Specifications

5-2 888-2500-001 5/2/2013
WARNING: Disconnect primary power prior to servicing.
DAX-1/DAX-3
Section 5 Maintenance and Alignments
5.2.1.2 Maintenance Logbook
The maintenance logbook should contain a complete description of all maintenance
activities required to keep the transmitter operational. A list of maintenance information
to be recorded and analyzed to provide a database for a failure reporting system is as
follows:
DISCREPANCY
Describe the nature of the malfunction. Include all observable symptoms and
performance characteristics.
CORRECTIVE ACTION
Describe the repair procedure used to correct the malfunction.
DEFECTIVE PART(S)
List all parts and components replaced or repaired. Include the following details:
a. COMPONENT TIME IN USE
b. COMPONENT PART NUMBER
c. COMPONENT SCHEMATIC NUMBER
d. COMPONENT ASSEMBLY NUMBER
e. COMPONENT REFERENCE DESIGNATOR
SYSTEM ELAPSED TIME
Total transmitter time on.
NAME OF REPAIRMAN
Person who actually made the repair.
STATION ENGINEER
Indicates chief engineer noted and approved the transmitter repair.
5.2.2 Cleaning
Proper airflow is essential in keeping the transmitter in top working condition. If
outside air is brought into the building it should be well filtered to keep dirt out of the
building and the transmitter.
5.2.2.1 Cleaning the Air Filter
It is recommended to clean or replace the air filter once a year, or more often if required.