ARTEX PRODUCTS / ACR ELECTRONICS, INC
DESCRIPTION, OPERATION, INSTALLATION AND MAINTENANCE MANUAL
ELT 345 (P/N: A3-06-2880)
Page 25 of 58
25-62-35
TASK 25-62-35-750-802
2.
Inspection and Test Procedures
SUBTASK 25-62-35-990-001
A.
Checklist
1)
Table 5 provides a list of the ELT inspection and testing requirements, a copy of which may be used as a
checklist to verify inspection and test completion. The item numbers in the table correspond to the item
identifiers for each task.
NOTE:
Items 5a through 5h are mandatory requirements only in Canada, in addition to meeting the
other inspection and test requirements listed in Table 5.
ITEM NO.
DESCRIPTION
BY
1
Coax Cable and Wiring Connections Inspection
2
ELT Mounting Tray and Hardware Inspection
3
ELT Battery Pack Inspection
4
G-Switch Functional Check
5a
121.5 MHz Frequency Measurement
5b
Audio Modulation Check
5c
121.5 MHz Power Output Measurement
5d
406 MHz Frequency Measurement
5e
406 MHz Power Output Measurement
5f
Current Draw Test
5g
Digital Message Verification
5h
ELT Reset Check
6
Installed Transmitter Test
7
Antenna Test
8
Inspection and Test Documentation
Table 5 ELT Inspection & Checklist
SUBTASK 25-62-35-000-001
B.
Preparation
1)
Remove the ELT. See TASK 25-62-35-010-801 on page 34 for instructions.
2)
Remove the battery pack. See TASK 25-62-35-050-801 on page 35 for instructions.
SUBTASK 25-62-35-220-001
C.
Coax Cable and Wiring Connections Inspection – Item 1
1)
Check remote switch harness D-sub receptacle for corrosion, bent or broken pins and other damage.
2)
Check antenna coax cable connectors for corrosion, bent or broken center conductor, and other damage.
NOTE:
Pay special attention to the center conductor, which is prone to retracting into the connector
housing.