Y1-06-0297 Rev A
ARTEX PRODUCTS / ACR ELECTRONICS, INC
5757 Ravenswood Rd, Ft. Lauderdale, FL 33312
Cage Code: 18560
345 SERIES ELTs
INSTALLATION INSTRUCTIONS FOR ARTEX AIRCRAFT SUPPLIES, INC.
BATTERY PACK PART NUMBER 8322
The battery pack must be replaced on or before the expiration date shown on the
battery label.
CAUTION:
The battery pack and ELT Motherboard contains electrostatic discharge sensitive (ESD)
components and it must be handled with care. If at all possible, wear a grounded wrist strap when
handling the exposed circuit board and battery pack during installation activities.
Take particular care to avoid touching the exposed circuit board and connector pins on the board.
1.
Disconnect the antenna leads and remote control wire harness and remove from mount.
2.
Remove the four (4) screws holding the front of the ELT to the battery compartment.
3.
Carefully slide the front assembly out until the battery lead can be disconnected. After disconnect,
carefully pull the entire front face assembly out and set aside on an
antistatic
surface.
4.
Remove the top foam spacer from the battery compartment and discard.
5.
Remove the battery pack from the ELT by turning upside down to slide it out.
6.
Remove the battery lead from the old battery and set aside.
7.
Remove the old O-ring from the front assembly and discard. Apply L u b r i p l a t e n o .
1 2 0 0 - 2 silicone grease evenly on the new O-ring and insert it carefully into the O-ring
groove. Check the O-ring to ensure it is in the groove and not exposed to pinching, when the
front face is replaced after battery replacement.
DO NOT USE PETROLEUM BASED GREASE
.
8.
Install the new battery pack after the battery lead is connected. Carefully slide in the new foam
spacer on top, feeding the battery lead through the bigger hole.
9.
Carefully slide the circuit board down in the outermost of the two grooves of the battery
compartment until the battery lead can be connected to the front assembly. Note that there is no
pinching of the O-ring when properly seated.
10.
When the battery lead is connected, the ELT will emit three beeps.
11.
NOTE:
If, for some reason, the ELT activates when power is connected, reset by toggling the
ELT local control switch to ON and back to “ARM” after 1-2 second.
12.
Replace the four screws. Tighten screws per pattern in Detail A. Apply a
5 in-lb.
torque on
the screws.
13.
Affix the supplied expiration date label in the place of the expired one.
14.
Reinstall the ELT in its mount, secure it and connect the antenna leads and remote control
wire harness.
15.
Place the manual switch in the “ON” position and monitor the ELT’s operation with a
communication receiver tuned to 121.5 MHz. If the ELT can be heard, move the switch back to
the “OFF” or “ARMED” position. Verify that there is no 7-flash error code displayed on the
local LED; see applicable ELT Manual for details on testing ELT.
16.
Enter in the airframe logbook the date of the installation of the new battery pack and the next
replacement date. The sticker enclosed with battery pack can be used for this purpose.
17.
Do not discard the old battery pack in fire or flame. Dispose of the battery pack as per local
environmental regulations.
18.
Page 2 (back side) contains an expanded view of a 345 ELT assembly, showing the battery
pack and ELT assembly.
