TM 55-4920-213-15
unprotected surfaces. All lubricated surfaces
with fresh water. After drying, apply a solu-
should be cleaned periodically and the contami-
tion of 75 percent lubricating oil and 25 per-
nated lubricant.
cent corrosion preventive compound, Military
Specification MIL-C-6529, Type I, to all sur-
faces not protected by paint.
Caution: Do not allow this mixture to come
in contact with rubber materials or parts which
Overheating of equipment and deviation in
are exposed to direct flame.
instrument readings constitute the major prob-
lems of operating equipment at high altitudes.
Operating equipment, including hand tools,
Intake ducts, filters, and water supply must
may be more fully protected by application to
be checked at frequent intervals as a preven-
exterior surfaces of corrosion preventive com-
tive measure for overheating.
pound, Military Specification MIL-C-16173 A,
Grade 1.
Caution: Instruments not compensated for
high altitude operation should be adjusted in
25. Operation in Extreme Dust
accordance with instructions contained in spe-
Conditions
cific manuals by second echelon maintenance
Operation of the equipment under this con-
personnel.
nection necessitate the frequent inspection of
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