ARTEX PRODUCTS / ACR ELECTRONICS, INC
DESCRIPTION, OPERATION, INSTALLATION AND MAINTENANCE MANUAL
C406-2 (453-5000), C406-2HM (453-5001)
570-5000 Rev. U
Company Confidential
25-62-11
Page 27 of 66
SUBTASK 25-62-11-220-001
C.
Coax Cables 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 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.
SUBTASK 25-62-11-220-002
D.
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.
3)
Replace or send the ELT for repair if any of the following conditions are true:
a.
Cracks on any of the casings.
b.
Missing or damaged O-ring
c.
Damaged connector housing, connector pins or antenna connections of ELT.
4)
Replace remote switch if any of the following conditions are true:
a.
Cracks on the casing.
b.
Illegible lettering on the face
c.
Damaged wiring and connections of remote switch.
SUBTASK 25-62-11-220-003
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;
b)
After an inadvertent activation of unknown duration;
c)
When the total of all known transmissions exceeds one hour; or
d)
On or before battery replacement (expiration) date.
SUBTASK 25-62-11-750-001
F.
G-Switch Functional Check
–
Item 4a
CAUTION:
A JUMPER AND 50-OHM LOAD IS REQUIRED TO PERFORM THIS CHECK. DUE TO
POTENTIAL OF PHYSICAL OR ELECTRONIC DAMAGE IF THE JUMPER OR 50-OHM
