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4-17. CLEANING INSTRUCTIONS.
TM 9-2330-272-14
WARNING
Improper cleaning methods and use of unauthorized cleaning liquids or solvents can
injure personnel and damage equipment. To prevent this, refer to TM 9-247 for further
instructions.
a. General. Cleaning instructions will be the same for a majority of parts and components which makeup
the semitrailer. The following should apply to all cleaning operations:
(1) Clean ail parts before inspection, after repair, and before assembly.
(2) Keep hands free of grease which can collect dust, dirt, and grit.
(3) After cleaning, all parts should be covered or wrapped to protect them from dust and dirt Parts that
are subject to rust should be lightly oiled.
b. Steam Cleaning.
(1) Before steam cleaning exterior of semitrailer, protect ail electrical equipment which could be
damaged by steam or moisture.
(2) Place disassembled parts in a suitable container to steam clean. Parts that are subject to rust
should be dried and lightly oiled after cleaning.
c. Castings, Forgings, and Machined Metal Parts.
WARNING
Dry cleaning solvent, P-D-680, is toxic and flammable. Always wear protective goggles
and gloves, and use only in a well-ventilated area. Avoid contact with skin, eyes, and
clothes, and DO NOT breathe vapors. DO NOT use near open flame or excessive heat.
The solvent’s flash point is 100°F-138°F (38°C-59°C). if you become dizzy while
using cleaning solvent, immediately get fresh air and medical help. if solvent contacts
eyes, immediately wash your eyes and get medical aid.
(1) Clean inner and outer surfaces with dry cleaning solvent (Item 16, Appendix E).
(2) Remove grease and accumulated deposits with a wire brush (Item 4, Appendix E).
WARNING
Compressed air used for cleaning or drying purposes, or for clearing restrictions,
should never exceed 30 psi (207 kPa). Wear protective clothing (goggies/shieid,
gloves, etc.) and use caution to avoid injury to personnel.
(3) Clear all threaded holes with compressed air to remove dirt and cleaning fluids.
CAUTION
Do not wash oil seals, electrical cables, and flexible hoses with dry cleaning solvent or
mineral spirits. Serious damage or destruction of material would result.
d. Oil Seals, Eiectrical Cables, and Flexible Hose. Wash electrical cables and flexible hose with a
solution of dishwashing compound (Item 7, Appendix E) and water and wipe dry.
e. Bearings. Clean bearings in accordance with TM 9-214.
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