TM 1-6626-724-13&P 0015 00
0015 00-1/(0015 00-2 blank)
OPERATION UNDER UNUSUAL CONDITIONS
AVIATION VIBRATION ANALYZER
Index
Unusual Conditions........................................................................................................................................................... 1
Extreme Environmental Conditions .................................................................................................................................. 1
1. UNUSUAL CONDITIONS
a. Under adverse conditions (e.g., strong backlighting, high rotation speed, rain, or dense fog), the maximum
operating range for the optical sensor will be reduced to approximately 30 inches.
b. In wet conditions the 3M tapes on the rotors does not perform well. An overcoat of clear tape or 3M #38-70
(hex pattern tape) is recommended.
c. Extremes of Heat and Cold operating temperatures:
-40 to +131°F (-40° to +55° C) (external power)
-4 to +131°F (-20° to +55° C) (internal power)
d. Extreme conditions – (e.g., of snow, ice, rain, mud, dust, salt air, or similar conditions), do everything possible
to prevent foreign material from entering the AVA units.
2. EXTREME ENVIRONMENTAL MAINTENANCE
After operation in extreme conditions, thoroughly clean and dry the AVA and accessories.
END OF WORK PACKAGE
