ACR&Artex C406-N - Manual (Page 42)

ACR ELECTRONICS, INC / ARTEX PRODUCTS
DESCRIPTION, OPERATION, INSTALLATION AND MAINTENANCE MANUAL
C406-N (453-5060), C406-N HM (453-5061)
25-62-13
Page 42 of 109
MAR 1/13
SUBTASK 25-62-13-000-001
B. Preparation
(1) Remove the ELT in accordance with SUBTASK 25-62-13-010-001 on page 53.
(2) Remove the battery pack in accordance with SUBTASK 25-62-13-050-001 on page 54.
SUBTASK 25-62-13-220-001
C. Coax Cable and Wiring Connections Inspection – Item 1
(1) Check remote switch harness connector for corrosion bent or broken pins and other damage.
(2) Check antenna coax cable BNC 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.
(3) Check aircraft navigation system interface wiring connections for damage and deterioration.
SUBTASK 25-62-13-220-002
D. ELT Mounting Tray and Hardware Inspection – Item 2
(1) Inspect mounting tray for cleanliness, cracks, and other damage.
(2) Check mounting tray hardware for corrosion and security.
SUBTASK 25-62-13-220-003
E. Battery Pack Inspection – Item 3
CAUTION: THE BATTERY PACK CONTAINS ELECTROSTATIC DISCHARGE SENSITIVE (ESD)
COMPONENTS AND, AS SUCH, IT MUST BE HANDLED WITH CARE. IF POSSIBLE, WEAR
A GROUNDED WRIST STRAP WHEN HANDLING THE BATTERY PACK DURING
INSPECTION AND MAINTENANCE ACTIVITIES. TAKE PARTICULAR CARE TO AVOID
TOUCHING THE EXPOSED CIRCUIT BOARD AND CONNECTOR PINS ON THE BOARD.
CAUTION: DO NOT USE CONTACT CLEANER ON ELT COMPONENTS. SUCH CHEMICAL AGENTS
CAN BE HIGHLY DESTRUCTIVE TO THE MOUNTING HARDWARE AND ELT HOUSING,
CAUSING CRACKING, FRACTURING AND OTHER DAMAGE.
(1) Check battery cells, components, and connectors for corrosion and other damage.
(2) Check wiring for breaks, damaged insulation, and improper or damaged connections.
(3) Check housing for cracks and other visual damage.
(4) Remove any corrosion residue from the underside of the ELT.
(5) Check the battery pack expiration date.
(6) Replace the battery pack if any of the following conditions are true:
(a) After use in an emergency;