TM 55-2840-254-23
4-38 CLEAN NO. 4 AND 5 BEARING PACKAGE (AVIM)
4-38
INITIAL SETUP
Applicable Configurations:
All
Tools:
Powerplant Mechanic’s Tool Kit,
NSN 5180-00-323-4944
Goggles
Compressed Air Source
Materials:
Dry Cleaning Solvent (E17)
Gloves (E20)
Lint-Free Cloth (E26)
Personnel Required:
68B10 Aircraft Powerplant Repairer
Equipment Condition:
Off Engine Task
General Safety Instructions:
WARNING
Dry cleaning solvent (E17) is flammable
and toxic. It can irritate skin and cause
burns. Use only in well-ventilated area,
away from heat and open flame. In case
of contact, immediately flush skin or
eyes with water for at least 15 minutes.
Get medical attention for eyes.
1. Wear gloves (E20). Clean forward seal retainer
(1) and aft seal retainer (2) with dry cleaning
solvent (El 7) and with brush.
WARNING
When using compressed air for cleaning,
use approved protective equipment for
eyes and face. Do not use more than
30 psig air pressure. Do not direct air
toward yourself or another person.
Failure to comply could result in in-
jury to eyes or skin. In case of injury,
get medical attention.
2. Wear goggles. Blow dry forward seal retainer (1)
and aft seal retainer (2), using clean, dry com-
pressed air.
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