Telephonics Corporation
R
A D A R
S
Y S T E M S
D
I V I S I O N
4-2
TM113806 (3/10)
4.1.4 Radome
Inspect that the Radome for the following:
Q
Radome is grounded with no corrosion
Q
Lightning Arrestors are grounded and in proper condition
Q
Radome is not pitted and absorbing water
Q
Excessive layers of paint
Q
Metallic particles in paint
4.1.5 Waveguide
Inspect the waveguide for:
Q
Chaffing
Q
Kinks
Q
Dents
Q
Excessive bends
Q
Corrosion
4.1.6 Antenna
Array
Inspect the antenna array for
Q
Dents
Q
Distortion
Q
Corrosion
4.1.6.1 Foreign Material
Inspect the radar system for (clean if required):
Q
Excessive Dust, Sand, Dirt, etc.
Q
Fluids (Water, Hydraulic Fluid, etc.)
Q
Debris
4.2 PERIODIC
MAINTENANCE
4.2.1 MT-1508A
The dust filter within the MT-1508A (mounting tray for the IU-1507B) requires periodic cleaning. The
filter should be removed and cleaned.
It is recommended that the filter be cleaned every 500 hours (when maintenance is performed on the DA-
1203B) under normal conditions. If the aircraft is operating in a high dust environment, frequent cleaning
of the filter may be required.
The document reference is online, please check the correspondence between the online documentation and the printed version.
