TM 55-1520-240-23-3
4-144
ENGINE COMPRESSOR CLEANING
4-144
INITIAL SETUP
Applicable Configurations:
With 74
Tools:
Aircraft Mechanics Tool Kit, NSN 5180-00-323-4692
Portable Cleaning and Preservation Unit LTCT
23980-01 (T-26)
Stopwatch
Materials:
Cloths (E135)
Gloves (E184.1)
Methanol (E243)
Dry Cleaning Solvent, Type II (E162)
Water Soluble Cleaner (E466 or E467)
Personnel Required:
Rotary-Wing Aviator (2)
Medium Helicopter Repairer
References:
Task 4-145
Task 4-146
TM 55-1520-240-10
Vendor Manual for LTCT 23980-01
Equipment Condition:
Electrical Power On
Hydraulic Power On
Engine Work Platform Open (Task 2-2)
General Safety Instructions:
Throughout cleaning operation,
ensure combustor drain valve is
operative and fluids are drained from
combustor before starting engine.
Puddling of flammable liquids can
cause a hot start.
4-476