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UNUSUAL SERVICE CONDITIONS
This information is a general guideline and cannot cover all possible conditions of equipment use. The
specific local environments may be dependent upon conditions beyond the manufacturer's control.
The manufacturer should be consulted if any unusual conditions of use exist which may affect the
physical condition or operation of the equipment.
Among such conditions are:
1. Exposure to:
A. Combustible, explosive, abrasive or conducting dusts.
B. Environments where the accumulation of lint or excessive dirt will interfere with normal ventila-
tion.
C. Chemical fumes, flammable or explosive gases.
D. Nuclear radiation.
E. Steam, salt-laden air, or oil vapor.
F. Damp or very dry locations, radiant heat, vermin infestation, or atmospheres conducive to fun-
gus growth.
G. Abnormal shock, vibration or mechanical loading from external sources during equipment op-
eration.
H. Abnormal axial or side thrust imposed on rotating equipment shafts.
I. Low and/or high ambient temperatures.
J. High electromagnetic fields.
2. Operation at:
A. Voltages above or below rated voltage.
B. Speeds other than rated speed.
C. Frequency other than rated frequency.
D. Standstill with rotating equipment windings energized.
E. Unbalanced voltages.
F. Operation at loads greater than rated.
3. Operation where low acoustical noise levels are required.
4. Operation with:
A. Improper fuel, lubricants or coolant.
B. Parts or elements unauthorized by the manufacturer.
C. Unauthorized modifications.
5. Operation in poorly ventilated areas.
August 5/89 Revised
OM-2031
Unusual Service Conditions
Page 1
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