TM 55-2835-209-23
Section II CLEANING PROCESS #2 (VAPOR DEGREASE)
8-2 CLEANING PROCESS #2 (VAPOR DEGREASE) (AVIM)
INITIAL SETUP
Tools:
Air Gun
Apron
Gloves, Rubber
Hose Assembly
Insulated Mittens
Respirator
Safety Glasses
Personnel Required:
68B Aircraft Powerplant Repairer
Materials/Parts:
1,1,1-Trichloroethane (D41)
Equipment Conditions:
Off APU Maintenance
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.
1,1,1-Trichloroethane is toxic
to skin, eyes and respiratory
tract.
Skin and eye pro-
tection are required.
Avoid
repeated or prolonged contact.
Work in a well-ventilated
area.
1.
2.
3.
4.
8-2
Fill degreaser to proper level with
1,1,1-trichloroethane (D41).
Adjust thermostat on degreaser to
165 to 170°F (74 to 77°C).
Place parts in rack so that all sur-
faces will have direct contact with
vapor.
NOTE
Allow parts to remain in vapor
until all condensation ceases.
Position parts on free board area.
Using degreaser wand, spray remain-
ing residue from parts.
Change 1
Heated components can pose a
serious burn potential. Wear
insulated mittens when han-
dling heated components.
NOTE
Allow condensation to evapo-
rate before removing parts
from degreaser.
5.
Remove parts from degreaser.
6.
Remove any residue 1,1,1-
trichloroethane by drying parts
thoroughly with clean, filtered com-
pressed air.
FOLLOW-ON MAINTENANCE: None.
