User Manual

Table Of Contents
maintenance 523-0809018
4.2. MAINTENANCE SCHEDULE.
The TCAS function of the TSS-4100 does not require any periodic maintenance. However, the transponder function must have an
Air Trafc Control (ATC) transponder test and inspection according to FAR part 91 at a minimum of once every two years.
4.2.1. C
leaning and Painting.
NOTE
Observe all warnings and cautions listed in the advisories paragraph of this manual and the Collins Avionics Stan-
dard Shop Practices Manual.
This section presents the special instructions necessary for cleaning the trafc surveillance system equipment. For standard cleaning
instructions, the technician should follow the instructions outlined in the Collins Avionic s Standard Shop Practices Manual, Collins
Part Number (CPN) 523-0768039.
4.2.2. C
leaning Indicators.
There are no indicators coming from any part of the Trafc Surveillance System to indicate necessary cleaning.
4.2.3. C
leaning Antennas.
Do not paint the ant
enna surface. Do not attempt to touch u p the silk screening w ith paint.
Do not use cleaning solvents on the antennas.
NOTE
Refer to TRE-920 Service Information Letter 1-95, Radome Paint Peeling, for cleaning the TSA-4100 or TRE-930.
Methods of clean in
g antennas follow.
a. C lean the exposed antenna surface using a soft cloth moistened with s oap and water.
b. Rinse the surface with clean water and allow to air dry.
4.2.4. A
pproved Repairs.
No repairs should be a
ttempted on any component of the trafc surv eillance system while the equipment is installed in th e aircraft.
4-2