and
correct engine malfunctions. Proper utilization of the
troubleshooting charts will save time, provide a logical method of
isolating the causes of malfunctions, and eliminate the unnecessary
replacement of parts. Figure 3.11 explains how to use the