ARTEX PRODUCTS / ACR ELECTRONICS, INC.
DESCRIPTION, OPERATION, INSTALLATION AND MAINTENANCE MANUAL
ARTEX ELT 4000S
Y1-03-0364 Rev E
Company Confidential
25-62-38
Page
45
of
54
Battery
A.
Preparation
The battery pack assembly for the ARTEX ELT
4000S consists of eight “D” size alkaline
batteries. These cells are enclosed in a separate battery assembly that is validated for a
hermetic seal at initial production under stringent test procedures to guard against water
intrusion (‘leak test’). Below are guidance procedural steps to support maintenance
operations for battery replacement and/or inspections.
1)
Remove the ELT from its mount.
2)
Remove the battery (see detailed instructions below).
3)
Check mid-body to battery pack connector for corrosion and any other damage.
4)
Check wiring for breaks, damaged insulation, and improper or damaged connections.
5)
Check housing for cracks and other visible damage.
6)
Check the battery pack expiration date.
7)
Replace the battery pack if any of the following conditions are true:
a)
After use in an emergency
b)
After an inadvertent activation of unknown duration
c)
When the total of all known transmissions exceeds one hour
d)
On or before battery replacement (expiration) date
B.
Battery Removal and Replacement
The battery is user (Owner, Pilot and Operator) replaceable in the field. The battery
contains a memory PCB that tracks the ELT elapsed on-time, activation count, Self-Test
count and GNSS Self-Test count. The battery replacement interval for the ELT 4000S is five
years.
CAUTION: THE BATTERY PACK CONTAINS ELECTROSTATIC DISCHARGE (ESD) SENSITIVE
COMPONENTS AND IT MUST BE HANDLED WITH CARE. IF POSSIBLE, WEAR A
GROUNDED WRIST STRAP WHEN HANDLING THE BATTERY PACK DURING
INSTALLATION ACTIVITIES. TAKE PARTICULAR CARE TO AVOID TOUCHING THE
EXPOSED CIRCUIT BOARD AND CONNECTOR PINS ON THE BOARD.
CAUTION: TAKE CARE NOT TO DAMAGE THE SHORT FLEX CABLE THAT CONNECTS THE
BATTERY PACK TO THE ELT ASSEMBLY.
1)
Pull the pin at the ELT 4000S bracket and open for access to the ELT.