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9.10.2 Scanner unit
When checking a scanner unit for maintenance, make sure that the main power is
turned off and the safety switch attached to the scanner unit is se to OFF.
If the power is not turned off, there is a risk of equipments breaking down, and
dying or getting a serious injury of any person may occur by electric shock.
And if the rotating scanner unit is touched, there is a risk of equipments breaking
down, and dying or getting a serious injury of any person by electric shock.
Since the modulation section contains a magnetron with stored magnetism, do not
place a lock or a magnetic card close to the modulation section. Otherwise,
failures or data corruption may occur in such devices.
1. Radiation section
(a) Radiation side of the radiation section (JMA-5104: All sides of the radome cover)
If JMA5106/JMA-5110 (entire area of the radiation section) is contaminated or damaged
by smoke, dust, or paint, attenuation and reflection of waves occur, causing deterioration
of radar performance. Check the radiation area occasionally and keep it clean by wiping
with a soft cloth dipped with alcohol or moisturized cloth if it is dirty.
Do not use solvents such as thinner, gasoline, benzene, trichlene, and ketone.
These solvents cause discoloration or deterioration.
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