Battery; Battery Pack Removal; Figure 13. Battery Pack Removal - ACR Electronics Cobham C406-1 Series Abbreviated Component Maintenance Manual

TASK 25-62-10-050-801

2. Battery

SUBTASK 25-62-10-050-001
A.

Battery Pack Removal

CAUTION: THE BATTERY PACK CONTAINS ELECTROSTATIC DISCHARGE SENSITIVE (ESD)
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: THE BATTERY PACK IS CONNECTED TO THE ELT VIA SHORT INTERCONNECT
HARNESSES, WHICH LIMIT THE DISTANCE THE TWO COMPONENTS CAN BE
SEPARATED UNTIL THE HARNESSES ARE DISCONNECTED.
(1) See "Figure 13. Battery Pack Removal".
(2) Turn the ELT upside down, such that the battery pack is bottom side up.
(3) Remove the four retaining screws.
(4) Lay the ELT on its side, while keeping the ELT and battery pack securely held together.
(5) Separate the battery pack from the ELT, taking care not to put strain on the short interconnect
harnesses.
(6) Disconnect the large harness from the 8-pin header on the small circuit board mounted in the
battery pack.
(7) Disconnect the battery pack 2-wire harness from the connector recessed in the ELT body.
COBHAM AVIONICS WULFSBERG ELECTRONICS
ABBREVIATED COMPONENT MAINTENANCE MANUAL
C406-1 (453-5002), C406-1HM (453-5003)
NOTE: Plug is
recessed in
ELT Assembly
RTV puddle
DISCONNECT
BATTERY PACK
SCREW (4 PLCS)

Figure 13. Battery Pack Removal

ELT ASSEMBLY
DISCONNECT
25-62-10
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APR 06/10