TM 55-1520-240-23-3
4-145
ENGINE COMPRESSOR WATER WASH PROCEDURE
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INITIAL SETUP
Applicable Configurations:
With 74
Tools:
Aircraft Mechanics Tool Kit, NSN 5180-00-323-4692
Stopwatch
Portable Cleaning and Preservation Unit LTCT
23980-01 (T-26)
Materials:
Methanol (E243)
Cloths (E135)
Personnel Required:
Medium Helicopter Repairer
Rotary-Wing Aviator (2)
Inspector
References:
Task 4-146
TM 55-1520-240-10
Vendor Manual for LTCT 23980-01
Equipment Condition:
Hydraulic Power On
Electrical Power On
Engine Work Platform Open (Task 2-2)
LTCT 23980-01 (T-26) Connected
GENERAL SAFETY INSTRUCTIONS:
Throughout cleaning operation,
ensure combustor drain valve is
operative and fluids are drained from
combustor prior to starting engine.
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