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6. MAINTENANCE OF THE ELT ADT 406² AF / AP
CAUTION: FOR MAINTENANCE PURPOSED, DURING SHIPPING OR TRANSPORT OF THE ELT
MAKE SURE THAT ELT TRANSMITTER FRONT PANEL TOGGLE SWITCH IS DULLY SET
IN ITS "OFF" POSITION AS INDICATED ON THE FRONT PANEL LABEL. THIS
VERIFICATION WILL AVOID FALSE ACTIVATION DURING TRANSPORT AND
MANIPULATION IF THE ELT REMAINS IN "ARMED".
A. Beacon self-test
The manufacturer recommends that a beacon self-test should be performed regularly. The highest rate is
one per week. Normally this task is added to other periodic maintenance task such a "A" check. In any
event the user must comply with the applicable regulations in the country concerned governing the self-test
period.
The self-test must only be performed when the order to do so is given or by the competent authorities.
A higher rate of self-test is possible but will reduce the standard 5 years battery servicing interval.
CAUTION : THE SELF-TEST PROCEDURE (PARAGRAPH 5.D.) MUST BE RESPECTED TO AVOID
UNTIMELY BEACON ACTIVATION.
B. Maintenance periodicity table
Periodicity
5 years
5 years
The two battery packs must be replaced:
–
After use of the ELT in an emergency condition,
–
After an inadvertent activation of unknown duration,
–
When the cumulative time of the internal battery counter exceed five (5) hours as indicated by the ELTA
test benches, For US application the cumulative time is limited to one (1) hour per FCC requirement.
–
On or before the proposed battery replacement date indicated on the label stuck on the bottom of the
ELT.
USER'S HANDBOOK
Operations
Replacement of batteries
General overhaul in specialized
workshop when required
Operator
ELTA or approved agent/airline
ELTA or approved agent/airline
Page 33
Oct 11/07
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