TM 55-4920-217--15
should be cleaned periodically and the contaminated
lubricant replaced with uncontaminated lubricant.
Caution:
Instruments
not
compensated for high altitude
26. Operation at High Altitudes
operation should be adjusted in
accordance
with
instructions
Overheating of equipment and deviation in
contained in the specific technical
instrument readings constitute the major problems of
manual
by
second
echelon
operating equipment at high altitudes. Intake ducts,
maintenance personnel.
filters, and water supply must be checked at frequent
intervals as a preventive measure for overheating.
12