TM 55-2835-209-23
Section IV CLEANING PROCESS #4 (SOAP/WATER)
8-4 CLEANING PROCESS #4 (SOAP/WATER) (AVIM)
INITIAL SETUP
Tools:
Air Gun
Apron
Cleaning Tank
Gloves, Rubber
Hose Assembly
Insulated Mittens
Oven
Safety Glasses
Scrub Brush
Personnel Required:
68B Aircraft Powerplant Repairer
Materials/Parts:
Alkaline Cleaner (D1)
Equipment Conditions:
APU on Aircraft
General Safety Instructions:
Compressed air is dangerous
when directed toward yourself
or another person.
The air-
stream or material blown by
the airstream can cause inju-
ry, particularly to the eyes
and face.
Do not exceed 30
PSI.
Do not direct airstream
toward yourself or another
person.
Heated components can pose a
serious burn potential.
Wear
insulated mittens when handl-
ing heated components.
Alkaline cleaner is toxic to
eyes, skin and respiratory
tract.
Eye and skin pro-
tection are required. Avoid
repeated or prolonged contact.
1.
2.
3.
4.
Fill cleaning tank with tap water at 5.
Remove parts and rinse in running
room temperature.
tap water.
5.
Dissolve 4 to 6 ounces of alkaline
cleaner (D1) to each gallon of
6.
Dry parts thoroughly with clean,
water.
filtered compressed air.
Adjust thermostat on cleaning tank
7. Dry parts in oven at 160 to 250°F
to maintain 130 to 180°F (54 to
(71 to 121°C) for 1 hour.
82°C).
Immerse parts for 3 to 5 minutes.
8. Remove parts from oven.
Scrub surface with plastic fiber
brush.
FOLLOW-ON MAINTENANCE: None.
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