TM 55-2840-231-23
2-4. Compressor Cleaning to Restore Lost Performance - Continued
ENGINE/-Continued
5. Deleted
ENGINE/
6. Ignition System
Deactivate the ignition
system by disconnecting
power lead to ignition
exciter or pull the IGN
ENG circuit breaker.
(Refer to TM
55-1520-228-10).
Do not exceed 10% N1 motoring
speed during the cleaning and
rinsing cycles to prevent possible
blade damage and assure
adequate rinse/cleaning at the
base of the blades. Do not inject
a solid stream of fluid into the
compressor. Damage to
compressor could occur.
7. Compressor
2-12
Change 11
a. Spray cleaning
solution into compressor
inlet using a pressure
type sprayer equipped
with a quick opening
valve while motoring
engine without ignition.
Start injection 3 seconds
prior to starter
engagement and inject
solution at the rate of one
quart in 9 to 11 seconds
until 2 to 4 quarts (1.9-
3.81 ) have been utilized.